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 current-limiting backup and full-range transformer fuses, Bay-O-Net holders, dual-sensing fuse links and service accessories for distribution-transformer primary protection. Select by protection duty, voltage and current, fault level, mounting and service interface.
Choose the protection and service component, then compare the visible ratings, fuse-link or holder interface, dimensions, drawings and transformer application before preparing the RFQ.
XRNT5 current-limiting backup fuse family for oil-immersed transformer short-circuit protection, selected by rated voltage, current range, breaking duty, dimensions and mounting interface.
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Bay-O-Net fuse holder for oil-immersed distribution transformers, coordinated with the sensing link, backup fuse, voltage class, tank mounting and service-access arrangement.
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High voltage full-range transformer fuse family for coordinated overload and fault-current protection, selected by voltage, current, breaking capability, dimensions and installation interface.
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SMRS dual-sensing fuse link for transformer protection systems that respond to current and oil-temperature conditions within a coordinated Bay-O-Net arrangement.
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Drip guard accessory for Bay-O-Net fuse-holder installations, selected with the holder position, tank-side mounting arrangement and maintenance access.
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Isolation link for Bay-O-Net transformer fuse systems, coordinated with the holder, service position, replacement procedure and equipment interface.
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Review the visible technical data and product drawings below. Coordinate the protection duty, transformer rating, fuse or holder interface, mounting, clearances, service access and required documents before quotation.
On small screens, scroll the table horizontally.
| Type | Rated Current (A) | A (Inch/mm) | B (Inch/mm) | MA | φC | Breaking Current |
|---|---|---|---|---|---|---|
| XRNT5-15.5 | 20, 25, 31.5, 40 | 9.76 / 248 | 8.5 / 216 | M6 | φ53 | – – 50kA – |
| 50, 63, 80, 100, 125 | 14.0 / 356 | 12.76 / 324 | M6 | φ53 | ||
| 150, 175 | 15.94 / 405 | 14.69 / 373 | M6 | φ53 | ||
| 200, 250 | 19.45 / 494 | 18.19 / 462 | M10 | φ76 | ||
| XRNT5-25 | 315 | 23.62 / 600 | 22.32 / 1567 | M10 | φ76 | – 50kA – – |
| 20, 25, 31.5, 40 | 19.45 / 494 | 18.19 / 462 | M10 | φ76 | ||
| 50, 63, 80, 100, 125 | 13.0 / 356 | 12.76 / 324 | M6 | φ53 | ||
| 125, 150, 175, 200 | 23.62 / 600 | 22.32 / 1567 | M10 | φ76 | ||
| XRNT5-40.5 | 10, 20 | 22.68 / 576 | 21.38 / 543 | M10 | φ76 | – 31.5kA – |
| 31.5, 40, 50, 63 | 23.86 / 606 | 22.56 / 573 | M10 | φ76 | ||
| 80, 100, 125, 150, 165 | 27.36 / 695 | 25.79 / 655 | M10 | φ76 |
Review the visible technical data and product drawings below. Coordinate the protection duty, transformer rating, fuse or holder interface, mounting, clearances, service access and required documents before quotation.
On small screens, scroll the table horizontally.
| Feature | Description |
|---|---|
| Purpose | Over-current protection for oil transformers. |
| Protection Mechanism | Dual sensing (current + oil temperature) via fuse wire. |
| Compatible Fuse Types | Current sensing, dual sensing, dual element, ELSP current-limiting backup fuse. |
| Application | High-voltage power systems (50Hz AC). |
| Rated Voltage | 15.5kV (standard). |
| Current Rating | Up to 140A. |
| Required Combination | Must be paired with Magn X Interrupter (ELSP Backup Fuse) for full protection (overload + short circuit). |
| Key Benefits | Safe, highly efficient, responsive to current and oil temperature changes. |
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| 23 kV parameter | 23 kV value | 38 kV parameter | 38 kV value |
|---|---|---|---|
| Electrical Ratings | kV | Electrical Ratings | kV |
| BIL and Full Wave Crest | 150 | BIL and Full Wave Crest | 200 |
| 60Hz,AC,1minuter withstand | 50 | 60Hz,AC,1minuter withstand | 70 |
| Max Single-Phase Interrupting Ratings in Mineral Oil | kV | Max Single-Phase Interrupting Ratings | kV |
Review the visible technical data and product drawings below. Coordinate the protection duty, transformer rating, fuse or holder interface, mounting, clearances, service access and required documents before quotation.
On small screens, scroll the table horizontally.
| Model | Rated voltage (kV) | Maximum fuse rated current (A) | Available fuse current ratings (A) | Fuse diameter (mm) | Rated breaking current (kA) |
|---|---|---|---|---|---|
| XRNT | 15.5 | 125 | 20, 25, 31.5, 40, 50, 63, 80, 100, 125 | φ65 | 50 |
| XRNT | 15.5 | 250 | 160, 200, 250 | φ86 | 50 |
| XRNT | 24 | 80 | 20, 25, 31.5, 40, 50, 63, 80 | φ65 | 50 |
| XRNT | 24 | 160 | 100, 125, 160 | φ86 | 50 |
| XRNT | 40.5 | 63 | 20, 25, 31.5; 40, 50, 63 | φ65 | 31.5 |
| XRNT | 40.5 | 80 | 80 | φ76 | 31.5 |
| XRNT | 40.5 | 125 | 80, 100, 125, 160 | φ86 | 31.5 |
On small screens, scroll the table horizontally.
