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MERSEN Medium Voltage Fuse: A480R Series, R-Rated, 4.8 kV AC, 230 A, Time-Delay - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN Medium Voltage Fuse: A480R Series, R-Rated, 4.8 kV AC, 230 A, Time-Delay

The MERSEN A480R Series is a medium voltage, time-delay cylindrical fuse, specifically an R-rated model with a 4.8 kV AC rating and 230 A current capacity. This indicating fuse, identified by MPN A480R12R-1, is…

SKU 3G-OTH-25497

Brand
MERSEN
Item
Medium Voltage Fuse: A480R Series, R-Rated, 4.8 kV AC, 230 A, Time-Delay
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A480R12R-1
Series
A480R
Type
R-Rated, 4.8 kV AC, 230 A, Time-Delay, Indicating
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A480R Series is a medium voltage, time-delay cylindrical fuse, specifically an R-rated model with a 4.8 kV AC rating and 230 A current capacity. This indicating fuse, identified by MPN A480R12R-1, is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the MERSEN A480R Series medium voltage fuse used for?

The MERSEN A480R Series fuse provides overcurrent protection in industrial electrical systems. Its R-rating and time-delay characteristic make it suitable for motor circuits and transformer protection where inrush currents occur, ensuring reliable operation in medium voltage applications up to 4.8 kV AC.

What are the specifications of the MERSEN A480R12R-1 fuse?

The MERSEN A480R12R-1 is an R-rated, time-delay, indicating fuse rated for 4.8 kV AC and 230 A. It belongs to the A480R Series and features a cylindrical body designed for medium voltage overcurrent protection. The indicating function allows visual confirmation of operation.

Where to buy MERSEN medium voltage fuses worldwide?

3G Electric supplies MERSEN medium voltage fuses, including the A480R Series, to customers worldwide. We handle full logistics and customs clearance for international orders. Contact our team to source the correct fuse for your application and arrange delivery to your location.

How to select the correct MERSEN A480R fuse for a motor circuit?

Selecting the correct MERSEN A480R fuse requires matching the voltage rating (4.8 kV AC) and current rating (230 A) to your circuit. The R-rating ensures coordination with motor starting currents. Consult the fuse time-current curve and verify the interrupting capacity meets system fault levels for safe protection.

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 time-delay 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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