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MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 170 A, Gen Purpose - Fast-Acting & General-Purpose Cylindrical Fuses
MERSENFast-Acting & General-Purpose Cylindrical Fuses

MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 170 A, Gen Purpose

The MERSEN DHR0 Series is a fast-acting and general-purpose cylindrical fuse, rated at 5.08 kV AC and 170 A. This R-rated, indicating fuse (MPN A051B1DHR0-6R) is designed for medium-voltage applications.

SKU 3G-OTH-24952

Brand
MERSEN
Item
Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 170 A, Gen Purpose
Category
Fast-Acting & General-Purpose Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A051B1DHR0-6R
Series
DHR0
Type
R-Rated, 5.08 kV AC, 170 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, rated at 5.08 kV AC and 170 A. This R-rated, indicating fuse (MPN A051B1DHR0-6R) is designed for medium-voltage applications.

Frequently Asked Questions

What is the MERSEN DHR0 Series fuse used for?

The MERSEN DHR0 Series fuse is used for medium-voltage motor and transformer protection in industrial power systems. Its R-rating and indicating feature allow it to coordinate with motor starters and provide visual blown-fuse indication, making it suitable for general-purpose applications up to 5.08 kV AC.

What are the specifications of the MERSEN DHR0 Series fuse?

The MERSEN DHR0 Series fuse (MPN A051B1DHR0-6R) is rated at 5.08 kV AC and 170 A. It is a fast-acting, R-rated, indicating cylindrical fuse designed for medium-voltage general-purpose use. The series is manufactured by MERSEN and is suitable for motor and transformer protection circuits.

Where to buy MERSEN DHR0 Series fuses worldwide?

You can source MERSEN DHR0 Series fuses 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 on the A051B1DHR0-6R fuse.

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

Select the MERSEN DHR0 Series fuse based on system voltage (5.08 kV AC), continuous current (170 A), and the R-rating required for motor-start coordination. Verify the fuse's interrupting rating matches the available fault current. Consult the manufacturer's application guide for specific motor or transformer protection settings.

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 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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