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MERSEN DHR0 Series R-Rated Medium Voltage Cylindrical Fuse - Fast-Acting & General-Purpose Cylindrical Fuses
MERSENFast-Acting & General-Purpose Cylindrical Fuses

MERSEN DHR0 Series R-Rated Medium Voltage Cylindrical Fuse

The MERSEN DHR0 Series is a fast-acting and general-purpose cylindrical fuse, R-rated at 5.08 kV AC and 230 A, with an indicating feature. This medium voltage fuse is designed for general purpose applications, as…

SKU 3G-OTH-25232

Also listed as: A051B1DHR012R · A051B1DHR0 12R

Brand
MERSEN
Item
DHR0 Series R-Rated Medium Voltage Cylindrical Fuse
Part Number
A051B1DHR0-12R
Category
Fast-Acting & General-Purpose Cylindrical Fuses
Available to Order
Also known as:A051B1DHR0-12RMERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
A051B1DHR0-12R
Series
DHR0
Type
R-Rated, 5.08 kV AC, 230 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 230 A, with an indicating feature. This medium voltage fuse is designed for general purpose applications, as specified by the manufacturer.

Frequently Asked Questions

What is the MERSEN DHR0 medium voltage fuse used for?

The MERSEN DHR0 Series fuse is a fast-acting, general-purpose cylindrical fuse rated at 5.08 kV AC and 230 A. It is used for medium voltage circuit protection in industrial applications such as motor circuits, transformers, and switchgear, where reliable overcurrent interruption is required.

What are the specifications of the MERSEN DHR0 fuse?

The MERSEN DHR0 Series fuse is R-rated at 5.08 kV AC and 230 A, with an indicating feature. It is a fast-acting, general-purpose cylindrical fuse designed for medium voltage protection. The manufacturer part number is A051B1DHR0-12R.

Where to buy MERSEN DHR0 fuses worldwide?

3G Electric supplies MERSEN DHR0 Series fuses worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this R-rated, 5.08 kV AC, 230 A indicating fuse.

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

To select the correct MERSEN DHR0 fuse, verify the system voltage (5.08 kV AC), continuous current rating (230 A), and required interrupting rating. Ensure the R-rating matches the motor or transformer starting characteristics. Consult the manufacturer's application guide for coordination with upstream protection 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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