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MERSEN A70QS50-22FI Fast-Acting Bolt-On Semiconductor Fuse - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A70QS50-22FI Fast-Acting Bolt-On Semiconductor Fuse

The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse with a 50 A current rating, 690 V AC and 700 V DC voltage ratings, and an indicating feature (MPN A70QS50-22FI). This AC/DC fuse is designed for…

SKU 3G-OTH-28222

Also listed as: A70QS5022FI · A70QS50 22FI

Brand
MERSEN
Item
A70QS50-22FI Fast-Acting Bolt-On Semiconductor Fuse
Part Number
A70QS50-22FI
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A70QS50-22FIMERSEN
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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
A70QS50-22FI
Series
A70QS
Type
Fast-Acting, 50 A, Indicating
AC
690 V
Voltage Type
AC/DC
DC DC Volt Rating
700 V

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

Product Description

The MERSEN A70QS Series is a fast-acting bolt-on semiconductor fuse with a 50 A current rating, 690 V AC and 700 V DC voltage ratings, and an indicating feature (MPN A70QS50-22FI). This AC/DC fuse is designed for overcurrent protection in 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 A70QS50-22FI semiconductor fuse used for?

The MERSEN A70QS50-22FI is a fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits, such as variable frequency drives, rectifiers, and UPS systems. Its 50 A rating and 690 V AC / 700 V DC voltage ratings make it suitable for industrial equipment requiring reliable short-circuit protection.

What are the specifications of the MERSEN A70QS50-22FI fuse?

The MERSEN A70QS50-22FI is a fast-acting semiconductor fuse from the A70QS series. It has a current rating of 50 A, AC voltage rating of 690 V, DC voltage rating of 700 V, and an indicating feature. It is a bolt-on design for secure mounting in power electronic applications.

Where to buy the MERSEN A70QS50-22FI fuse worldwide?

You can source the MERSEN A70QS50-22FI fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this fast-acting semiconductor fuse.

How to select the correct MERSEN A70QS series fuse for my application?

To select the correct MERSEN A70QS fuse, match the voltage rating (AC/DC) and current rating to your circuit requirements. The A70QS50-22FI is rated 50 A, 690 V AC, and 700 V DC. Ensure the bolt-on mounting fits your panel. Consult the manufacturer's data sheet for coordination with your 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.
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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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