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MERSEN A4J90 Fast-Acting Bolt-On Fuse, Class J, 90 A, 600 V AC / 300 V DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A4J90 Fast-Acting Bolt-On Fuse, Class J, 90 A, 600 V AC / 300 V DC

The MERSEN A4J Series is a fast-acting bolt-on fuse, specifically the Class J, blade body model A4J90. It is rated for 90 A at 600 V AC and 300 V DC, and is non-indicating. This fuse is designed for overcurrent…

SKU 3G-OTH-25822

Brand
MERSEN
Item
A4J90 Fast-Acting Bolt-On Fuse, Class J, 90 A, 600 V AC / 300 V DC
Part Number
A4J90
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A4J90MERSEN
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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
A4J90
Series
A4J
Type
Class J, Blade Body, Fast-Acting, 90 A, Non-Indicating
AC
600 V
DC
300 V

Technical Documents

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

Product Description

The MERSEN A4J Series is a fast-acting bolt-on fuse, specifically the Class J, blade body model A4J90. It is rated for 90 A at 600 V AC and 300 V DC, and is non-indicating. This fuse is designed for overcurrent 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 A4J90 fuse used for?

The MERSEN A4J90 is a fast-acting bolt-on fuse used for overcurrent protection in industrial equipment. It is designed for Class J applications, protecting circuits rated up to 90 A at 600 V AC or 300 V DC. Typical uses include motor control centers, panelboards, and switchgear requiring reliable short-circuit protection.

What are the specifications of the MERSEN A4J90 fuse?

The MERSEN A4J90 is a Class J, blade body, fast-acting fuse rated 90 A at 600 V AC and 300 V DC. It is non-indicating and part of the A4J Series. The manufacturer part number is A4J90. This fuse provides overcurrent protection for industrial circuits and is designed for bolt-on mounting.

Where to buy MERSEN A4J90 fuses worldwide?

3G Electric supplies MERSEN A4J90 fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this fuse for your project. We provide competitive pricing and reliable service for industrial procurement needs.

How to select the correct MERSEN A4J90 fuse for an application?

To select the MERSEN A4J90, verify your circuit's voltage (600 V AC or 300 V DC max) and current rating (90 A). Ensure the fuse is Class J rated for your equipment's short-circuit capacity. The fast-acting characteristic suits circuits with minimal inrush. Always consult the manufacturer's data sheet for coordination with upstream 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.
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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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