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MERSEN Fuse Block: Open Block Design, 3 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, 3 Pole, 250 V AC, Box Lug

SKU 3G-OTH-129365

Brand
MERSEN
Item
Fuse Block: Open Block Design, 3 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
20358
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a MERSEN 20358 fuse block used for?

The MERSEN 20358 fuse block is used to safely hold and connect UL Class H and K fuses in industrial electrical circuits. It provides overcurrent protection in motor control centers, panelboards, and distribution equipment, ensuring reliable power management across machining, HVAC, and other plant systems.

What are the specifications of the MERSEN 20358 fuse block?

The MERSEN 20358 is a 3-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, making it suitable for general-purpose overcurrent protection in industrial electrical panels and machinery.

Where to buy a MERSEN 20358 fuse block worldwide?

3G Electric supplies the MERSEN 20358 fuse block worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other MERSEN electrical components.

How to install a MERSEN 20358 fuse block?

Mount the MERSEN 20358 fuse block on a clean, dry surface using the provided slots. Connect incoming and outgoing conductors to the box lug terminals, torquing to manufacturer specifications. Always de-energize the circuit before installation and follow NEC and local codes for fuse sizing and wiring.

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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