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Series: PSR Flush End

PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body

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The PSR Flush End 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.

Littelfuse POWR-SPEED® PSR series products offer optimized circuit protection at the extremely fast speed required to protect modern-day power conversion devices. These products are commonly found in pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants, and various large factories and MRO facilities.

Extremely current-limiting
Global certification cURus, CCC*, IEC
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
Direct bus-bar mount design

Best in Class dc performance
Extremely current limiting
Superior cycling capability
Global certification cURus, CCC*
Direct bus-bar mount design
Visual and optional microswitch fuse blown indication
Low watt-loss design
Compliance with US and Canadian requirements
Fast-acting Class aR performance

PSR Flush End Parts

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Part Number	Actions	Current Rating (Continuous) in Amps	Interrupting Rating	Opening	Case Size	Amp Code (Part Number)	Agency Approvals
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	40	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	40	UR / CUR / CCC / CE
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	50	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	50	CCC / CE / UR / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	63	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	63	CCC / CE / CUR / UR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	80	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	80	CCC / UR / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	100	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	100	CCC / UR / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	125	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	125	CCC / UR / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	160	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	160	UR / CCC / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	200	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	200	UR / CCC / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	250	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	250	UR / CCC / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	315	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	315	UR / CCC / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	350	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	350	CCC / UR / CE / CUR
Series: PSR Flush End - PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body Series: PSR Flush End PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body	Datasheet Request Sample View More	400	200 kA @ 700 Vac	Very Fast-Acting (FF)	30	400	CCC / UR / CUR / CE