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MERSEN Fuse Block: Finger-Safe, 1 Pole, 800 V AC, DIN Rail Mounting - Midget Fuse Blocks
MERSENMidget Fuse Blocks

MERSEN Fuse Block: Finger-Safe, 1 Pole, 800 V AC, DIN Rail Mounting

SKU 3G-OTH-23045

Brand
MERSEN
Item
Fuse Block: Finger-Safe, 1 Pole, 800 V AC, DIN Rail Mounting
Category
Midget Fuse Blocks
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Technical Specifications

MERSEN
Manufacturer Part Number
USM1
Type
DIN Rail Mounting, Pressure Plate Termination
AC
800 V
Pole
1
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a MERSEN USM1 fuse block used for?

The MERSEN USM1 is a finger-safe, 1-pole midget fuse block rated for 800 V AC. It is used in industrial control panels, motor control centers, and distribution boards to safely hold and connect midget fuses, protecting circuits from overcurrent in machining, HVAC, and power transmission applications.

What are the specifications of the MERSEN USM1 fuse block?

The MERSEN USM1 is a 1-pole, finger-safe midget fuse block rated 800 V AC. It features DIN rail mounting and pressure plate termination for secure wire connections. The manufacturer part number is USM1. This block is designed for industrial environments requiring reliable overcurrent protection.

Where to buy a MERSEN USM1 fuse block worldwide?

3G Electric supplies the MERSEN USM1 fuse block to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this finger-safe, 800 V AC, DIN rail-mount fuse block.

How to install a MERSEN USM1 fuse block on a DIN rail?

To install the MERSEN USM1, snap it onto a standard 35 mm DIN rail until it locks. Use pressure plate termination to secure wires by tightening the terminal screws. Ensure the fuse is properly seated and the finger-safe cover is closed. Always de-energize the circuit before installation.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

3G Electric supplies MERSEN midget 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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