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, 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

MERSEN Fuse Blocks for UL Class H & K Fuses.

SKU 3G-OTH-129368

Brand
MERSEN
Item
Fuse Block: Open Block Design, 3 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
20303

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 the MERSEN 20303 fuse block used for?

The MERSEN 20303 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 20303 fuse block?

The MERSEN 20303 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 20303. This block is designed for reliable fuse mounting in industrial power distribution.

Where to buy the MERSEN 20303 fuse block worldwide?

You can source the MERSEN 20303 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 20303 fuse block?

Mount the MERSEN 20303 fuse block on a flat surface using the provided slots. Connect incoming and outgoing conductors to the box lug terminals, tightening to the manufacturer's recommended torque. Insert UL Class H or K fuses into each pole. Ensure the circuit is de-energized before installation. 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
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20301)
MERSEN
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20301)
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20308)
MERSEN
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20308)
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20358)
MERSEN
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20358)
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20302)
MERSEN
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20302)
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 screw-type terminals for secure connections. Suitable for use in panel boards, motor control centers, and distribution equipment 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 screw-type terminals for secure connections. Suitable for use in panel boards, motor control centers, and distribution equipment requiring overcurrent protection
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Screw, Non-Indicating (MPN 20318)
MERSEN
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Screw, Non-Indicating (MPN 20318)

More from MERSEN

View all MERSEN parts →
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
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
Single-pole open fuse block rated 600 V AC for UL Class H and K fuses. Features pressure plate terminals and non-indicating design. Used in motor control centers, panelboards, and distribution equipment for overcurrent protection
MERSEN
Single-pole open fuse block rated 600 V AC for UL Class H and K fuses. Features pressure plate terminals and non-indicating design. Used in motor control centers, panelboards, and distribution equipment for overcurrent protection
2-pole, 600 V AC fuse block for UL Class H and K fuses. Features pressure plate terminals and non-indicating design. Used in motor control centers, panelboards, and distribution equipment for overcurrent protection
MERSEN
2-pole, 600 V AC fuse block for UL Class H and K fuses. Features pressure plate terminals and non-indicating design. Used in motor control centers, panelboards, and distribution equipment for overcurrent protection
This MERSEN fuse block is a 3-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 suitable for mounting in industrial electrical panels, motor control centers, and distribution boards for overcurrent protection
MERSEN
This MERSEN fuse block is a 3-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 suitable for mounting in industrial electrical panels, motor control centers, and distribution boards for overcurrent protection
Open block design for UL Class H and K fuses. Rated 600 V AC, 1 pole. Features pressure plate terminals for secure wire connections. Non-indicating type. Suitable for use in panel boards, motor control centers, and distribution equipment
MERSEN
Open block design for UL Class H and K fuses. Rated 600 V AC, 1 pole. Features pressure plate terminals for secure wire connections. Non-indicating type. Suitable for use in panel boards, motor control centers, and distribution equipment
This MERSEN fuse block is designed for UL Class H and K fuses, providing a 2-pole, open block configuration rated for 250 V AC. It features screw-type terminals and a non-indicating design. Commonly used in panel boards, motor control centers, and distribution equipment for overcurrent protection
MERSEN
This MERSEN fuse block is designed for UL Class H and K fuses, providing a 2-pole, open block configuration rated for 250 V AC. It features screw-type terminals and a non-indicating design. Commonly used in panel boards, motor control centers, and distribution equipment for overcurrent protection
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 uses screw-type terminals. The non-indicating block is suited 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 600 V AC. It accepts UL Class H and K fuses and uses screw-type terminals. The non-indicating block is suited for mounting and connecting fuses in industrial electrical circuits such as panel boards and motor control centers