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MERSEN A50QS800-4 Fast-Acting Bolt-On Fuse, 800 A, 500 V AC/DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A50QS800-4 Fast-Acting Bolt-On Fuse, 800 A, 500 V AC/DC

The MERSEN A50P Series Semiconductor Fuse (MPN A50QS800-4) is a fast-acting bolt-on fuse rated at 800 A and 500 V AC/DC. This AC/DC voltage type fuse is designed for semiconductor protection in industrial equipment.

SKU 3G-OTH-26535

Also listed as: A50QS8004 · A50QS800 4

Brand
MERSEN
Item
A50QS800-4 Fast-Acting Bolt-On Fuse, 800 A, 500 V AC/DC
Part Number
A50QS800-4
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A50QS800-4MERSEN
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Technical specs
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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
A50QS800-4
Series
A50P
Type
Fast-Acting, 800 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 A50QS800-4) is a fast-acting bolt-on fuse rated at 800 A and 500 V AC/DC. This AC/DC voltage type fuse is designed for semiconductor protection in industrial equipment.

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 A50QS800-4 semiconductor fuse used for?

The MERSEN A50QS800-4 is a fast-acting bolt-on fuse rated at 800 A and 500 V AC/DC. It protects semiconductor devices in industrial equipment such as drives, power supplies, and converters from overcurrent faults.

What are the specifications of the MERSEN A50P series fuse?

The MERSEN A50P series fuse (MPN A50QS800-4) is fast-acting, bolt-on, rated 800 A, 500 V AC, and 500 V DC. It is an AC/DC voltage type fuse designed for semiconductor protection in industrial applications.

Where to buy the MERSEN A50QS800-4 fuse worldwide?

3G Electric supplies the MERSEN A50QS800-4 semiconductor fuse worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this fast-acting 800 A, 500 V AC/DC fuse.

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

Select the MERSEN A50P fuse based on voltage rating (500 V AC/DC), current rating (800 A), and fast-acting characteristics. Ensure the fuse’s interrupting rating exceeds the available fault current. Consult the manufacturer’s data sheet for coordination with your semiconductor circuit.

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.
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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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