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MERSEN Semiconductor Fuse: A50P Series, Fast-Acting, 700 A, 500 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A50P Series, Fast-Acting, 700 A, 500 V AC

The MERSEN A50P Series Semiconductor Fuse (MPN A50QS700-4) is a fast-acting bolt-on fuse rated at 700 A, 500 V AC, and 500 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic…

SKU 3G-OTH-27341

Also listed as: A50QS7004 · A50QS700 4

Brand
MERSEN
Item
Semiconductor Fuse: A50P Series, Fast-Acting, 700 A, 500 V AC
Category
Fast-Acting Bolt-On Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
A50QS700-4
Series
A50P
Type
Fast-Acting, 700 A
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V

Technical Documents

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

Product Description

The MERSEN A50P Series Semiconductor Fuse (MPN A50QS700-4) is a fast-acting bolt-on fuse rated at 700 A, 500 V AC, and 500 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the MERSEN A50P Series Semiconductor Fuse used for?

The MERSEN A50P Series Semiconductor Fuse (A50QS700-4) provides fast-acting overcurrent protection for power electronic circuits such as drives, inverters, and UPS systems. Its 700 A rating and 500 V AC/DC capability make it suitable for industrial equipment requiring reliable short-circuit interruption.

What are the specifications of the MERSEN A50QS700-4 fuse?

The MERSEN A50QS700-4 is a fast-acting bolt-on fuse from the A50P Series. It is rated at 700 A, 500 V AC, and 500 V DC. The voltage type is AC/DC, and the manufacturer part number is A50QS700-4. It is designed for overcurrent protection in semiconductor circuits.

Where to buy MERSEN A50P fuses worldwide?

3G Electric supplies the MERSEN A50P Series fuse (A50QS700-4) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fast-acting semiconductor fuse.

How to select the right MERSEN A50P fuse for my application?

Select the MERSEN A50P fuse based on your circuit's continuous current (700 A max), voltage rating (500 V AC or DC), and fault current requirements. Ensure the fuse's fast-acting characteristic matches the inrush profile of your semiconductor devices. Consult the manufacturer's data sheet for I²t and breaking capacity.

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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