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MERSEN Semiconductor Fuse: A70Q Series, Fast-Acting, 70 A, 700 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70Q Series, Fast-Acting, 70 A, 700 V AC

The MERSEN A70Q Series is a fast-acting bolt-on semiconductor fuse, model A70Q70-4. It is rated for 70 A, 700 V AC, and 650 V DC. This fuse is designed for AC/DC voltage applications.

SKU 3G-OTH-28152

Also listed as: A70Q704 · A70Q70 4

Brand
MERSEN
Item
Semiconductor Fuse: A70Q Series, Fast-Acting, 70 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
A70Q70-4
Series
A70Q
Type
Fast-Acting, 70 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, model A70Q70-4. It is rated for 70 A, 700 V AC, and 650 V DC. This fuse is designed for AC/DC voltage applications.

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 A70Q70-4 semiconductor fuse used for?

The MERSEN A70Q70-4 is a fast-acting bolt-on fuse designed to protect power semiconductors in AC/DC circuits. It is commonly used in industrial drives, power supplies, and conversion equipment where rapid overcurrent interruption is critical to prevent damage to sensitive components.

What are the specifications of the MERSEN A70Q70-4 fuse?

The MERSEN A70Q70-4 is a 70 A, fast-acting semiconductor fuse from the A70Q Series. It is rated for 700 V AC and 650 V DC, making it suitable for mixed AC/DC voltage applications. The bolt-on design ensures secure mounting in high-vibration industrial environments.

Where to buy the MERSEN A70Q70-4 fuse worldwide?

3G Electric supplies the MERSEN A70Q70-4 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 A70Q70-4 fuse for an application?

To select the MERSEN A70Q70-4, verify your circuit's voltage type (AC/DC) and maximum continuous current. This 70 A fuse is fast-acting, so ensure it coordinates with upstream protection. Always consult the manufacturer's data sheet for I²t values and mounting torque specifications.

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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