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MERSEN Semiconductor Fuse: A15QS Series, Fast-Acting, 300 A, 150 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A15QS Series, Fast-Acting, 300 A, 150 V AC

The MERSEN A15QS Series Semiconductor Fuse (MPN A15QS300-4) is a fast-acting bolt-on fuse rated at 300 A, 150 V AC, and 150 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power…

SKU 3G-OTH-26032

Also listed as: A15QS3004 · A15QS300 4

Brand
MERSEN
Item
Semiconductor Fuse: A15QS Series, Fast-Acting, 300 A, 150 V AC
Category
Fast-Acting Bolt-On Fuses
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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
A15QS300-4
Series
A15QS
Type
Fast-Acting, 300 A
AC
150 V
Voltage Type
AC/DC
DC DC Volt Rating
150 V

Technical Documents

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

Product Description

The MERSEN A15QS Series Semiconductor Fuse (MPN A15QS300-4) is a fast-acting bolt-on fuse rated at 300 A, 150 V AC, and 150 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the MERSEN A15QS300-4 semiconductor fuse used for?

The MERSEN A15QS300-4 is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as drives, inverters, and UPS systems. It protects sensitive semiconductor devices by quickly clearing faults at 300 A and 150 V AC/DC.

What are the specifications of the MERSEN A15QS300-4 fuse?

The MERSEN A15QS300-4 is a fast-acting semiconductor fuse rated at 300 A, 150 V AC, and 150 V DC. It belongs to the A15QS series, has a bolt-on design, and is suitable for AC/DC voltage applications. The manufacturer part number is A15QS300-4.

Where to buy the MERSEN A15QS300-4 fuse worldwide?

You can source the MERSEN A15QS300-4 fuse 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.

How to select the correct MERSEN A15QS300-4 fuse for my application?

To select the correct MERSEN A15QS300-4 fuse, verify your circuit's voltage (150 V AC or DC) and continuous current (300 A). Ensure the fast-acting characteristic matches your semiconductor's protection needs. Always consult the manufacturer's data sheet for coordination and mounting details.

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 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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