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MERSEN A15QS125-4 Fast-Acting Bolt-On Fuse, 125 A, 150 V AC/DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A15QS125-4 Fast-Acting Bolt-On Fuse, 125 A, 150 V AC/DC

The MERSEN A15QS Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The A15QS125-4 model is rated for 125 A at 150 V AC and 150 V DC. This fuse provides overcurrent protection…

SKU 3G-OTH-27605

Also listed as: A15QS1254 · A15QS125 4

Brand
MERSEN
Item
A15QS125-4 Fast-Acting Bolt-On Fuse, 125 A, 150 V AC/DC
Part Number
A15QS125-4
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A15QS125-4MERSEN
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Technical Specifications

MERSEN
Manufacturer Part Number
A15QS125-4
Series
A15QS
Type
Fast-Acting, 125 A
AC
150 V
Voltage Type
AC/DC
DC DC Volt Rating
150 V

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A15QS Series Semiconductor Fuse is a fast-acting bolt-on fuse designed for AC/DC applications. The A15QS125-4 model is rated for 125 A at 150 V AC and 150 V DC. This fuse provides overcurrent protection for power electronic circuits.

Frequently Asked Questions

What is the MERSEN A15QS125-4 semiconductor fuse used for?

The MERSEN A15QS125-4 is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits. It is commonly applied in AC/DC systems such as drives, inverters, and power supplies where rapid fault clearing is required to protect sensitive semiconductor devices.

What are the specifications of the MERSEN A15QS125-4 fuse?

The MERSEN A15QS125-4 is a semiconductor fuse from the A15QS Series. It is rated for 125 A at 150 V AC and 150 V DC. The fuse is fast-acting with a bolt-on design, suitable for AC/DC applications. The manufacturer part number is A15QS125-4.

Where to buy the MERSEN A15QS125-4 fuse worldwide?

You can source the MERSEN A15QS125-4 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this MERSEN fuse.

How to select the correct MERSEN A15QS fuse for your application?

To select the correct MERSEN A15QS fuse, match the voltage rating (150 V AC/DC) and current rating (125 A for the A15QS125-4) to your circuit requirements. Ensure the fast-acting characteristic aligns with the inrush current of your semiconductor load. Consult the fuse's time-current curve for coordination.

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 fast-acting 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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