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MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 800 A, 300 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 800 A, 300 V AC

The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS800-4) is a fast-acting bolt-on fuse rated for 800 A at 300 V AC and 300 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power…

SKU 3G-OTH-26500

Brand
MERSEN
Item
Semiconductor Fuse: A30QS Series, Fast-Acting, 800 A, 300 V AC
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A30QS800-4
Series
A30QS
Type
Fast-Acting, 800 A
AC
300 V
Voltage Type
AC/DC
DC DC Volt Rating
300 V
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS800-4) is a fast-acting bolt-on fuse rated for 800 A at 300 V AC and 300 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the MERSEN A30QS800-4 semiconductor fuse used for?

The MERSEN A30QS800-4 is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits. It is rated for 800 A at 300 V AC and 300 V DC, making it suitable for industrial drives, inverters, and other semiconductor-based equipment requiring reliable short-circuit protection.

What are the specifications of the MERSEN A30QS800-4 fuse?

The MERSEN A30QS800-4 is part of the A30QS series, a fast-acting bolt-on fuse with an AC/DC voltage rating of 300 V AC and 300 V DC. It has a current rating of 800 A and is designed for overcurrent protection in power electronic circuits. The manufacturer part number is A30QS800-4.

Where to buy the MERSEN A30QS800-4 fuse worldwide?

3G Electric supplies the MERSEN A30QS800-4 semiconductor fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to support your power protection needs.

How to select the correct MERSEN A30QS series fuse for my application?

To select the correct MERSEN A30QS series fuse, match the voltage rating (300 V AC/DC) and current rating (e.g., 800 A for the A30QS800-4) to your circuit requirements. Ensure the fast-acting characteristic suits semiconductor protection. Consult the manufacturer's data sheet for interrupting rating and mounting dimensions. 3G Electric can assist with sourcing.

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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