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PSR Bolted Blade Series – High-Speed Semiconductor Fuse, Square Body
The PSR Bolted Blade series is a POWR-SPEED® high-speed, square body fuse specifically designed for the protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically used in power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers, and soft-starters are examples of equipment designed with sensitive power semiconductor devices that cannot withstand any line surge or overcurrent conditions and require high-speed protection. The PSR series with bolted blades is designed and tested to IEC 60269-4.
Littelfuse POWR-SPEED® PSR series products offer optimized circuit protection at the extremely fast speed required to protect modern-day power conversion devices. This series is offered in bolted blade style termination (typical in the North American market) with visual blown fuse indication standard and an optional microswitch for external indication.
- Extremely current-limiting
- Low watt-loss design
- POWR-SPEED® technology
- Best-in-class dc performance
- Superior cycling capability
- Visual and optional microswitch fuse blown indication
- Compliance with US and Canadian requirements
- Fast-acting Class aR performance
- best in Class dc performance
- extremely current limiting
- superior cycling capability
- Visual and optional microswitch fuse blown indication
- Low watt-loss design
- Compliance with US and Canadian requirements
- Fast-acting Class aR performance
PSR Bolted Blade Parts
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PSR Bolted Blade Applications
- Power conversion devices (UPS, inverter, rectifiers, drives)
- Dc systems (dc common bus, dc injection braking)
- Battery protection application (energy storage systems)
- EV charging stations
- Heaters and power supplies
