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MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 200 A, 600 V AC, 300 V DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 200 A, 600 V AC, 300 V DC

The MERSEN A4J Series is a fast-acting, bolt-on fuse with a Class J blade body, rated 200 A at 600 V AC and 300 V DC. This non-indicating fuse (MPN A4J200) provides overcurrent protection for industrial equipment…

SKU 3G-OTH-25418

Brand
MERSEN
Item
Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 200 A, 600 V AC, 300 V DC
Category
Fast-Acting Bolt-On Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MERSEN
Manufacturer Part Number
A4J200
Series
A4J
Type
Class J, Blade Body, Fast-Acting, 200 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 with a Class J blade body, rated 200 A at 600 V AC and 300 V DC. This non-indicating fuse (MPN A4J200) provides overcurrent protection for industrial equipment. Its compact design enables straightforward installation in distribution panels and motor control centers.

Frequently Asked Questions

What is the MERSEN A4J200 fuse used for?

The MERSEN A4J200 is a fast-acting, bolt-on Class J fuse rated 200 A at 600 V AC and 300 V DC. It provides overcurrent protection for industrial equipment such as distribution panels and motor control centers, safeguarding circuits from short circuits and overloads.

What are the specifications of the MERSEN A4J200 fuse?

The MERSEN A4J200 is a Class J, blade-body, fast-acting, non-indicating fuse rated 200 A at 600 V AC and 300 V DC. It is part of the A4J Series with MPN A4J200. Its compact design enables straightforward installation in industrial panels and motor control centers.

Where to buy MERSEN A4J200 fuses worldwide?

3G Electric supplies MERSEN A4J200 fuses worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this fuse for your industrial overcurrent protection needs.

How to install a MERSEN A4J200 fuse?

To install a MERSEN A4J200 fuse, ensure the circuit is de-energized. Bolt the fuse securely into the Class J fuse holder, verifying the 200 A rating matches the circuit requirements. Follow standard electrical safety practices and manufacturer guidelines for proper overcurrent protection.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 400 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J400)
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MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 400 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J400)
MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 150 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J150)
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MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 150 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J150)
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MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 110 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J110)
MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 300 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J300)
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MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 300 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J300)
MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 125 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J125)
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MERSEN Fuse: A4J Series, Class J, Blade Body, Fast-Acting, 125 A, 600 V AC, 300 V DC, Non-Indicating (MPN A4J125)

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