BUSSMANN 125LET
The BUSSMANN 125LET is a high-speed fuse for use when protecting semiconductors or current-sensitive components against very high fault currents. It is classified as aR, which is a fuse category for semiconductor protection, making it ideal for professional power electronics equipment.
The fuse is rated for 125 A and is approved for 280 VAC as well as 150 VDC (UL). Its high breaking capacity means it can interrupt very powerful short-circuit currents, which is important in systems where large amounts of energy can occur in a very short time.
The construction features blade ends on both sides and offset bolted tags, allowing for secure mechanical mounting in suitable holders or connection points. It is also specified with M6 mounting studs and a center-to-center distance of 41.5 mm, which is relevant for fitting into existing assemblies.
It is typically used in semiconductor protection, DC common bus systems, DC drives, and in converters and rectifiers. This is the fuse you choose when current needs to be interrupted quickly and in a controlled manner in equipment with high power and sensitive components.
See datasheet from the manufacturer
Specifications
- Manufacturer: BUSSMANN
- MPN: 125LET
- Fuse type: high-speed fuse
- Utilization category: aR
- Rated current: 125 A
- Rated voltage: 280 VAC
- Rated voltage: 150 VDC (UL)
- Breaking capacity: 200 kA RMS symmetrical
- Breaking capacity: 50 kA DC at 150 VDC
- Connection: blade end × blade end
- Mounting: offset bolted tags
- Mounting stud: M6
- Center distance: 41.5 mm
- Typical applications: semiconductor protection, DC common bus, DC drives, power converters/rectifiers
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