Send the request type, manufacturer, equipment model/year, part reference, ratings, quantity, destination, required date, and any drawing or photo notes. The SUVELL team will review the request.
Compare oil-immersed transformer-mounted loadbreak switches by 15–25 kV or 35 kV application class, two- or four-position topology, phase arrangement, rated-current duty, tank-wall interface and operator orientation.
Application boundary: this page covers oil-immersed and transformer tank-mounted switches. For RMU or GIS cabinet switching, use Indoor SF6 Load Break Switches.
Select the voltage and position group, then open a model to compare its visible technical table, phase and operator arrangement, tank-wall interface and dimensional drawing.
Compare this single-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this single-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this single-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this single-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this single-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this single-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this three-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this single-phase two-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this transformer four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this transformer four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Compare this transformer four-position configuration by switching duty, tank-wall interface, operating arrangement, technical table and dimensional drawing.
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial number | Name | Unit | FYB-10/315-20 | FYB-(10-24)/630-25 |
|---|---|---|---|---|
| 1 | Rated voltage | kV | 10 | 24 |
| 2 | Power frequency withstand voltage — ground/interphase | kV | 65 | 65 |
| Isolating distance | kV | 79 | 79 | |
| 3 | Lightning impulse withstand voltage — ground/interphase | kV | 125 | 125 |
| Isolating distance | kV | 145 | 145 | |
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current | kA | 20/4S | 25/4S |
| 6 | Rated peak withstand current | kA | 50 | 63 |
| 7 | Main circuit resistance | μΩ | <200 | <200 |
| 8 | Mechanical life | Operations | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Rated Volatge(Phase-to-Phase) | 15/25kV |
|---|---|
| Withstand Voltage (50/60Hz) | 65kV/1min. |
| BlL and Full Wave Crest | 125kV |
| Rated Current | 630A |
| Short Time Withstand Current | 20kA/2s |
| Mechanical operation life | >3000 times |
| Main circuit resistance | <200μΩ |
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | FYB-10/315-20 | FYB-(10-24)/630-25 |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 10 | 24 |
| 2 | Powerfrequency withstandvoltage Ground, interphase | KV | 65 | |
| Isolating distance | KV | 79 | ||
| 3 | Lightningimpulse withstandvoltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Ratedcurrent | A | 315 | 630 |
| 5 | Ratedshort-circuitwithstandcurrent | KA | 20/4S | 25/4S |
| 6 | Ratedpeakwithstandcurrent | KA | 50 | 63 |
| 7 | Maincircuitresistance | μΩ | <200 | <200 |
| 8 | Mechanical endurance | Number of operations | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Rated Volatge(Phase-to-Phase) | 15/25kV |
|---|---|
| Withstand Voltage (50/60Hz) | 65kV/1min. |
| BlL and Full Wave Crest | 125kV |
| Rated Current | 630A |
| Short Time Withstand Current | 20kA/2s |
| Mechanical operation life | >3000 times |
| Main circuit resistance | <200μΩ |
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | FYB-10/315-20 | FYB-(10-24)/630-25 |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 10 | 24 |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 65 | |
| Isolating distance | KV | 79 | ||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current | KA | 20/4S | 25/4S |
| 6 | Rated peak withstand current | KA | 50 | 63 |
| 7 | Main circuit resistance | μΩ | <200 | <200 |
| 8 | Mechanical life | Number of times | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Rated Volatge(Phase-to-Phase) | 15/25kV |
|---|---|
| Withstand Voltage (50/60Hz) | 65kV/1min. |
| BlL and Full Wave Crest | 125kV |
| Rated Current | 630A |
| Short Time Withstand Current | 20kA/2s |
| Mechanical operation life | >3000 times |
| Main circuit resistance | <200μΩ |
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | FYB-10/315-20 | FYB-(10-24)/630-25 |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 10 | 24 |
| 2 | Powerfrequency withstandvoltage Ground, interphase | KV | 65 | |
| Isolating distance | KV | 79 | ||
| 3 | Lightningimpulse withstandvoltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Ratedcurrent | A | 315 | 630 |
| 5 | Ratedshort-circuitwithstandcurrent | KA | 20/4S | 25/4S |
| 6 | Ratedpeakwithstandcurrent | KA | 50 | 63 |
| 7 | Maincircuitresistance | μΩ | <200 | <200 |
| 8 | Mechanical endurance | Number of operations | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Rated Volatge(Phase-to-Phase) | 15/25kV |
|---|---|
| Withstand Voltage (50/60Hz) | 65kV/1min. |
| BlL and Full Wave Crest | 125kV |
| Rated Current | 630A |
| Short Time Withstand Current | 20kA/2s |
| Mechanical operation life | >3000 times |
| Main circuit resistance | <200μΩ |
On small screens, scroll the technical table horizontally.
