Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 15 A, 600 V AC - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 15 A, 600 V AC

The MERSEN A4J Series is a fast-acting cylindrical fuse with a Class J body, rated at 15 A, 600 V AC, and 300 V DC (MPN A4J15). This industrial fuse is designed for overcurrent protection in electrical circuits.

SKU 3G-OTH-133113

Brand
MERSEN
Item
Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 15 A, 600 V AC
Category
Fast-Acting Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MERSEN
Manufacturer Part Number
A4J15
Type
Class J, Cylindrical Body, Fast-Acting, 15 A
AC
600 V
DC
300 V
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MERSEN A4J Series is a fast-acting cylindrical fuse with a Class J body, rated at 15 A, 600 V AC, and 300 V DC (MPN A4J15). This industrial fuse is designed for overcurrent protection in electrical circuits.

Frequently Asked Questions

What is the MERSEN A4J15 fuse used for?

The MERSEN A4J15 is a fast-acting cylindrical fuse used for overcurrent protection in industrial electrical circuits. It is rated at 15 A, 600 V AC, and 300 V DC, making it suitable for protecting branch circuits, motors, and control panels from short circuits and overloads.

What are the specifications of the MERSEN A4J15 fuse?

The MERSEN A4J15 is a Class J, fast-acting cylindrical fuse with a 15 A current rating, 600 V AC and 300 V DC voltage ratings. It is part of the A4J series and has a cylindrical body designed for reliable overcurrent protection in industrial applications.

Where to buy MERSEN A4J15 fuses worldwide?

You can source the MERSEN A4J15 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine MERSEN components for your electrical protection needs.

How to select the correct MERSEN A4J fuse for my application?

To select the correct MERSEN A4J fuse, match the voltage rating (600 V AC or 300 V DC) and current rating (15 A for the A4J15) to your circuit requirements. Ensure the Class J body fits your fuse holder and that the fast-acting characteristic suits sensitive equipment needing rapid overcurrent interruption.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 20 A, 600 V AC, 300 V DC (MPN A4J20). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 20 A, 600 V AC, 300 V DC (MPN A4J20). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 25 A, 600 V AC, 300 V DC (MPN A4J25). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 25 A, 600 V AC, 300 V DC (MPN A4J25). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 6 A, 600 V AC, 300 V DC (MPN A4J6). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 6 A, 600 V AC, 300 V DC (MPN A4J6). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 35 A, 600 V AC, 300 V DC (MPN A4J35). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 35 A, 600 V AC, 300 V DC (MPN A4J35). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 3 A, 600 V AC, 300 V DC (MPN A4J3). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 3 A, 600 V AC, 300 V DC (MPN A4J3). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 50 A, 600 V AC, 300 V DC (MPN A4J50). Key specifications — attr1287274: A4J; attr211200: MERSEN.
MERSEN
MERSEN Fuse: A4J Series, Class J, Cylindrical Body, Fast-Acting, 50 A, 600 V AC, 300 V DC (MPN A4J50). Key specifications — attr1287274: A4J; attr211200: MERSEN.

More from MERSEN

View all MERSEN parts →
MERSEN Fuse: GSD Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN GSD2). Key specifications — Brand: MERSEN; Series: GSD; Equivalent Fuse Series: GDA, S501, 216 & GSD.
MERSEN
MERSEN Fuse: GSD Series, Fast-Acting, 2 A, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN GSD2). Key specifications — Brand: MERSEN; Series: GSD; Equivalent Fuse Series: GDA, S501, 216 & GSD.
Solar Fuse: HP15MxxR Series, Gen Purpose, 15 A, 1.5 kV DC (MPN HP15M15R). Key specifications — Series: HP15MxxR; Brand: MERSEN.
MERSEN
Solar Fuse: HP15MxxR Series, Gen Purpose, 15 A, 1.5 kV DC (MPN HP15M15R). Key specifications — Series: HP15MxxR; Brand: MERSEN.
MERSEN Fuse: SBS Series, Midget, Fast-Acting, 600 mA, 600 V AC, 13/32 in x 1 3/8 in, Non-Indicating (MPN SBS8/10). Key specifications — attr1287209: SBS; attr211192: MERSEN.
MERSEN
MERSEN Fuse: SBS Series, Midget, Fast-Acting, 600 mA, 600 V AC, 13/32 in x 1 3/8 in, Non-Indicating (MPN SBS8/10). Key specifications — attr1287209: SBS; attr211192: MERSEN.
Solar Fuse: HP15P Series, Gen Purpose, 40 A, 1.5 kV DC (MPN HP15P40). Key specifications — Series: HP15P; Brand: MERSEN.
MERSEN
Solar Fuse: HP15P Series, Gen Purpose, 40 A, 1.5 kV DC (MPN HP15P40). Key specifications — Series: HP15P; Brand: MERSEN.
MERSEN Fuse: GGM Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GGM2). Key specifications — attr211187: MERSEN; attr1287207: GGM.
MERSEN
MERSEN Fuse: GGM Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GGM2). Key specifications — attr211187: MERSEN; attr1287207: GGM.
MERSEN Fuse: Class H, RF Series, Fast-Acting, 15 A, 250 V AC, Non-Indicating (MPN RF15). Key specifications — Manufacturer Part Number: RF15; Brand: MERSEN; Series: RF.
MERSEN
MERSEN Fuse: Class H, RF Series, Fast-Acting, 15 A, 250 V AC, Non-Indicating (MPN RF15). Key specifications — Manufacturer Part Number: RF15; Brand: MERSEN; Series: RF.
Solar Fuse: DCT Series, Fast-Acting, 12 A, 1,000 V DC (MPN DCT12-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN
Solar Fuse: DCT Series, Fast-Acting, 12 A, 1,000 V DC (MPN DCT12-2). Key specifications — Series: DCT; Brand: MERSEN; Voltage Compatability: AC/DC.
MERSEN Fuse: ATM Series, Midget, Fast-Acting, 500 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN ATM1/2). Key specifications — attr1287209: ATM; attr211192: MERSEN.
MERSEN
MERSEN Fuse: ATM Series, Midget, Fast-Acting, 500 mA, 600 V AC, 600 V DC, 13/32 in x 1 1/2 in (MPN ATM1/2). Key specifications — attr1287209: ATM; attr211192: MERSEN.