We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
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

MERSEN Fuse Blocks for UL Class H & K Fuses.

SKU 3G-OTH-129433

Brand
MERSEN
Item
Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
21037

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 boards. It provides reliable overcurrent protection and safe fuse replacement in manufacturing, HVAC, and power systems worldwide.

What are the specifications of the MERSEN 21037 fuse block?

The MERSEN 21037 is a 2-pole open block design rated for 250 V AC. It uses box lug terminals and is non-indicating. This fuse block accepts UL Class H and K fuses, making it suitable for general-purpose industrial overcurrent protection.

Where to buy MERSEN fuse blocks worldwide?

3G Electric supplies MERSEN fuse blocks like the 21037 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this open block design for UL Class H and K fuses.

How to install a MERSEN open block fuse block?

Mount the MERSEN 21037 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 and verify polarity before energizing the circuit.

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 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
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21038)
MERSEN
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 21038)
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20607)
MERSEN
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20607)
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20656)
MERSEN
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20656)
This MERSEN fuse block is a 3-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 in panel boards, motor control centers, and distribution equipment for overcurrent protection
MERSEN
This MERSEN fuse block is a 3-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 in panel boards, motor control centers, and distribution equipment for overcurrent protection
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 24001)
MERSEN
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 24001)

More from MERSEN

View all MERSEN parts →
This MERSEN fuse block is designed for mounting and connecting UL Class H and K fuses in industrial electrical circuits. It features an open-block, 2-pole configuration rated for 600 V AC, with box lug terminals and a non-indicating design. Commonly used in motor control centers, panelboards, and distribution equipment
MERSEN
This MERSEN fuse block is designed for mounting and connecting UL Class H and K fuses in industrial electrical circuits. It features an open-block, 2-pole configuration rated for 600 V AC, with box lug terminals and a non-indicating design. Commonly used in motor control centers, panelboards, and distribution equipment
This MERSEN fuse block is a 1-pole, open block design rated for 600 V AC. It accepts UL Class H and K fuses and features box lug terminals. The non-indicating block is used to safely mount and connect 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 600 V AC. It accepts UL Class H and K fuses and features box lug terminals. The non-indicating block is used to safely mount and connect fuses in industrial electrical circuits such as panel boards and motor control centers
This 3-pole fuse block is designed for mounting UL Class H and K fuses in industrial electrical circuits. Rated for 250 V AC, it features an open block design with box lug terminals for secure connections. Suitable for use in motor control centers, panel boards, and distribution equipment requiring overcurrent protection
MERSEN
This 3-pole fuse block is designed for mounting UL Class H and K fuses in industrial electrical circuits. Rated for 250 V AC, it features an open block design with box lug terminals for secure connections. Suitable for use in motor control centers, panel boards, and distribution equipment requiring overcurrent protection
This MERSEN fuse block is a 1-pole, open block design rated for 250 V AC. It accepts UL Class H and K fuses and features a box lug terminal for secure wire connections. The non-indicating design is suited for overcurrent protection in panel boards, switchgear, and control cabinets
MERSEN
This MERSEN fuse block is a 1-pole, open block design rated for 250 V AC. It accepts UL Class H and K fuses and features a box lug terminal for secure wire connections. The non-indicating design is suited for overcurrent protection in panel boards, switchgear, and control cabinets
This MERSEN fuse block is a 3-pole, open block design rated for 600 V AC. It accepts UL Class H and K fuses and features box lug terminals for secure wire connections. The non-indicating design does not include a blown-fuse indicator. Suitable for use in motor control centers, panel boards, and distribution equipment requiring overcurrent protection
MERSEN
This MERSEN fuse block is a 3-pole, open block design rated for 600 V AC. It accepts UL Class H and K fuses and features box lug terminals for secure wire connections. The non-indicating design does not include a blown-fuse indicator. Suitable for use in motor control centers, panel boards, and distribution equipment requiring overcurrent protection
This MERSEN fuse block is an open block design for UL Class H and K fuses. It features 2 poles, a 250 V AC rating, pressure plate terminals, and non-indicating operation. Typical applications include motor control centers, panel boards, and distribution equipment requiring overcurrent protection
MERSEN
This MERSEN fuse block is an open block design for UL Class H and K fuses. It features 2 poles, a 250 V AC rating, pressure plate terminals, and non-indicating operation. Typical applications include motor control centers, panel boards, and distribution equipment requiring overcurrent protection
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
The MERSEN 20357 is a 2-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. Typical applications include panel boards, motor control centers, and distribution equipment
MERSEN
The MERSEN 20357 is a 2-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. Typical applications include panel boards, motor control centers, and distribution equipment