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MERSEN A30QS400-4IL Very-Fast-Acting Bolt-On Square Fuse - Very-Fast-Acting Bolt-On Square Fuses
MERSENVery-Fast-Acting Bolt-On Square Fuses

MERSEN A30QS400-4IL Very-Fast-Acting Bolt-On Square Fuse

The MERSEN A30QS Series A30QS400-4IL is a very-fast-acting bolt-on square fuse rated at 400 A, 300 V AC, and 300 V DC. This indicating fuse is designed for AC/DC voltage applications.

SKU 3G-OTH-24332

Also listed as: A30QS4004IL · A30QS400 4IL

Brand
MERSEN
Item
A30QS400-4IL Very-Fast-Acting Bolt-On Square Fuse
Category
Very-Fast-Acting Bolt-On Square Fuses
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
A30QS400-4IL
Series
A30QS
Voltage Type
AC/DC

Technical Documents

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

Product Description

The MERSEN A30QS Series A30QS400-4IL is a very-fast-acting bolt-on square fuse rated at 400 A, 300 V AC, and 300 V DC. This indicating fuse is designed for AC/DC voltage applications.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MERSEN A30QS400-4IL fuse used for?

The MERSEN A30QS400-4IL is a very-fast-acting bolt-on square fuse rated 400 A, 300 V AC/DC. It protects sensitive power electronics, drives, and DC bus circuits from overcurrents. Its indicating feature allows quick visual identification of a blown fuse, reducing downtime in industrial control panels and power distribution systems.

What are the specifications of the MERSEN A30QS400-4IL?

The MERSEN A30QS400-4IL is part of the A30QS series, rated 400 A, 300 V AC and 300 V DC. It is a very-fast-acting, bolt-on square fuse with an indicating function. The voltage type is AC/DC, and the manufacturer part number is A30QS400-4IL. It is designed for overcurrent protection in high-speed switching applications.

Where to buy the MERSEN A30QS400-4IL worldwide?

3G Electric supplies the MERSEN A30QS400-4IL fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this very-fast-acting bolt-on square fuse for AC/DC applications.

How to select the correct MERSEN A30QS400-4IL fuse for an application?

To select the MERSEN A30QS400-4IL, verify your circuit’s continuous current does not exceed 400 A and the system voltage is within 300 V AC or DC. Ensure the bolt-on mounting style matches your fuse holder. This very-fast-acting fuse is ideal for protecting semiconductor devices; consult the manufacturer’s data sheet for coordination with upstream 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 very-fast-acting bolt-on square fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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