| Name | Unit | FYB-10/315-20 | ||
|---|---|---|---|---|
| 1 | Rated voltage | KV | 10 | 24 |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 65 | |
| Isolating distance | KV | 79 | ||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current | KA | 20/4S | 25/4S |
| 6 | Rated peak withstand current | KA | 50 | 63 |
| 7 | Main circuit resistance | μΩ | <200 | <200 |
| 8 | Mechanical life | Number of times | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Rated Volatge(Phase-to-Phase) | 15/25kV |
|---|---|
| Withstand Voltage (50/60Hz) | 55kV/1min. |
| BlL and Full Wave Crest | 125kV |
| Rated Current | 630A |
| Short Time Withstand Current | 20kA/2s |
| Mechanical operation life | >2000 times |
| Main circuit resistance | <200μΩ |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Name | Unit | FYN33-12/630 | FYN33-40.5/630 |
|---|---|---|---|
| Rated voltage | kV | 12 | 40.5 |
| 1 min power-frequency withstand voltage — earth/interphase | kV | 42 | 95 |
| 1 min power-frequency withstand voltage — isolation clearance | kV | 48 | 118 |
| Lightning surge withstand voltage — earth/interphase | kV | 75 | 200 |
| Lightning surge withstand voltage — isolation clearance | kV | 85 | 215 |
| Rated current | A | 630 | 630 |
| Rated thermostable current / 2S, 4S | kA | 20/2S | 25/4S |
| Rated dynamic current | kA | 50 | 63 |
| Loop resistance | μΩ | >200 | >200 |
| Mechanical life | Times | >2000 | >2000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| No. | Parameter Name | Unit | FYN33-12/630 | FYN33-24/630 | FYN33-40.5/630 | |
|---|---|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | 24 | 40.5 | |
| 2 | Power Frequency Withstand Voltage Ground/Phase-to-Phase | kV | 42 | 65 | 95 | |
| Isolating Distance | kV | 48 | 79 | 118 | ||
| 3 | Lightning Impulse Withstand Voltage Ground/Phase-to-Phase | kV | 75 | 125 | 200 | |
| Isolating Distance | kV | 85 | 145 | 215 | ||
| 4 | Rated Current | A | – | – | 630 | |
| 5 | Rated Short-Time Withstand Current | kA/s | 20/2 | 25/4 | 31.5/4 | |
| 6 | Rated Peak Withstand Current | kA | 50 | 63 | 80 | |
| 7 | Main Circuit Resistance | μΩ | – | <200 | – | |
| 8 | Mechanical Life | Operations | – | >3000 | – |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | YZFN-20/315-R | YZFN-20/630-R |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 24 | |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 55 | – |
| Isolating distance | KV | 60 | – | |
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | – |
| Isolating distance | KV | 145 | – | |
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current (2S) | KA | 20 | 20 |
| 6 | Rated peak withstand current | KA | 50 | 50 |
| 7 | Main circuit resistance | μΩ | <320 <200 | <200 <200 |
| 8 | Operating torque | N.m | <50 <50 | |
| 9 | Mechanical life | Number of times | >2000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| No. | Parameter Name | Unit | FYN33-12/630 | FYN33-24/630 | FYN33-40.5/630 | |
|---|---|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | 24 | 40.5 | |
| 2 | Power Frequency Withstand Voltage Ground/Phase-to-Phase | kV | 42 | 65 | 95 | |
| Isolating Distance | kV | 48 | 79 | 118 | ||
| 3 | Lightning Impulse Withstand Voltage Ground/Phase-to-Phase | kV | 75 | 125 | 200 | |
| Isolating Distance | kV | 85 | 145 | 215 | ||
| 4 | Rated Current | A | – | – | 630 | |
| 5 | Rated Short-Time Withstand Current | kA/s | 20/2 | 25/4 | 31.5/4 | |
| 6 | Rated Peak Withstand Current | kA | 50 | 63 | 80 | |
| 7 | Main Circuit Resistance | μΩ | – | <200 | – | |
