A50P20-1Ferraz Shawmut - Fuse

A50P20-1 Description

The Mersen A50P20-1 is a high speed fuse rated at 500 V and 20 A. Components of this type are commonly used in overcurrent protection of power semiconductors and power-electronic circuits.

USComponent supplies power semiconductors and industrial electronic components to engineers, OEMs and maintenance teams worldwide, including legacy and hard-to-find part numbers. Please confirm ratings, package and pin-out against the manufacturer's datasheet before ordering, and request a quote for current pricing and lead time on the A50P20-1.

Summary of Features

Target Applications

Ferraz Shawmut A50P20-1 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) A50P20-1 is an Amp-Trap Form 101 A50P high speed fuse, 20 A, 500 VAC, ferrule 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	20 A
Rated voltage	500 VAC
Interrupting rating	100 kA AC
Mounting type	1: ferrule
Characteristics	Very fast acting, current limiting, low I²t, controlled arc voltage
Approvals	UL Recognized Component (JFHR2, file 60314): AC
Overall length (A)	2.00 in (50.8 mm)
Body diameter / width (B)	0.56 in (14.2 mm)
Matching fuse block	70316

Download A50P20-1 Datasheet

A50P20-1 PDF Datasheet