Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MERSEN 22003 Fuse Block, 3-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 22003 Fuse Block, 3-Pole, 250 V AC, Open Block, Box Lug, Non-Indicating

MERSEN Fuse Blocks for UL Class H & K Fuses.

SKU 3G-OTH-129453

Brand
MERSEN
Item
22003 Fuse Block, 3-Pole, 250 V AC, Open Block, Box Lug, Non-Indicating
Category
Fuse Blocks for UL Class H & K Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
22003

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 22003 fuse block used for?

The MERSEN 22003 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 22003 fuse block?

The MERSEN 22003 is a 3-pole, open block design fuse block rated for 250 V AC. It features box lug terminals and is non-indicating. It accepts UL Class H and K fuses. The manufacturer part number is 22003. This block is designed for reliable overcurrent protection in industrial power distribution.

Where to buy the MERSEN 22003 fuse block worldwide?

You can source the MERSEN 22003 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 applications.

How to install the MERSEN 22003 fuse block?

Mount the MERSEN 22003 fuse block securely on a panel or DIN rail using appropriate hardware. Connect incoming and outgoing conductors to the box lug terminals, torquing to manufacturer specifications. Insert UL Class H or K fuses of the correct rating. Always de-energize circuits 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
This 3-pole fuse block is designed for UL Class H and K fuses, rated at 250 V AC. It features an open block design with box lug terminals and is non-indicating. Suitable for use in industrial electrical circuits requiring overcurrent protection
MERSEN
This 3-pole fuse block is designed for UL Class H and K fuses, rated at 250 V AC. It features an open block design with box lug terminals and is non-indicating. Suitable for use in industrial electrical circuits requiring overcurrent protection
This MERSEN fuse block is designed for UL Class H and K fuses, providing a 3-pole open block configuration rated at 250 V AC. It features box lug terminals and a non-indicating design. Typical applications include panel boards, motor control centers, and distribution equipment where easy fuse access and replacement are required
MERSEN
This MERSEN fuse block is designed for UL Class H and K fuses, providing a 3-pole open block configuration rated at 250 V AC. It features box lug terminals and a non-indicating design. Typical applications include panel boards, motor control centers, and distribution equipment where easy fuse access and replacement are required
Open-block fuse block for mounting and connecting UL Class H and K fuses. Single-pole design rated for 250 V AC with box-lug terminals. Non-indicating type suitable for use in panel boards, motor control centers, and distribution equipment
MERSEN
Open-block fuse block for mounting and connecting UL Class H and K fuses. Single-pole design rated for 250 V AC with box-lug terminals. Non-indicating type suitable for use in panel boards, motor control centers, and distribution equipment
This MERSEN fuse block is a 1-pole, open block design rated for 250 V AC. It features a box lug terminal and is non-indicating. Designed to accept UL Class H and K fuses, it is used for mounting and connecting fuses in industrial electrical circuits such as panel boards and motor control centers
MERSEN
This MERSEN fuse block is a 1-pole, open block design rated for 250 V AC. It features a box lug terminal and is non-indicating. Designed to accept UL Class H and K fuses, it is used for mounting and connecting fuses in industrial electrical circuits such as panel boards and motor control centers
This MERSEN fuse block is a 2-pole, open block design rated for 250 V AC. It features box lug terminals and is non-indicating. Designed to accept UL Class H and K fuses, it is used for mounting and connecting fuses in industrial electrical circuits such as panel boards and distribution equipment
MERSEN
This MERSEN fuse block is a 2-pole, open block design rated for 250 V AC. It features box lug terminals and is non-indicating. Designed to accept UL Class H and K fuses, it is used for mounting and connecting fuses in industrial electrical circuits such as panel boards and distribution equipment
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21037)
MERSEN
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21037)

More from MERSEN

View all MERSEN parts →
Open-style fuse block for UL Class H and K fuses. Single-pole design rated 250 V AC with box lug terminals. Non-indicating type suitable for overcurrent protection in industrial control panels and distribution equipment
MERSEN
Open-style fuse block for UL Class H and K fuses. Single-pole design rated 250 V AC with box lug terminals. Non-indicating type suitable for overcurrent protection in industrial control panels and distribution equipment
This MERSEN fuse block is a 2-pole, open-block design rated for 600 V AC. It features box lug terminals and is non-indicating. Designed to accept UL Class H and K fuses, it is used for overcurrent protection in industrial control panels, motor circuits, and distribution boards
MERSEN
This MERSEN fuse block is a 2-pole, open-block design rated for 600 V AC. It features box lug terminals and is non-indicating. Designed to accept UL Class H and K fuses, it is used for overcurrent protection in industrial control panels, motor circuits, and distribution boards
Three-pole open-block fuse block for UL Class H and K fuses. Rated 600 V AC with box lug terminals. Non-indicating design. Used in industrial electrical panels for overcurrent protection in motor control centers and distribution boards
MERSEN
Three-pole open-block fuse block for UL Class H and K fuses. Rated 600 V AC with box lug terminals. Non-indicating design. Used in industrial electrical panels for overcurrent protection in motor control centers and distribution boards
The MERSEN 20302 is a 2-pole, open block design fuse block rated for 250 V AC. It features box lug terminals and is non-indicating. Designed to accept UL Class H and K fuses, it is used for safely holding and connecting fuses in industrial control panels, motor circuits, and branch-circuit protection in electrical distribution systems
MERSEN
The MERSEN 20302 is a 2-pole, open block design fuse block rated for 250 V AC. It features box lug terminals and is non-indicating. Designed to accept UL Class H and K fuses, it is used for safely holding and connecting fuses in industrial control panels, motor circuits, and branch-circuit protection in electrical distribution systems
Open block design fuse block for mounting and connecting UL Class H and K fuses. Features 2 poles, 600 V AC rating, and box lug terminals. Non-indicating type suitable for overcurrent protection in industrial power distribution equipment
MERSEN
Open block design fuse block for mounting and connecting UL Class H and K fuses. Features 2 poles, 600 V AC rating, and box lug terminals. Non-indicating type suitable for overcurrent protection in industrial power distribution equipment
This MERSEN fuse block is a 1-pole, 600 V AC open block design with box lug terminals. It is non-indicating and accepts UL Class H and K fuses. Used in industrial electrical panels for overcurrent protection of circuits
MERSEN
This MERSEN fuse block is a 1-pole, 600 V AC open block design with box lug terminals. It is non-indicating and accepts UL Class H and K fuses. Used in industrial electrical panels for overcurrent protection of circuits
Fuse block for UL Class H and K fuses. 1-pole open block design rated 600 V AC. Box lug terminal type, non-indicating. Used in industrial electrical panels for overcurrent protection
MERSEN
Fuse block for UL Class H and K fuses. 1-pole open block design rated 600 V AC. Box lug terminal type, non-indicating. Used in industrial electrical panels for overcurrent protection
The MERSEN 20318 is a 3-pole open block fuse block rated for 250 V AC. It features screw-type terminals and a non-indicating design. This block accepts UL Class H and K fuses. Typical applications include panel boards, motor control centers, and distribution equipment
MERSEN
The MERSEN 20318 is a 3-pole open block fuse block rated for 250 V AC. It features screw-type terminals and a non-indicating design. This block accepts UL Class H and K fuses. Typical applications include panel boards, motor control centers, and distribution equipment