Description
The Eaton Bussmann 25LET is a high-speed British Standard fuse designed to provide semiconductor overcurrent protection in compatible electrical and power-conversion systems. Its compact body and offset bolted-tag terminals support installation in equipment designed for this fuse configuration.
Verified Product Specifications
| Specification | Details |
|---|---|
| Brand | Eaton Bussmann |
| Model | 25LET |
| Rated Current | 25A |
| Voltage Rating | 280V AC / 150V DC (Under UL Specifications) |
| Fuse Class | Class aR |
| Interrupting Rating | 200 kA RMS Symmetrical AC; 50 kA DC at 150V DC |
| Terminal Configuration | Offset Bolted Tags |
| Mounting | Stud Mounting, M6 |
| Dimensions | Approximately 55 × 18 × 18 mm |
| Standards | Designed and Tested to BS 88 Part 4 and IEC 60269-4 |
| Compliance | CE Marked and RoHS Compliant |
Key Features
High-Speed Semiconductor Protection
The Class aR design is intended for semiconductor protection applications where rapid fault interruption is required. It should be selected according to the protected equipment manufacturer’s requirements.
Offset Bolted-Tag Terminals
The bolted-tag configuration provides a secure mechanical connection in compatible fuse assemblies. Check terminal spacing, mounting hardware and equipment clearances before replacing an existing fuse.
High Interrupting Capacity
The published interrupting ratings support use in suitable circuits when the available fault current and operating voltage remain within the fuse’s limits.
Typical Applications
Depending on the equipment design, the Bussmann 25LET may be used for:
– Semiconductor protection
– DC common bus protection
– DC drives
– Power converters and rectifiers
– Compatible reduced-voltage starter assemblies
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