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MERSEN 20307R Fuse Block - Fuse Blocks for UL Class RK1 & RK5 Fuses
MERSENFuse Blocks for UL Class RK1 & RK5 Fuses

MERSEN 20307R Fuse Block

MERSEN Fuse Blocks for UL Class RK1 & RK5 Fuses.

SKU 3G-OTH-25097

Also listed as: 20307 R · 20307-R

Brand
MERSEN
Item
20307R Fuse Block
Category
Fuse Blocks for UL Class RK1 & RK5 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
20307R

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 20307R fuse block used for?

The MERSEN 20307R fuse block is used to safely mount and connect UL Class RK1 and RK5 fuses in industrial control panels, motor circuits, and power distribution systems. Its open block design with 2 poles and box lug terminals supports 250 V AC applications, providing reliable overcurrent protection in manufacturing, HVAC, and process equipment.

What are the specifications of the MERSEN 20307R fuse block?

The MERSEN 20307R is a 2-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 wiring. The non-indicating design means no blown-fuse indicator is included. This model is manufactured by MERSEN under part number 20307R.

Where to buy the MERSEN 20307R fuse block worldwide?

3G Electric supplies the MERSEN 20307R fuse block worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source and deliver this MERSEN fuse block to support your industrial power distribution needs.

How to install the MERSEN 20307R fuse block?

To install the MERSEN 20307R fuse block, mount it on a DIN rail or panel using the provided slots. Connect incoming and outgoing wires to the box lug terminals, torquing to manufacturer specifications. Insert UL Class RK1 or RK5 fuses into the 2-pole holder. Always disconnect power 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
Single-pole open-block fuse holder for UL Class RK1 and RK5 fuses. Rated 250 V AC with box lug terminals for secure wiring. Non-indicating design without blown-fuse indicator. Used in industrial electrical circuits for overcurrent protection
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Single-pole open-block fuse holder for UL Class RK1 and RK5 fuses. Rated 250 V AC with box lug terminals for secure wiring. Non-indicating design without blown-fuse indicator. Used in industrial electrical circuits for overcurrent protection
MERSEN Fuse Block: Open Block Design, 1 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20306R)
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MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Box Lug, Non-Indicating (MPN 20358R)
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Two-pole open block design for UL Class RK1 and RK5 fuses. Rated 250 V AC with pressure plate terminals for secure wire connections. Non-indicating type without blown-fuse indicator. Used in industrial electrical panels, motor control centers, and distribution boards for overcurrent protection
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Two-pole open block design for UL Class RK1 and RK5 fuses. Rated 250 V AC with pressure plate terminals for secure wire connections. Non-indicating type without blown-fuse indicator. Used in industrial electrical panels, motor control centers, and distribution boards for overcurrent protection
MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Pressure Plate, Non-Indicating (MPN 20328R)
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MERSEN Fuse Block: Open Block Design, 3 Pole, 250 V AC, Pressure Plate, Non-Indicating (MPN 20328R)
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)

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Single-pole fuse block for UL Class RK1 and RK5 fuses, rated 250 V AC. Features an open block design with pressure plate terminals for secure wire connections. Non-indicating type without blown-fuse indicator. Suitable for use in motor control centers, panelboards, and distribution equipment
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