D122GC75V400TF Ferraz Shawmut - Fuse

D122GC75V400TF Description

The D122GC75V400TF from Mersen is a DC high speed fuse with a 750 V / 400 A rating. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

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Summary of Features

Target Applications

Ferraz Shawmut D122GC75V400TF 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) D122GC75V400TF is a Protistor size 122 gR square body high speed fuse for DC protection, 400 A, 750 VDC (IEC), M10 threaded terminals (TTF), with striker (item number C090438). Source: Mersen Protistor size 122 gR 750 VDC datasheet (DS-PFSA12GD2-06-1224-EN).

Parameter	Value
Catalog number	D122GC75V400TF
Item number	C090438
Rated voltage	750 VDC (IEC 60269-4)
Rated current	400 A
Characteristic	gR, size 122
Terminals	M10 threaded terminals (TTF)
Breaking capacity	100 kA DC
Pre-arcing I²t	50.94 kA²s
Max. I²t at 900 V, L/R = 40 ms, Ip = 50 In	600 kA²s
Max. I²t at 900 V, L/R = 40 ms, Ip = 10 In	3100 kA²s
Power dissipation at In / 0.8 In	74.5 W / 40.5 W
Indication	Striker; microswitch options MC 3E, MCR 3E, MC2R 3E
Weight	1.43 kg

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