D122GC75V315EF Ferraz Shawmut - Fuse

D122GC75V315EF Description

The D122GC75V315EF from Mersen is a DC high speed fuse with a 750 V / 315 A rating. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the D122GC75V315EF, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Ferraz Shawmut D122GC75V315EF 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) D122GC75V315EF is a Protistor size 122 gR square body high speed fuse for DC protection, 315 A, 750 VDC (IEC), blade contacts (EF), with striker (item number B087332). 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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