Mersen A4J50

50 A
Delivered between 28.2.2026 and 13.3.2026
free shipping

Nominal current5

Product details

Mersen Fuse Insert Class J A4J50

Manufacturer: Mersen
Designation: Fuse Insert Class J F A4J
Size: 27x60 mm
Voltage Type: AC
Rated Current: 50 A
Rated Voltage: 600 V
Operating Class: Other
Operating Frequency: 50..60 Hz
Tripping Characteristic: J

The fast-acting A4J fuses from Amp-Trap provide excellent current-limiting protection for a wide range of applications. Their unique dimensions prevent the replacement of other fuses with lower voltage ratings, interrupting capacities, or current-limiting capabilities.

Key specifications

Item number
33110418

General information

Manufacturer
Mersen
Category
Fuses
Manufacturer no.
A4J50
Release date
16.5.2023

Backup Features

Fuse type
Cylinder fuse
Tripping characteristic
Nimble
Nominal current
50 A
breaking capacity
50 A
Nominal voltage
600 V
voltage type
AC

Origin

Country of origin
Mexico

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Items per sales unit
1 pcs.

Product dimensions

Width
27 mm
Height
60 mm

30-day right of return if unopened
24 Months Warranty (Bring-in)

Compare products

Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Fuses» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Voltima
    0 %
  • 12.Hager
    0.1 %
  • 13.Mersen
    0.2 %
  • 14.Siemens
    0.5 %
  • 15.Fusibles Lac
    0.9 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Mersen
    Not enough data
  • Beha Amprobe
    Not enough data
  • Ective
    Not enough data
  • Fusibles Lac
    Not enough data
  • Goobay
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Fuses» category returned?

Source: Digitec Galaxus
  • 4.Goobay
    0.6 %
  • 5.Voltima
    0.8 %
  • 6.Mersen
    0.9 %
  • 7.Max Hauri
    1.7 %
  • 8.Schönenberger
    1.9 %
Source: Digitec Galaxus