We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
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 200 A, with an indicating feature. This medium voltage fuse (MPN A051B1DHR0-9R) is designed for overcurrent…

SKU 3G-OTH-25113

Also listed as: A051B1DHR09R · A051B1DHR0 9R

Brand
MERSEN
Item
DHR0 Series R-Rated Medium Voltage Cylindrical Fuse
Part Number
A051B1DHR0-9R
Category
Fast-Acting & General-Purpose Cylindrical Fuses
Available to Order
Also known as:A051B1DHR0-9RMERSEN
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
A051B1DHR0-9R
Series
DHR0
Type
R-Rated, 5.08 kV AC, 200 A, Gen Purpose, Indicating

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 200 A, with an indicating feature. This medium voltage fuse (MPN A051B1DHR0-9R) is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN DHR0 Series fuse used for?

The MERSEN DHR0 Series fuse (MPN A051B1DHR0-9R) is a fast-acting, general-purpose cylindrical fuse rated at 5.08 kV AC and 200 A. It provides overcurrent protection for medium voltage industrial electrical systems, such as motor circuits and transformers, with an indicating feature for blown-fuse detection.

What are the specifications of the MERSEN DHR0 Series fuse?

The MERSEN DHR0 Series fuse is R-rated, with a voltage rating of 5.08 kV AC and a current rating of 200 A. It is a fast-acting, general-purpose cylindrical fuse with an indicating feature. The manufacturer part number is A051B1DHR0-9R, and it belongs to the DHR0 series from MERSEN.

Where to buy MERSEN DHR0 Series fuses worldwide?

You can source the MERSEN DHR0 Series fuse (A051B1DHR0-9R) 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 this medium voltage fuse.

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

To select the correct MERSEN DHR0 Series fuse, verify the system voltage (5.08 kV AC) and continuous current (200 A). Ensure the R-rating matches the motor or transformer starting characteristics. The indicating feature helps identify blown fuses. Consult the manufacturer's application guide for coordination with upstream protection 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.
Not sure this is the right part? Photo-identify it

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

More from MERSEN

View all MERSEN parts
R-rated cylindrical fuse for medium-voltage overcurrent protection. Rated 5.08 kV AC and 700 A. General-purpose design with visual indication for blown fuse status. Suitable for use in motor starters, transformers, and switchgear
MERSEN
R-rated cylindrical fuse for medium-voltage overcurrent protection. Rated 5.08 kV AC and 700 A. General-purpose design with visual indication for blown fuse status. Suitable for use in motor starters, transformers, and switchgear
R-rated fast-acting cylindrical fuse for general-purpose medium voltage protection. Rated 5.08 kV AC and 450 A. Indicating feature provides visual blown-fuse indication. Suitable for use in motor circuits, transformers, and switchgear
MERSEN
R-rated fast-acting cylindrical fuse for general-purpose medium voltage protection. Rated 5.08 kV AC and 450 A. Indicating feature provides visual blown-fuse indication. Suitable for use in motor circuits, transformers, and switchgear

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first