A100P400-4 Ferraz Shawmut - Fuse

A100P400-4 Description

A100P400-4 is a 1000 V, 400 A high speed fuse made by Mersen. 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 A100P400-4 is used for protection of UPS systems, AC and DC drives, reduced voltage motor starters and other power semiconductor equipment of 1000 V or less.

Key Specifications

Mersen (Ferraz Shawmut) A100P400-4 is an Amp-Trap Form 101 A100P high speed fuse, 400 A, 1000 VAC / 750 VDC, blade, bolt-in mounting. Source: Mersen A100P Amp-Trap Form 101 high speed fuses datasheet (HS 28-29).

Parameter	Value
Series	A100P Amp-Trap Form 101 high speed fuse
Rated current	400 A
Rated voltage	1000 VAC / 750 VDC
Interrupting rating	100 kA (DC L/R 25 ms)
Mounting type	4: blade, bolt-in
Characteristics	Fast acting, current limiting, low I²t, controlled arc voltage
Approvals	UL Recognized Component (file E60314), AC: guide JFHR2; DC: self-certified
Overall length (A)	5.72 in (145 mm)
Body diameter / width (B)	2.00 in (50.8 mm)
Mounting hole centres (D)	4.78 in (121 mm)
Matching fuse block	P266L

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