| 8 | Mechanical Life | Operations | – | >3000 | – |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| No. | Parameter Name | Unit | FYN33-12/630 | FYN33-24/630 | FYN33-40.5/630 | |
|---|---|---|---|---|---|---|
| 1 | Rated Voltage | kV | 12 | 24 | 40.5 | |
| 2 | Power Frequency Withstand Voltage Ground/Phase-to-Phase | kV | 42 | 65 | 95 | |
| Isolating Distance | kV | 48 | 79 | 118 | ||
| 3 | Lightning Impulse Withstand Voltage Ground/Phase-to-Phase | kV | 75 | 125 | 200 | |
| Isolating Distance | kV | 85 | 145 | 215 | ||
| 4 | Rated Current | A | – | – | 630 | |
| 5 | Rated Short-Time Withstand Current | kA/s | 20/2 | 25/4 | 31.5/4 | |
| 6 | Rated Peak Withstand Current | kA | 50 | 63 | 80 | |
| 7 | Main Circuit Resistance | μΩ | – | <200 | – | |
| 8 | Mechanical Life | Operations | – | >3000 | – |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | YZFN-20/315-R | YZFN-20/630-R |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 24 | |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 55 | |
| Isolating distance | KV | 60 | ||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current (2S) | KA | 20 | 20 |
| 6 | Rated peak withstand current | KA | 50 | 50 |
| 7 | Main circuit resistance | μΩ | <320 <200 | <200 <200 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Number | Name | Unit | YZFN-20/315-R | YZFN-20/630-R |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 24 | – |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 55 | |
| Isolating distance | KV | 60 | ||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current (2S) | KA | 20 | 20 |
| 6 | Rated peak withstand current | KA | 50 | 50 |
| 7 | Main circuit resistance | μΩ | <320 | <200 |
| 8 | Operating torque | N.m | <50 | |
| 9 | Mechanical life | Number of times | >2000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | YZFN-20/315-R | YZFN-20/630-R |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 24 | |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 55 | |
| Isolating distance | KV | 60 | ||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | |
| Isolating distance | KV | 145 | ||
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current (2S) | KA | 20 | 20 |
| 6 | Rated peak withstand current | KA | 50 | 50 |
| 7 | Main circuit resistance | μΩ | <320 <200 | <200 <200 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | YZFN-20/315-R | YZFN-20/630-R |
|---|---|---|---|---|
| 1 | Rated voltage | KV | 24 | |
| 2 | Power frequency withstand voltage Ground, interphase | KV | 55 | – |
| Isolating distance | KV | 60 | – | |
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 125 | – |
| Isolating distance | KV | 145 | – | |
| 4 | Rated current | A | 315 | 630 |
| 5 | Rated short-circuit withstand current (2S) | KA | 20 | 20 |
| 6 | Rated peak withstand current | KA | 50 | 50 |
| 7 | Main circuit resistance | μΩ | <320 <200 | <200 <200 |
| 8 | Operating torque | N.m | <50 <50 | |
| 9 | Mechanical life | Number of times | >2000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | BYFI-40.5/630-20 | BYFI-40.5/630-25 | BYFI-40.5/630-31.5 |
|---|---|---|---|---|---|
| 1 | Rated voltage | KV | 40.5 | ||
| 2 | Power frequency withstand voltage Ground, interphase | KV | 95 | ||
| Isolating distance | KV | 118 | |||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 200 | ||
| Isolating distance | KV | 215 | |||
| 4 | Rated current /4S/2S | A | 630 | ||
| 5 | Rated short-circuit withstand current /4S/2S | KA | 20/2S | 25/4S | 31.5/4S |
| 6 | Rated peak withstand current | KA | 50 | 63 | 80 |
