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

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

SKU 3G-OTH-129369

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

MERSEN
Manufacturer Part Number
20307
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a MERSEN fuse block used for?

A MERSEN fuse block securely holds UL Class H and K fuses in industrial control panels, motor circuits, and distribution equipment. It provides a safe, reliable connection for overcurrent protection up to 250 V AC, ensuring compliance with electrical safety standards in manufacturing and process plants.

What are the specifications of the MERSEN 20307 fuse block?

The MERSEN 20307 is a 2-pole, open-block design fuse block rated for 250 V AC. It uses box lug terminals for secure wire connections and is non-indicating. This block accepts UL Class H and K fuses, making it suitable for general-purpose overcurrent protection in industrial electrical systems.

Where to buy MERSEN fuse blocks worldwide?

3G Electric supplies MERSEN fuse blocks like the 20307 to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote on this or any MERSEN electrical component.

How to install a MERSEN open-block fuse block?

Mount the MERSEN fuse block on a DIN rail or panel using the integral slots. Connect line and load wires to the box lug terminals, torquing to manufacturer specifications. Insert the correct UL Class H or K fuse into each pole. 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 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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