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MERSEN US3J1 UL Class J Fuse Block - UL Class J Fuse Blocks
MERSENUL Class J Fuse Blocks

MERSEN US3J1 UL Class J Fuse Block

The MERSEN US3J1 is a 1-pole, finger-safe UL Class J fuse block rated for 600 V AC. It features DIN rail mounting and pressure plate termination, providing a secure, touch-safe connection for industrial power…

SKU 3G-OTH-22443

Brand
MERSEN
Item
US3J1 UL Class J Fuse Block
Part Number
US3J1
Category
UL Class J Fuse Blocks
Available to Order
Also known as:US3J1MERSEN
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Local office
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Phone
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Technical Specifications

MERSEN
Manufacturer Part Number
US3J1
Type
DIN Rail Mounting, Pressure Plate Termination
AC
600 V
Pole
1

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN US3J1 is a 1-pole, finger-safe UL Class J fuse block rated for 600 V AC. It features DIN rail mounting and pressure plate termination, providing a secure, touch-safe connection for industrial power distribution.

Frequently Asked Questions

What is the MERSEN US3J1 fuse block used for?

The MERSEN US3J1 is a finger-safe, 1-pole fuse block designed for UL Class J fuses in industrial control panels and power distribution systems. It protects circuits from overcurrent in applications such as motor control centers, lighting panels, and switchgear, ensuring operator safety with touch-safe construction.

What are the specifications of the MERSEN US3J1 fuse block?

The MERSEN US3J1 is a 1-pole, finger-safe fuse block rated for 600 V AC. It features DIN rail mounting and pressure plate termination. This UL Class J block accepts Class J fuses and is manufactured by MERSEN under MPN US3J1. It is suitable for industrial environments requiring compact, safe overcurrent protection.

Where to buy the MERSEN US3J1 fuse block worldwide?

3G Electric supplies the MERSEN US3J1 fuse block worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this MERSEN component to any country.

How to install the MERSEN US3J1 fuse block on a DIN rail?

To install the MERSEN US3J1, snap the fuse block onto a standard 35 mm DIN rail until it locks. Use pressure plate termination to secure wires by tightening the terminal screws to the torque specified by MERSEN. Always de-energize the circuit before installation and follow local electrical codes for safe operation.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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MERSEN Products

3G Electric supplies MERSEN ul class j fuse blocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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