| 7 | Main circuit resistance | μΩ | <200 | <200 | <200 |
| 8 | Mechanical life | Number of times | >3000 | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | BYFI-40.5/630-20 | BYFI-40.5/630-25 | BYFI-40.5/630-31.5 |
|---|---|---|---|---|---|
| 1 | Rated voltage | KV | 40.5 | ||
| 2 | Power frequency withstand voltage Ground, interphase | KV | 95 | ||
| Isolating distance | KV | 118 | |||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 200 | ||
| Isolating distance | KV | 215 | |||
| 4 | Rated current /4S/2S | A | 630 | 630 | 630 |
| 5 | Rated short-circuit withstand current /4S/2S | KA | 20/2S | 25/4S | 31.5/4S |
| 6 | Rated peak withstand current | KA | 50 | 63 | 80 |
| 7 | Main circuit resistance | μΩ | <200 | <200 | <200 |
| 8 | Mechanical life | Number of times | >3000 | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Rated Voltage(Phase-to-Phase) | 38kV |
|---|---|
| Withstand Voltage (50/60Hz) | 95kv/1min |
| BlL and Full Wave Crest | 200kv |
| Rated Current | 630A |
| Short Time Withstand Current | 25kA/4S |
| Mechanical operation life | >2000 times |
| Main circuit resistance | <200μΩ |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | BYFI-40.5/630-20 | BYFI-40.5/630-25 | BYFI-40.5/630-31.5 |
|---|---|---|---|---|---|
| 1 | Rated voltage | KV | 40.5 | ||
| 2 | Power frequency withstand voltage Ground, interphase | KV | 95 | ||
| Isolating distance | KV | 118 | |||
| 3 | Lightning impulse withstand voltage Ground, interphase | KV | 200 | ||
| Isolating distance | KV | 215 | |||
| 4 | Rated current /4S/2S | A | 630 | ||
| 5 | Rated short-circuit withstand current /4S/2S | KA | 20/2S | 25/4S | 31.5/4S |
| 6 | Rated peak withstand current | KA | 50 | 63 | 80 |
| 7 | Main circuit resistance | μΩ | <200 | <200 | <200 |
| 8 | Mechanical life | Number of times | >3000 | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Parameter | Unit | FYN33-12/630 | FYN33-24/630 | FYN33-40.5/630 | |
|---|---|---|---|---|---|
| 1 | Rated voltage | kV | 12 | 24 | 40.5 |
| 2 | Power frequency withstand voltage | ||||
| – Ground, interphase | kV | 42 | 65 | 95 | |
| – Isolating distance | kV | 48 | 79 | 118 | |
| 3 | Lightning impulse withstand voltage | ||||
| – Ground, interphase | kV | 75 | 125 | 200 | |
| – Isolating distance | kV | 85 | 145 | 215 | |
| 4 | Rated current | A | 630 | 630 | 630 |
| 5 | Rated short-circuit withstand current | kA | 20/2s | 25/4s | 31.5/4s |
| 6 | Rated peak withstand current | kA | 50 | 63 | 80 |
| 7 | Main circuit resistance | μΩ | <200 | <200 | <200 |
| 8 | Mechanical life | Times | >3000 | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | FYN33-12/630 | FYN33-24/630 | FYN33-40.5/630 | |
|---|---|---|---|---|---|---|
| 1 | Rated voltage | kV | 12 | 24 | 40.5 | |
| 2 | Power frequency withstand voltage | Ground, interphase | kV | 42 | 65 | 95 |
| Isolating distance | kV | 48 | 79 | 118 | ||
| 3 | Lightning impulse withstand voltage | Ground, interphase | kV | 75 | 125 | 200 |
| Isolating distance | kV | 85 | 145 | 215 | ||
| 4 | Rated current | A | 630 | 630 | 630 | |
| 5 | Rated short-circuit withstand current | kA | 20/2s | 25/4s | 31.5/4s | |
| 6 | Rated peak withstand current | kA | 50 | 63 | 80 | |
| 7 | Main circuit resistance | μΩ | <200 | <200 | <200 | |
| 8 | Mechanical life | Number of times | >3000 | >3000 | >3000 |
Review the visible technical data and dimensional drawing, then coordinate the switching diagram, current duty, phase arrangement, transformer tank interface, operator access, inspection documents and delivery scope.
