A70P400-4 Ferraz Shawmut - Fuse

A70P400-4 Description

The A70P400-4 is a fuse made by Ferraz Shawmut. Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.

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Summary of Features

Target Applications

Ferraz Shawmut A70P400-4 is used for protection of power semiconductors in AC and DC drives up to 700 V, UPS systems, inverters, reduced voltage motor starters and similar power electronic equipment.

Key Specifications

Mersen (Ferraz Shawmut) A70P400-4 is an Amp-Trap Form 101 A70P semiconductor protection (high speed) fuse, 400 A, 700 VAC / 650 VDC, blade, bolt-in mounting. Source: Mersen A70P Amp-Trap Form 101 semiconductor protection fuses datasheet (D 36-37).

Parameter	Value
Series	A70P Amp-Trap Form 101 semiconductor protection fuse
Rated current	400 A
Rated voltage	700 VAC / 650 VDC
Interrupting rating	100 kA AC / 100 kA DC (L/R 10 ms)
Mounting type	4: blade, bolt-in
Characteristics	Very fast acting, current limiting, low I²t, controlled arc voltage
Approvals	UL Recognized Component (file E60314, JFHR2) for AC; DC tested to UL 198L parameters
Overall length (A)	5.09 in (129 mm)
Body diameter / width (B)	2.00 in (50.8 mm)
Mounting hole centres (D)	4.16 in (106 mm)
Matching fuse block	P266A

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