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MERSEN 20311 Fuse Block, 1 Pole, 250 V AC, Screw Terminals, Non-Indicating - Fuse Blocks for UL Class H & K Fuses
MERSENFuse Blocks for UL Class H & K Fuses

MERSEN 20311 Fuse Block, 1 Pole, 250 V AC, Screw Terminals, Non-Indicating

MERSEN Fuse Blocks for UL Class H & K Fuses.

SKU 3G-OTH-129383

Brand
MERSEN
Item
20311 Fuse Block, 1 Pole, 250 V AC, Screw Terminals, Non-Indicating
Category
Fuse Blocks for UL Class H & K Fuses
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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
20311

Technical Documents

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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 20311 fuse block used for?

The MERSEN 20311 fuse block is used to safely mount and connect UL Class H and K cartridge fuses in industrial control panels, distribution boards, and motor circuits. It provides a single-pole, open-block design for 250 V AC applications, enabling easy fuse replacement and reliable circuit protection in manufacturing and power distribution environments.

What are the specifications of the MERSEN 20311 fuse block?

The MERSEN 20311 is a 1-pole, open-block fuse block rated for 250 V AC. It uses screw-type terminals and is designed for UL Class H and K fuses. The manufacturer part number is 20311, and it is a non-indicating model. This block is suitable for industrial fuse mounting where visual indication of fuse status is not required.

Where to buy the MERSEN 20311 fuse block worldwide?

You can source the MERSEN 20311 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 provide competitive pricing and reliable supply for this MERSEN fuse block.

How to install the MERSEN 20311 fuse block?

To install the MERSEN 20311 fuse block, mount it securely on a DIN rail or panel using the provided slots. Connect incoming and outgoing conductors to the screw terminals, ensuring proper torque per manufacturer guidelines. Insert the correct UL Class H or K fuse into the open block. 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 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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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 accepts UL Class H and K fuses and features box-lug terminals. The non-indicating block is used in panel boards, motor control centers, and distribution equipment for overcurrent protection
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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 box-lug terminals. The non-indicating block is used in panel boards, motor control centers, and distribution equipment for overcurrent protection
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
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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
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
MERSEN Fuse Block: Open Block Design, 2 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20302)
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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 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
The MERSEN 20303 is a 3-pole fuse block with an open block design, rated for 250 V AC. It accepts UL Class H and K fuses and features box lug terminals. This non-indicating block is used for mounting and connecting fuses in industrial electrical circuits such as panel boards and motor control centers
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The MERSEN 20303 is a 3-pole fuse block with an open block design, rated for 250 V AC. It accepts UL Class H and K fuses and features box lug terminals. This non-indicating block is used for mounting and connecting fuses in industrial electrical circuits such as panel boards and motor control centers

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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
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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
Single-pole open block fuse holder for UL Class H and K fuses. Rated 250 V AC with box lug terminals for secure wiring. Non-indicating design. Used in panel boards, motor control centers, and distribution equipment for overcurrent protection
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Single-pole open block fuse holder for UL Class H and K fuses. Rated 250 V AC with box lug terminals for secure wiring. Non-indicating design. Used in panel boards, motor control centers, and distribution equipment for overcurrent protection
The MERSEN 60606 is a 1-pole open-block design fuse block rated for 600 V AC. It features box lug terminals and is non-indicating. This unit accepts UL Class H and K fuses. Typical applications include mounting and connecting fuses in industrial electrical panels, motor control centers, and distribution boards
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The MERSEN 60606 is a 1-pole open-block design fuse block rated for 600 V AC. It features box lug terminals and is non-indicating. This unit accepts UL Class H and K fuses. Typical applications include mounting and connecting fuses in industrial electrical panels, motor control centers, and distribution boards
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 mounting and connecting fuses in electrical panels, motor control centers, and distribution boards
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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 mounting and connecting fuses in electrical panels, motor control centers, and distribution boards
Single-pole open block fuse holder for UL Class H and K fuses. Rated 250 V AC with box lug terminals. Non-indicating design. Used in panel boards, motor control centers, and distribution equipment for fuse mounting and connection
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Single-pole open block fuse holder for UL Class H and K fuses. Rated 250 V AC with box lug terminals. Non-indicating design. Used in panel boards, motor control centers, and distribution equipment for fuse mounting and connection
Fuse block for UL Class H and K fuses. Open block design with 2 poles rated 600 V AC. Box lug terminals for secure wire connections. Non-indicating type without blown-fuse indicator. Used in industrial electrical circuits for overcurrent protection
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Fuse block for UL Class H and K fuses. Open block design with 2 poles rated 600 V AC. Box lug terminals for secure wire connections. Non-indicating type without blown-fuse indicator. Used in industrial electrical circuits for overcurrent protection
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
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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 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
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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