A50P60-4 Ferraz Shawmut - Fuse

A50P60-4 Description

Rated at 500 V and 60 A, the Mersen A50P60-4 is a high speed fuse. 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 A50P60-4 is used for protection of DC drives, uninterruptible power supplies (UPS) and other power electronic equipment of 500 V or less, including power semiconductor (diode, thyristor, IGBT) protection.

Key Specifications

Mersen (Ferraz Shawmut) A50P60-4 is an Amp-Trap Form 101 A50P high speed fuse, 60 A, 500 VAC / 450 VDC, blade, bolt-in mounting. Source: Mersen A50P Amp-Trap Form 101 datasheet (HS 14-15, 2025).

Parameter	Value
Series	A50P Amp-Trap Form 101 high speed fuse
Rated current	60 A
Rated voltage	500 VAC / 450 VDC
Interrupting rating	100 kA AC / 79 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 (JFHR2, file 60314): AC and DC
Overall length (A)	3.19 in (81.0 mm)
Body diameter / width (B)	0.81 in (20.6 mm)
Mounting hole centres (D)	63.5 mm
Matching fuse block	P243G

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