| Model | Fuse current rating (A) | A | B | C | D | E | F | G | H | I | J | K |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| XRNT-15.5 | 20–63 | 645 | 258 | 580 | 357 | 305 | 65 | 116 | 102 | 156 | 91 | 98 |
| XRNT-15.5 | 80–125 | 860 | 473 | 795 | 572 | 520 | 65 | 116 | 102 | 156 | 91 | 98 |
| XRNT-15.5 | 160–200 | 895 | 473 | 795 | 572 | 520 | 86 | 130 | 128 | 170 | 106 | 118 |
| XRNT-15.5 | 250 | 890 | 473 | 795 | 572 | 520 | 86 | 130 | 128 | 170 | 106 | 118 |
| XRNT-24 | 20–31.5 | 885 | 395 | 817 | 494 | 442 | 65 | 116 | 102 | 156 | 91 | 98 |
| XRNT-24 | 40–80 | 1120 | 630 | 1052 | 729 | 677 | 65 | 116 | 102 | 156 | 91 | 98 |
| XRNT-24 | 100–160 | 1300 | 630 | 1200 | 729 | 677 | 86 | 130 | 128 | 170 | 106 | 118 |
| XRNT-40.5 | 20–63 | 1265 | 630 | 1200 | 729 | 677 | 65 | 116 | 102 | 156 | 91 | 98 |
| XRNT-40.5 | 80–100 | 1300 | 630 | 1200 | 729 | 677 | 86 | 130 | 125 | 170 | 106 | 118 |
| XRNT-40.5 | 125–160 | 1400 | 730 | 1300 | 829 | 777 | 86 | 130 | 128 | 170 | 106 | 118 |
Review the visible technical data and product drawings below. Coordinate the protection duty, transformer rating, fuse or holder interface, mounting, clearances, service access and required documents before quotation.
On small screens, scroll the table horizontally.
| Parameter | Specification |
|---|---|
| Standard | IEC 60282-1, DIN 43625 |
| Rated Voltage | 12kV, 24kV (or 7.2kV, 15.5kV, 38kV) |
| Rated Current | 6A, 10A, 16A, 20A, 25A, 31.5A, 40A, 50A, 63A, 80A, 100A, 125A |
| Breaking Capacity | 50kA / 63kA (Symmetrical) |
| Sensing Type | Dual (Low current overload + High current short circuit) |
| Features | Striker pin, Current limiting, High interrupting rating |
| Application | Distribution transformer (Oil/ Dry), Pad-mounted transformer |
Review the visible technical data and product drawings below. Coordinate the protection duty, transformer rating, fuse or holder interface, mounting, clearances, service access and required documents before quotation.
On small screens, scroll the table horizontally.
| Description | Model |
|---|---|
| Bay-O-Net Fuse Holder Drip Tray (Drip Guard) | 1C10880H01 |
Review the visible technical data and product drawings below. Coordinate the protection duty, transformer rating, fuse or holder interface, mounting, clearances, service access and required documents before quotation.
Specify transformer fuse protection from transformer kVA, primary voltage, continuous load, inrush and overload profile, available fault current, installation type and the required protection coordination. Select the complete fuse-link, holder and service arrangement rather than current rating alone.
Confirm the transformer protection system—not just the fuse rating.
Coordinate the current-limiting backup fuse with the sensing link or other primary protective device, transformer short-circuit duty and available fault current.
Compare voltage, current range, breaking capability, time-current duty, dimensions and installation conditions for the full-range fuse family.
Review holder mounting, sensing-link replacement, isolation-link position, drip protection, clearances and transformer service access as one system.
Keep the selected fuse family, protection duty, drawings, quantity, inspection documents, marking, packing and destination together from technical confirmation through dispatch.
Confirm transformer duty, fuse family, holder or link interface, ratings, drawings and quantity.
Align the selected configuration, materials, marking, manufacturing route and required delivery window.
Manufacture or assemble the configuration and complete the specified inspection and test steps.
Prepare identification, protective packing, accessories and any order-specific packing instructions.
Compile the required drawings, test records, packing list and shipment documentation.
Confirm destination, logistics method, consignee details and planned dispatch timing.
Use these answers to compare protection roles, Bay-O-Net system components, interface checks and the inputs needed for a transformer fuse quotation.
Provide transformer kVA, primary voltage, frequency, installation type, required protection duty, continuous current or load profile, available fault-current information, existing fuse or holder references, mounting details, quantity and destination.
A current-limiting backup fuse is coordinated with another protective device for lower-current fault or overload conditions. A full-range fuse is selected to interrupt across its specified operating range. Confirm the complete protection scheme, transformer duty and installation interface rather than comparing current rating alone.
The holder provides the transformer-side service interface, the sensing link responds to the applicable overload or temperature condition, and the backup fuse addresses high fault current within the coordinated protection set. Match voltage class, link type, backup fuse and mounting arrangement together.
Check the selected fuse or link dimensions, holder and tank-wall interface, terminal or connection arrangement, clearances, service access, replacement path and any drip-guard or isolation-link position shown in the product drawings.
Fuse family, current range, holder or link interface, mounting, marking, documents, packing and delivery requirements can be reviewed for the transformer application. Include the existing system details and required protection coordination with the inquiry.
Share the transformer duty, protection arrangement and existing fuse or Bay-O-Net interface so SUVELL can review the configuration and quotation scope.
