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MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 100 A, 300 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 100 A, 300 V AC

The MERSEN A30QS Series is a fast-acting bolt-on fuse designed for semiconductor protection. This specific model, the A30QS100-4, is rated for 100 A and 300 V AC/DC. It is a fast-acting fuse with a 300 V DC voltage…

SKU 3G-OTH-25540

Brand
MERSEN
Item
Semiconductor Fuse: A30QS Series, Fast-Acting, 100 A, 300 V AC
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A30QS100-4
Series
A30QS
Type
Fast-Acting, 100 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 is a fast-acting bolt-on fuse designed for semiconductor protection. This specific model, the A30QS100-4, is rated for 100 A and 300 V AC/DC. It is a fast-acting fuse with a 300 V DC voltage rating.

Frequently Asked Questions

What is the MERSEN A30QS100-4 semiconductor fuse used for?

The MERSEN A30QS100-4 is a fast-acting bolt-on fuse designed to protect semiconductor devices like diodes, thyristors, and IGBTs from overcurrent. It is commonly used in power supplies, drives, and industrial control panels where rapid fault clearing is critical to prevent damage to sensitive electronics.

What are the specifications of the MERSEN A30QS100-4 fuse?

The MERSEN A30QS100-4 is a 100 A, 300 V AC/DC fast-acting fuse from the A30QS Series. It has a DC voltage rating of 300 V and uses a bolt-on mounting style. The manufacturer part number is A30QS100-4, and it is designed for semiconductor protection applications.

Where to buy the MERSEN A30QS100-4 fuse worldwide?

3G Electric supplies the MERSEN A30QS100-4 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this fast-acting semiconductor fuse.

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

To select the correct MERSEN A30QS fuse, match the voltage rating (300 V AC/DC) and current rating (100 A for this model) to your circuit requirements. Ensure the fuse is fast-acting to protect semiconductors. Consult the manufacturer's data sheet for interrupting capacity and mounting dimensions.

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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