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MERSEN Semiconductor Fuse: A70P Series, Very-Fast-Acting, 80 A, 700 V AC - Very-Fast-Acting Bolt-On Fuses
MERSENVery-Fast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A70P Series, Very-Fast-Acting, 80 A, 700 V AC

The MERSEN A70P Series Semiconductor Fuse (MPN AD A70P80-4) is a very-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 industrial…

SKU 3G-OTH-25154

Also listed as: ADA70P804 · AD A70P80 4 · AD-A70P80-4

Brand
MERSEN
Item
Semiconductor Fuse: A70P Series, Very-Fast-Acting, 80 A, 700 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
AD A70P80-4
Series
A70P
Type
Very-Fast-Acting, 80 A
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
650 V

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

Product Description

The MERSEN A70P Series Semiconductor Fuse (MPN AD A70P80-4) is a very-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 industrial equipment.

Frequently Asked Questions

What is the MERSEN A70P semiconductor fuse used for?

The MERSEN A70P series very-fast-acting bolt-on fuse (80 A, 700 V AC, 650 V DC) protects power semiconductors and DC bus circuits in industrial drives, UPS systems, and power supplies. Its high-speed clearing limits fault energy, safeguarding sensitive equipment from overcurrent damage.

What are the specifications of the MERSEN A70P80-4 fuse?

The MERSEN A70P80-4 is a very-fast-acting bolt-on fuse rated 80 A, 700 V AC, and 650 V DC. It belongs to the A70P series with AC/DC voltage type. The manufacturer part number is AD A70P80-4. These ratings ensure reliable overcurrent protection in industrial power electronics.

Where to buy MERSEN A70P fuses worldwide?

3G Electric supplies the MERSEN A70P80-4 semiconductor fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine MERSEN components for industrial applications.

How to select the correct MERSEN A70P fuse for an application?

Select the MERSEN A70P fuse based on continuous current (80 A), system voltage (700 V AC or 650 V DC), and fault-clearing requirements. Ensure the very-fast-acting characteristic matches the inrush profile of your semiconductor load. Consult the fuse's I²t curve and mounting dimensions for proper coordination.

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 very-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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