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MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 70 A, 300 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 70 A, 300 V AC

The MERSEN A30QS Series is a fast-acting bolt-on fuse designed for semiconductor protection. This specific model, part number A30QS70-4, is rated for 70 A and 300 V AC/DC. It is a 300 V DC volt-rated device from the…

SKU 3G-OTH-27708

Brand
MERSEN
Item
Semiconductor Fuse: A30QS Series, Fast-Acting, 70 A, 300 V AC
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A30QS70-4
Series
A30QS
Type
Fast-Acting, 70 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, part number A30QS70-4, is rated for 70 A and 300 V AC/DC. It is a 300 V DC volt-rated device from the A30QS series.

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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