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MERSEN Semiconductor Fuse: A50P Series, Fast-Acting, 90 A, 500 V AC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Semiconductor Fuse: A50P Series, Fast-Acting, 90 A, 500 V AC

The MERSEN A50P Series Semiconductor Fuse (MPN A50QS90-4) is a fast-acting bolt-on fuse rated at 90 A and 500 V AC/500 V DC. Designed for AC/DC voltage types, this fuse provides overcurrent protection for power…

SKU 3G-OTH-25510

Also listed as: A50QS904 · A50QS90 4

Brand
MERSEN
Item
Semiconductor Fuse: A50P Series, Fast-Acting, 90 A, 500 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
A50QS90-4
Series
A50P
Type
Fast-Acting, 90 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 A50QS90-4) is a fast-acting bolt-on fuse rated at 90 A and 500 V AC/500 V DC. Designed for AC/DC voltage types, this fuse provides overcurrent protection for power electronic circuits.

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 A50P semiconductor fuse used for?

The MERSEN A50P Series fast-acting fuse (A50QS90-4) protects power electronic circuits such as variable-speed drives, UPS systems, and rectifiers from overcurrent. Its 90 A rating and 500 V AC/DC capability make it suitable for industrial equipment requiring reliable short-circuit protection.

What are the specifications of the MERSEN A50QS90-4 fuse?

The MERSEN A50QS90-4 is a fast-acting bolt-on fuse from the A50P Series. It is rated at 90 A with a voltage rating of 500 V AC and 500 V DC. The fuse is designed for AC/DC voltage types and provides overcurrent protection for semiconductor circuits.

Where to buy MERSEN A50P fuses worldwide?

3G Electric supplies the MERSEN A50P Series fuse (A50QS90-4) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. 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 (90 A max) and voltage (500 V AC or DC). Ensure the fast-acting characteristic matches your semiconductor’s I²t withstand capability. Consult the manufacturer’s data sheet for coordination with upstream protection devices.

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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