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MERSEN Semiconductor Fuse: A70Q Series, Fast-Acting, 150 A, 700 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70Q Series, Fast-Acting, 150 A, 700 V AC

The MERSEN A70Q Series is a fast-acting bolt-on semiconductor fuse designed for AC/DC circuit protection. This specific model, the A70Q150-4, is rated for 150 A at 700 V AC and 650 V DC. It provides overcurrent…

SKU 3G-OTH-25812

Also listed as: A70Q1504 · A70Q150 4

Brand
MERSEN
Item
Semiconductor Fuse: A70Q Series, Fast-Acting, 150 A, 700 V AC
Category
Fast-Acting Bolt-On Fuses
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
A70Q150-4
Series
A70Q
Type
Fast-Acting, 150 A
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
650 V

Technical Documents

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

Product Description

The MERSEN A70Q Series is a fast-acting bolt-on semiconductor fuse designed for AC/DC circuit protection. This specific model, the A70Q150-4, is rated for 150 A at 700 V AC and 650 V DC. It provides overcurrent protection for power electronic devices such as drives and converters.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MERSEN A70Q150-4 semiconductor fuse used for?

The MERSEN A70Q150-4 is a fast-acting bolt-on fuse used for overcurrent protection of power electronic devices such as drives, converters, and UPS systems. It safeguards sensitive semiconductor components from damaging fault currents in AC/DC circuits up to 700 V AC and 650 V DC.

What are the specifications of the MERSEN A70Q150-4 fuse?

The MERSEN A70Q150-4 is a 150 A, fast-acting semiconductor fuse from the A70Q Series. It is rated for 700 V AC and 650 V DC, with a bolt-on mounting style. The manufacturer part number is A70Q150-4, and it is designed for AC/DC circuit protection in industrial power electronics.

Where to buy the MERSEN A70Q150-4 fuse worldwide?

3G Electric supplies the MERSEN A70Q150-4 fuse to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this fast-acting semiconductor fuse.

How to select the right MERSEN A70Q fuse for a drive application?

To select the correct MERSEN A70Q fuse, match the continuous current rating (e.g., 150 A) to the drive's full-load amps, and confirm the voltage rating (700 V AC / 650 V DC) exceeds the system voltage. Always consult the fuse's I²t curve and mounting dimensions to ensure proper coordination and fit.

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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