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MERSEN A4BQ2500 Time-Delay Bolt-On Fuse, Class L, 2.5 kA, 600 V AC, 500 V DC - Time-Delay Bolt-On Fuses
MERSENTime-Delay Bolt-On Fuses

MERSEN A4BQ2500 Time-Delay Bolt-On Fuse, Class L, 2.5 kA, 600 V AC, 500 V DC

The MERSEN A4BQ2500 is a Class L, time-delay bolt-on fuse from the A4BQ Series. It is rated for 2.5 kA at 600 V AC and 500 V DC, providing overcurrent protection for industrial equipment.

SKU 3G-OTH-27038

Brand
MERSEN
Item
A4BQ2500 Time-Delay Bolt-On Fuse, Class L, 2.5 kA, 600 V AC, 500 V DC
Part Number
A4BQ2500
Category
Time-Delay Bolt-On Fuses
Available to Order
Also known as:A4BQ2500MERSEN
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
A4BQ2500
Series
A4BQ
Type
A4BQ Series, Bolt-On Body, Time-Delay, 2.5 kA
AC
600 V
DC
500 V

Technical Documents

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A4BQ2500 is a Class L, time-delay bolt-on fuse from the A4BQ Series. It is rated for 2.5 kA at 600 V AC and 500 V DC, providing overcurrent protection for industrial equipment.

Frequently Asked Questions

What is the MERSEN A4BQ2500 fuse used for?

The MERSEN A4BQ2500 is a Class L, time-delay bolt-on fuse rated for 2.5 kA at 600 V AC and 500 V DC. It provides overcurrent protection for industrial equipment such as motor circuits, transformers, and feeders where high interrupting capacity and time-delay characteristics are required.

What are the specifications of the MERSEN A4BQ2500 fuse?

The MERSEN A4BQ2500 is a Class L, A4BQ Series bolt-on fuse with a time-delay characteristic. It is rated for 2.5 kA at 600 V AC and 500 V DC. The bolt-on body design ensures secure mounting in industrial fuse holders or disconnects.

Where to buy the MERSEN A4BQ2500 fuse worldwide?

3G Electric supplies the MERSEN A4BQ2500 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class L time-delay bolt-on fuse.

How to select the correct MERSEN A4BQ2500 fuse for an application?

To select the MERSEN A4BQ2500, verify your circuit voltage does not exceed 600 V AC or 500 V DC, and that the continuous current rating matches your load. The time-delay characteristic accommodates inrush currents from motors or transformers. Always consult the manufacturer's data sheet for coordination and interrupting rating requirements.

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 time-delay bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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