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MERSEN DHR0 Series R-Rated 5.08 kV AC 130 A General Purpose - Fast-Acting & General-Purpose Cylindrical Fuses
MERSENFast-Acting & General-Purpose Cylindrical Fuses

MERSEN DHR0 Series R-Rated 5.08 kV AC 130 A General Purpose

The MERSEN DHR0 Series is a fast-acting and general-purpose cylindrical fuse, R-rated at 5.08 kV AC and 130 A, with an indicating feature. This medium voltage fuse (MPN A051B1DHR0-4R) is designed for general-purpose…

SKU 3G-OTH-25065

Also listed as: A051B1DHR04R · A051B1DHR0 4R

Brand
MERSEN
Item
DHR0 Series R-Rated 5.08 kV AC 130 A General Purpose
Part Number
A051B1DHR0-4R
Category
Fast-Acting & General-Purpose Cylindrical Fuses
Available to Order
Also known as:A051B1DHR0-4RMERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
A051B1DHR0-4R
Series
DHR0
Type
R-Rated, 5.08 kV AC, 130 A, Gen Purpose, Indicating

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN DHR0 Series is a fast-acting and general-purpose cylindrical fuse, R-rated at 5.08 kV AC and 130 A, with an indicating feature. This medium voltage fuse (MPN A051B1DHR0-4R) is designed for general-purpose overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN DHR0 series fuse used for?

The MERSEN DHR0 series fuse provides overcurrent protection for medium-voltage industrial electrical systems. Its R-rating and 5.08 kV AC rating make it suitable for motor circuits, transformers, and general-purpose applications where fast-acting, indicating protection is required.

What are the specifications of the MERSEN DHR0 fuse A051B1DHR0-4R?

The MERSEN DHR0 fuse (MPN A051B1DHR0-4R) is an R-rated, fast-acting cylindrical fuse rated at 5.08 kV AC and 130 A. It features an indicating function for visual blown-fuse detection and is designed for general-purpose medium-voltage overcurrent protection.

Where to buy MERSEN DHR0 fuses worldwide?

3G Electric supplies MERSEN DHR0 series fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the A051B1DHR0-4R or other MERSEN medium-voltage fuse models.

How to select the correct MERSEN DHR0 fuse for an application?

Select the MERSEN DHR0 fuse based on system voltage (5.08 kV AC), continuous current (130 A), and R-rating for motor or transformer protection. Verify the indicating feature is needed for visual status. Consult the manufacturer's application guide for coordination with upstream devices.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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MERSEN Products

3G Electric supplies MERSEN fast-acting & general-purpose cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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