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3G Electric
MERSEN A30QS200-4 Fast-Acting Bolt-On Fuse, 200 A, 300 V AC/DC - Fast-Acting Bolt-On Fuses
MERSENFast-Acting Bolt-On Fuses

MERSEN A30QS200-4 Fast-Acting Bolt-On Fuse, 200 A, 300 V AC/DC

The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS200-4) is a fast-acting bolt-on fuse rated for 200 A at 300 V AC and 300 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power…

SKU 3G-OTH-25901

Also listed as: A30QS2004 · A30QS200 4

Brand
MERSEN
Item
A30QS200-4 Fast-Acting Bolt-On Fuse, 200 A, 300 V AC/DC
Part Number
A30QS200-4
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:A30QS200-4MERSEN
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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
A30QS200-4
Series
A30QS
Type
Fast-Acting, 200 A
AC
300 V
Voltage Type
AC/DC
DC DC Volt Rating
300 V

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

Product Description

The MERSEN A30QS Series Semiconductor Fuse (MPN A30QS200-4) is a fast-acting bolt-on fuse rated for 200 A at 300 V AC and 300 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the MERSEN A30QS200-4 semiconductor fuse used for?

The MERSEN A30QS200-4 is a fast-acting bolt-on fuse designed for overcurrent protection in power electronic circuits. It is commonly used in industrial equipment such as drives, inverters, and power supplies where rapid response to fault currents is critical to protect sensitive semiconductor components.

What are the specifications of the MERSEN A30QS200-4 fuse?

The MERSEN A30QS200-4 is a 200 A, 300 V AC/300 V DC fast-acting semiconductor fuse from the A30QS series. It features a bolt-on mounting style and is rated for both AC and DC voltage types. The manufacturer part number is A30QS200-4, and it is designed for overcurrent protection in power electronics.

Where to buy the MERSEN A30QS200-4 fuse worldwide?

3G Electric supplies the MERSEN A30QS200-4 semiconductor fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fast-acting bolt-on fuse to customers globally.

How to select the correct MERSEN A30QS series fuse for my application?

To select the correct MERSEN A30QS series fuse, match the voltage rating (300 V AC/DC) and current rating (200 A for the A30QS200-4) to your circuit requirements. Ensure the fuse is fast-acting for semiconductor protection. Consult the manufacturer's data sheet for interrupting capacity and mounting dimensions. 3G Electric can assist with sourcing.

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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