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MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug - Fuse Blocks for UL Class RK1 & RK5 Fuses
MERSENFuse Blocks for UL Class RK1 & RK5 Fuses

MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug

SKU 3G-OTH-25809

Brand
MERSEN
Item
Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug
Category
Fuse Blocks for UL Class RK1 & RK5 Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
21037R
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the MERSEN 21037R fuse block used for?

The MERSEN 21037R fuse block is used to safely mount and connect UL Class RK1 and RK5 fuses in industrial electrical circuits. It is commonly applied in motor control centers, panel boards, and distribution equipment requiring 250 V AC protection. The open block design allows easy fuse access and replacement.

What are the specifications of the MERSEN 21037R fuse block?

The MERSEN 21037R is a 2-pole, 250 V AC fuse block with an open block design and box lug terminals. It is non-indicating and accepts UL Class RK1 and RK5 fuses. The manufacturer part number is 21037R. This block is suitable for industrial overcurrent protection applications.

Where to buy the MERSEN 21037R fuse block worldwide?

You can source the MERSEN 21037R 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 supply genuine MERSEN components for industrial electrical systems.

How to install the MERSEN 21037R fuse block?

Mount the MERSEN 21037R fuse block on a flat surface using the provided slots. Connect incoming and outgoing conductors to the box lug terminals, tightening to the manufacturer's torque specification. Insert the correct Class RK1 or RK5 fuse into the clips. Always de-energize the circuit before installation and follow local electrical codes.

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 fuse blocks for ul class rk1 & rk5 fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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