B087332 Ferraz Shawmut - Fuse

B087332 Description

The Mersen B087332 is a DC high speed fuse, rated for 750 V and 315 A. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

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Summary of Features

Target Applications

Ferraz Shawmut B087332 is used for DC protection of inverters, motor drives, UPS systems, railway traction power and auxiliary circuits and similar equipment of 750 VDC or less.

Key Specifications

Mersen (Ferraz Shawmut) B087332 is a Protistor size 122 gR square body high speed fuse for DC protection, 315 A, 750 VDC (IEC), blade contacts (EF), with striker (catalog number D122GC75V315EF). Source: Mersen Protistor size 122 gR 750 VDC datasheet (DS-PFSA12GD2-06-1224-EN).

Parameter	Value
Catalog number	D122GC75V315EF
Item number	B087332
Rated voltage	750 VDC (IEC 60269-4)
Rated current	315 A
Characteristic	gR, size 122
Terminals	blade contacts (EF)
Breaking capacity	100 kA DC
Pre-arcing I²t	30.06 kA²s
Max. I²t at 900 V, L/R = 40 ms, Ip = 50 In	400 kA²s
Max. I²t at 900 V, L/R = 40 ms, Ip = 10 In	2000 kA²s
Power dissipation at In / 0.8 In	58 W / 31.5 W
Indication	Striker; microswitch options MC 3E, MCR 3E, MC2R 3E
Weight	1.3 kg

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