MERSENFast-Acting Bolt-On Fuses
MERSEN Semiconductor Fuse: A30QS Series, Fast-Acting, 600 A, 300 V AC
The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS600-4) is a fast-acting bolt-on fuse rated for 600 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-28093
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS600-4) is a fast-acting bolt-on fuse rated for 600 A at 300 V AC and 300 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power electronic circuits.
Used in
Common applications for MERSENPower 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.















