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MERSEN Semiconductor Fuse: A70Q Series, Fast-Acting, 80 A, 700 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70Q Series, Fast-Acting, 80 A, 700 V AC

The MERSEN A70Q Series Semiconductor Fuse (MPN A70Q80-4) is a fast-acting bolt-on fuse rated at 80 A, 700 V AC, and 650 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic…

SKU 3G-OTH-25462

Brand
MERSEN
Item
Semiconductor Fuse: A70Q Series, Fast-Acting, 80 A, 700 V AC
Category
Fast-Acting Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A70Q80-4
Series
A70Q
Type
Fast-Acting, 80 A
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
650 V
View Full Spec Sheet

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

Product Description

The MERSEN A70Q Series Semiconductor Fuse (MPN A70Q80-4) is a fast-acting bolt-on fuse rated at 80 A, 700 V AC, and 650 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the MERSEN A70Q80-4 semiconductor fuse used for?

The MERSEN A70Q80-4 is a fast-acting bolt-on fuse designed for overcurrent protection in power electronic circuits. It is commonly used in variable frequency drives, UPS systems, and other AC/DC equipment where rapid clearing of fault currents is required to protect sensitive semiconductor components.

What are the specifications of the MERSEN A70Q80-4 fuse?

The MERSEN A70Q80-4 is a 80 A, 700 V AC, 650 V DC fast-acting bolt-on fuse from the A70Q series. It supports both AC and DC voltage types and is designed for overcurrent protection in power electronics. The manufacturer part number is A70Q80-4.

Where to buy the MERSEN A70Q80-4 fuse worldwide?

3G Electric supplies the MERSEN A70Q80-4 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to any country.

How to select the correct MERSEN A70Q80-4 fuse for my application?

To select the correct MERSEN A70Q80-4 fuse, verify your circuit's voltage (700 V AC or 650 V DC max) and continuous current (80 A). Ensure the fuse's fast-acting characteristic matches your semiconductor's I²t requirements. Always consult the manufacturer's data sheet for coordination with your specific power electronic equipment.

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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