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MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 6 A, 600 V AC - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 6 A, 600 V AC

The MERSEN A4J Series is a fast-acting cylindrical fuse, specifically a Class J fuse with a 6 A current rating, 600 V AC, and 300 V DC voltage ratings (MPN A4J6). This product is designed for overcurrent protection…

SKU 3G-OTH-133127

Brand
MERSEN
Item
Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 6 A, 600 V AC
Category
Fast-Acting Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
A4J6
Type
Class J, Cylindrical Body, Fast-Acting, 6 A
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 cylindrical fuse, specifically a Class J fuse with a 6 A current rating, 600 V AC, and 300 V DC voltage ratings (MPN A4J6). This product is designed for overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the MERSEN A4J6 fuse used for?

The MERSEN A4J6 is a fast-acting Class J cylindrical fuse rated 6 A, 600 V AC, and 300 V DC. It provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and branch circuits, where rapid response to short circuits is required.

What are the specifications of the MERSEN A4J6 fuse?

The MERSEN A4J6 is a Class J, cylindrical-body, fast-acting fuse rated 6 A, 600 V AC, and 300 V DC. Its compact design ensures high interrupting capacity for industrial overcurrent protection. Always verify voltage and current ratings match your application before installation.

Where to buy MERSEN A4J6 fuses worldwide?

3G Electric supplies the MERSEN A4J6 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this Class J fast-acting fuse to any international destination.

How to select the correct MERSEN A4J6 fuse for my circuit?

Select the MERSEN A4J6 fuse by matching its 6 A rating, 600 V AC / 300 V DC voltage, and Class J interrupting capacity to your circuit's requirements. Ensure the fuse holder is rated for Class J dimensions. For overcurrent protection, verify the fuse's fast-acting characteristic suits your load's inrush profile.

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 cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 50 A, 600 V AC, 300 V DC (MPN A4J50)
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 50 A, 600 V AC, 300 V DC (MPN A4J50)
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 20 A, 600 V AC, 300 V DC (MPN A4J20)
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 20 A, 600 V AC, 300 V DC (MPN A4J20)
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 35 A, 600 V AC, 300 V DC (MPN A4J35)
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 35 A, 600 V AC, 300 V DC (MPN A4J35)
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 3 A, 600 V AC, 300 V DC (MPN A4J3)
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 3 A, 600 V AC, 300 V DC (MPN A4J3)
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 25 A, 600 V AC, 300 V DC (MPN A4J25)
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 25 A, 600 V AC, 300 V DC (MPN A4J25)
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 60 A, 600 V AC, 300 V DC (MPN A4J60)
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 60 A, 600 V AC, 300 V DC (MPN A4J60)

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