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3G Electric
MERSEN A4J200 Fast-Acting Bolt-On Fuse - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A4J200 Fast-Acting Bolt-On Fuse

<p>The MERSEN A4J200 is a fast-acting, bolt-on fuse from the A4J series, designed for Class J applications. Rated at 200 A and 600 V AC / 300 V DC, this non-indicating fuse features a blade body for secure mounting…

SKU 3G-OTH-25418

Brand
MERSEN
Item
A4J200 Fast-Acting Bolt-On Fuse
Part Number
A4J200
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A4J200MERSEN
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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

<p>The MERSEN A4J200 is a fast-acting, bolt-on fuse from the A4J series, designed for Class J applications. Rated at 200 A and 600 V AC / 300 V DC, this non-indicating fuse features a blade body for secure mounting. It is suitable for protecting power semiconductors, drives, and other sensitive equipment where fast interruption is critical.</p><p>As a Singapore-based supplier, 3G Electric offers the A4J200 with SGD quotes on request, GST handled for local buyers, and fast delivery across Singapore and Southeast Asia. Worldwide shipping is also available.</p>

Frequently Asked Questions

What are the voltage and current ratings of the MERSEN A4J200?

The MERSEN A4J200 is rated for 200 A and 600 V AC / 300 V DC.

Is the A4J200 a fast-acting fuse and what is its body type?

Yes, it is fast-acting with a blade body, and it is non-indicating. It is a Class J fuse.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
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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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