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MERSEN 20357 Fuse Block, 2-Pole, 250 V AC, Open Block, Box Lug, Non-Indicating - Fuse Blocks for UL Class H & K Fuses
MERSENFuse Blocks for UL Class H & K Fuses

MERSEN 20357 Fuse Block, 2-Pole, 250 V AC, Open Block, Box Lug, Non-Indicating

MERSEN Fuse Blocks for UL Class H & K Fuses.

SKU 3G-OTH-129370

Brand
MERSEN
Item
20357 Fuse Block, 2-Pole, 250 V AC, Open Block, Box Lug, Non-Indicating
Part Number
20357
Category
Fuse Blocks for UL Class H & K Fuses
Available to Order
Also known as:20357MERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
20357

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

Product Description

MERSEN Fuse Blocks for UL Class H & K Fuses.

Frequently Asked Questions

What is the MERSEN 20357 fuse block used for?

The MERSEN 20357 fuse block is used to safely hold and connect UL Class H and K fuses in industrial electrical circuits. It is commonly applied in panel boards, motor control centers, and distribution equipment requiring 250 V AC protection. Its open block design allows easy fuse access and replacement.

What are the specifications of the MERSEN 20357 fuse block?

The MERSEN 20357 is a 2-pole, open block design fuse block rated for 250 V AC. It features box lug terminals and is non-indicating. This block accepts UL Class H and K fuses. The manufacturer part number is 20357, and it is supplied by MERSEN.

Where to buy the MERSEN 20357 fuse block worldwide?

You can source the MERSEN 20357 fuse block through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this MERSEN fuse block to your location.

How to install a MERSEN fuse block?

To install a MERSEN fuse block, first disconnect all power. Mount the block securely on a panel using the provided slots. Connect line and load wires to the box lug terminals, tightening to the manufacturer's torque spec. Insert the correct UL Class H or K fuse. Always follow local electrical codes and MERSEN guidelines.

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 fuse blocks for ul class h & k fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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