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

MERSEN Fuse Blocks for UL Class RK1 & RK5 Fuses.

SKU 3G-OTH-25937

Also listed as: 22003 R · 22003-R

Brand
MERSEN
Item
Fuse Block: Open Block Design, 3 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
22003R

Technical Documents

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

Product Description

MERSEN Fuse Blocks for UL Class RK1 & RK5 Fuses.

Frequently Asked Questions

What is the MERSEN 22003R fuse block used for?

The MERSEN 22003R 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. Its open block design and box lug terminals simplify wiring and fuse replacement.

What are the specifications of the MERSEN 22003R fuse block?

The MERSEN 22003R is a 3-pole, open block design fuse block rated for 250 V AC. It accepts UL Class RK1 and RK5 fuses and features box lug terminals for secure wire connections. The unit is non-indicating, meaning it does not include a blown-fuse indicator. The manufacturer part number is 22003R.

Where to buy the MERSEN 22003R fuse block worldwide?

You can source the MERSEN 22003R 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 to industrial buyers internationally.

How to install the MERSEN 22003R fuse block?

Mount the MERSEN 22003R fuse block on a flat surface using the provided slots. Connect incoming and outgoing wires to the box lug terminals, tightening to the manufacturer’s recommended torque. Insert UL Class RK1 or RK5 fuses 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20608R)
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MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20608R)
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20657R)
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MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20657R)
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 22001R)
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MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 22001R)
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21038R)
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MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21038R)
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21036R)
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MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21036R)
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20656R)
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MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20656R)

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This 3-pole fuse block features an open block design and box lug terminals. Rated for 600 V AC, it accepts UL Class RK1 and RK5 fuses. Suitable for mounting in electrical panels, motor control centers, and distribution boards for overcurrent protection
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Open block design fuse block for UL Class RK1 and RK5 fuses. Three-pole configuration rated for 600 V AC. Features box lug terminals for secure wiring. Non-indicating type without blown-fuse indicator. Used in industrial power distribution and motor control circuits for overcurrent protection
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