On small screens, scroll the technical table horizontally.
| Serial Number | Name | Unit | FYN33-12/630 | FYN33-24/630 | FYN33-40.5/630 | |
|---|---|---|---|---|---|---|
| 1 | Rated voltage | kV | 12 | 24 | 40.5 | |
| 2 | Power frequency withstand voltage | Ground, interphase | kV | 42 | 65 | 95 |
| Isolating distance | kV | 48 | 79 | 118 | ||
| 3 | Lightning impulse withstand voltage | Ground, interphase | kV | 75 | 125 | 200 |
| Isolating distance | kV | 85 | 145 | 215 | ||
| 4 | Rated current | A | 630 | 630 | 630 | |
| 5 | Rated short-circuit withstand current | kA | 20/2s | 25/4s | 31.5/4s | |
| 6 | Rated peak withstand current | kA | 50 | 63 | 80 | |
| 7 | Main circuit resistance | μΩ | <200 | <200 | <200 | |
| 8 | Mechanical life | Number of times | >3000 | >3000 | >3000 |
Coordinate the selected model or voltage-position family with the transformer switching diagram, voltage and current duty, phase arrangement, tank-wall geometry, operating access, insulation liquid, dimensional drawing, inspection scope and delivery requirements before quotation.
Provide the system and switch voltage class, rated current, two- or four-position circuit diagram, phase arrangement, required switching duty and applicable project specification.
Provide the tank opening or flange, wall details, sealing arrangement, shaft or handle orientation, operating side, internal and external clearances, insulation liquid and transformer layout.
Include the selected model, dimensional drawing, nameplate and marking data, photos, quantity, destination, inspection and document requirements, packing and requested delivery timing.
Keep the selected configuration, tank interface, drawing, inspection expectations and delivery conditions in one engineering and commercial package.
Match the selected two- or four-position model to the voltage class, current duty, phase arrangement, switching diagram, tank-wall mounting and operator access.
Define drawing revision, nameplate and marking, inspection steps, traceability, test records, certificates and acceptance documents for the order.
Provide quantity, destination, protective packing, handling constraints, consignee details and requested dispatch schedule.
Coordinate product identification, inspection steps, order documents, protective packing, quantity, destination and delivery timing for the selected transformer-mounted loadbreak switch configuration.
Use these answers to compare position arrangements, distinguish transformer-mounted switches from indoor SF6 equipment and prepare the electrical, mechanical and order inputs for selection.
Provide the transformer application, system and switch voltage class, rated-current duty, required two- or four-position arrangement, phase configuration, tank-wall interface, operator location, insulation liquid, drawings or photos, quantity and destination.
A two-position switch provides two defined operating states, while a four-position switch provides four selectable circuit positions. Select the arrangement from the required transformer switching diagram, phase layout, blade configuration, interlocking and operator interface.
No. This page covers oil-immersed or tank-mounted transformer switching components. Indoor SF6 load break switches used in RMU or GIS cabinets have a different installation environment, insulation system and equipment interface.
Model-specific phase arrangement, position diagram, operator orientation, shaft or handle, tank-wall mounting, marking, inspection documents and packing can be coordinated against the transformer design and selected switch drawing.
Include the selected model or voltage-position family, switching diagram, current duty, phase arrangement, tank opening and wall details, operating clearances, drawings or photos, marking, inspection and documentation requirements, quantity, destination and delivery timing.
Share the switching duty, position diagram, phase arrangement and transformer tank interface so SUVELL can coordinate the model, drawing and quotation scope.
