Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 130 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, 130 A, Gen 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

Brand
MERSEN
Item
Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 130 A, Gen Purpose
Category
Fast-Acting & General-Purpose Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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
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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 100 A, Gen Purpose, Indicating (MPN A051B1DHR0-3R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 100 A, Gen Purpose, Indicating (MPN A051B1DHR0-3R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 200 A, Gen Purpose, Indicating (MPN A051B1DHR0-9R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 200 A, Gen Purpose, Indicating (MPN A051B1DHR0-9R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 70 A, Gen Purpose, Indicating (MPN A051B1DHR0-2R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 70 A, Gen Purpose, Indicating (MPN A051B1DHR0-2R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 170 A, Gen Purpose, Indicating (MPN A051B1DHR0-6R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 170 A, Gen Purpose, Indicating (MPN A051B1DHR0-6R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DAR0 Series, R-Rated, 5.08 kV AC, 700 A, Gen Purpose, Indicating (MPN A051B2DAR0-38R). Key specifications — Series: DAR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DAR0 Series, R-Rated, 5.08 kV AC, 700 A, Gen Purpose, Indicating (MPN A051B2DAR0-38R). Key specifications — Series: DAR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DAR0 Series, R-Rated, 5.08 kV AC, 450 A, Gen Purpose, Indicating (MPN A051B2DAR0-24R). Key specifications — Series: DAR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DAR0 Series, R-Rated, 5.08 kV AC, 450 A, Gen Purpose, Indicating (MPN A051B2DAR0-24R). Key specifications — Series: DAR0; Brand: MERSEN.

More from MERSEN

View all MERSEN parts →
MERSEN Medium Voltage Fuse: A500 Series, R-Rated, 5 kV AC, 3 A, Fast-Acting, Non-Indicating (MPN A500T3E-1). Key specifications — Series: A500; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuse: A500 Series, R-Rated, 5 kV AC, 3 A, Fast-Acting, Non-Indicating (MPN A500T3E-1). Key specifications — Series: A500; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 450 A, Gen Purpose, Indicating (MPN A051B2DHR0-24R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 450 A, Gen Purpose, Indicating (MPN A051B2DHR0-24R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: 9F60 Series, R-Rated, 2.4 kV AC, 130 A, Gen Purpose, Non-Indicating (MPN 9F60LCL304). Key specifications — Series: 9F60; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: 9F60 Series, R-Rated, 2.4 kV AC, 130 A, Gen Purpose, Non-Indicating (MPN 9F60LCL304). Key specifications — Series: 9F60; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 150 A, Gen Purpose, Indicating (MPN A051B1DHR0-5R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 150 A, Gen Purpose, Indicating (MPN A051B1DHR0-5R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: 9F60 Series, R-Rated, 5.5 kV AC, 1 A, Gen Purpose, Indicating (MPN 9F60BBD001-S). Key specifications — Series: 9F60; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: 9F60 Series, R-Rated, 5.5 kV AC, 1 A, Gen Purpose, Indicating (MPN 9F60BBD001-S). Key specifications — Series: 9F60; Brand: MERSEN.
MERSEN Medium Voltage Fuses: 9F60 Series, R-Rated, 5.5 kV AC, 2 A, Gen Purpose, Non-Indicating (MPN 9F60BBN002). Key specifications — Series: 9F60; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: 9F60 Series, R-Rated, 5.5 kV AC, 2 A, Gen Purpose, Non-Indicating (MPN 9F60BBN002). Key specifications — Series: 9F60; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 230 A, Gen Purpose, Indicating (MPN A051B1DHR0-12R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 230 A, Gen Purpose, Indicating (MPN A051B1DHR0-12R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 390 A, Gen Purpose, Indicating (MPN A051B2DHR0-18R). Key specifications — Series: DHR0; Brand: MERSEN.
MERSEN
MERSEN Medium Voltage Fuses: DHR0 Series, R-Rated, 5.08 kV AC, 390 A, Gen Purpose, Indicating (MPN A051B2DHR0-18R). Key specifications — Series: DHR0; Brand: MERSEN.