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MERSEN A30QS500-4IL Very-Fast-Acting Bolt-On Square Fuse - Very-Fast-Acting Bolt-On Square Fuses
MERSENVery-Fast-Acting Bolt-On Square Fuses

MERSEN A30QS500-4IL Very-Fast-Acting Bolt-On Square Fuse

The MERSEN A30QS Series A30QS500-4IL is a very-fast-acting bolt-on square fuse with a 500 A rating and 300 V AC/300 V DC voltage ratings. This indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-24314

Also listed as: A30QS5004IL · A30QS500 4IL

Brand
MERSEN
Item
A30QS500-4IL Very-Fast-Acting Bolt-On Square Fuse
Category
Very-Fast-Acting Bolt-On Square 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
A30QS500-4IL
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 A30QS500-4IL is a very-fast-acting bolt-on square fuse with a 500 A rating and 300 V AC/300 V DC voltage ratings. This indicating fuse is designed for overcurrent protection in industrial equipment.

Frequently Asked Questions

What is the MERSEN A30QS500-4IL fuse used for?

The MERSEN A30QS500-4IL is a very-fast-acting bolt-on square fuse used for overcurrent protection in industrial equipment. It is rated 500 A at 300 V AC/DC and features an indicating function to quickly identify a blown fuse, minimizing downtime in power distribution and control panels.

What are the specifications of the MERSEN A30QS500-4IL?

The MERSEN A30QS500-4IL is part of the A30QS series, rated 500 A with 300 V AC and 300 V DC voltage ratings. It is a very-fast-acting, bolt-on square fuse with an indicating design. The voltage type is AC/DC, and the manufacturer part number is A30QS500-4IL.

Where to buy the MERSEN A30QS500-4IL worldwide?

You can source the MERSEN A30QS500-4IL through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine MERSEN fuses for industrial applications.

How to select the correct MERSEN A30QS fuse for an application?

To select the correct MERSEN A30QS fuse, match the voltage rating (300 V AC/DC) and current rating (500 A for the A30QS500-4IL) to your circuit requirements. Ensure the very-fast-acting characteristic suits sensitive equipment. Verify physical dimensions and bolt-on mounting style fit your fuse holder. Consult MERSEN application guides for coordination.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Fast-acting bolt-on fuse rated 20 A at 300 V AC and 300 V DC. Designed for semiconductor protection in industrial power equipment such as variable frequency drives, rectifiers, and power supplies
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Fast-acting bolt-on fuse rated 20 A at 300 V AC and 300 V DC. Designed for semiconductor protection in industrial power equipment such as variable frequency drives, rectifiers, and power supplies
Fast-acting bolt-on fuse rated 5 A at 300 V AC/DC. Designed for overcurrent protection in power electronic circuits such as variable frequency drives, rectifiers, and UPS systems. Part of the A30QS series
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Fast-acting bolt-on fuse rated 5 A at 300 V AC/DC. Designed for overcurrent protection in power electronic circuits such as variable frequency drives, rectifiers, and UPS systems. Part of the A30QS series
Fast-acting bolt-on fuse rated 25 A at 300 V AC and 300 V DC. Designed for overcurrent protection in power electronic equipment such as drives, inverters, and rectifiers
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Fast-acting bolt-on fuse rated 25 A at 300 V AC and 300 V DC. Designed for overcurrent protection in power electronic equipment such as drives, inverters, and rectifiers
Fast-acting bolt-on fuse rated 500 A at 300 V AC and 300 V DC. Designed for overcurrent protection in power electronic circuits such as drives, inverters, and UPS systems
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Fast-acting bolt-on fuse rated 500 A at 300 V AC and 300 V DC. Designed for overcurrent protection in power electronic circuits such as drives, inverters, and UPS systems

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Very-fast-acting bolt-on square fuse from the A30QS Series. Rated 200 A, 300 V AC and 300 V DC. Features an indicator for visual blown-fuse detection. Suitable for overcurrent protection in AC/DC circuits and power electronics
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Very-fast-acting bolt-on square fuse from the A30QS Series. Rated 200 A, 300 V AC and 300 V DC. Features an indicator for visual blown-fuse detection. Suitable for overcurrent protection in AC/DC circuits and power electronics
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The MERSEN A30QS300-4IL is a very-fast-acting bolt-on square fuse from the A30QS Series, rated at 300 A with 300 V AC and 300 V DC voltage ratings. It features an indicating function for visual blown-fuse identification. This fuse is used for overcurrent protection in AC/DC power systems, such as industrial equipment, DC drives, and power conversion units
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The MERSEN A30QS300-4IL is a very-fast-acting bolt-on square fuse from the A30QS Series, rated at 300 A with 300 V AC and 300 V DC voltage ratings. It features an indicating function for visual blown-fuse identification. This fuse is used for overcurrent protection in AC/DC power systems, such as industrial equipment, DC drives, and power conversion units
Very-fast-acting bolt-on square fuse from the A30QS Series, rated 150 A at 300 V AC and 300 V DC. Features an indicating function for visual blown-fuse detection. Suitable for overcurrent protection in power supplies, drives, and control panels
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Very-fast-acting bolt-on square fuse from the A30QS Series, rated 150 A at 300 V AC and 300 V DC. Features an indicating function for visual blown-fuse detection. Suitable for overcurrent protection in power supplies, drives, and control panels
Very-fast-acting bolt-on square fuse from the A30QS series, rated 600 A at 300 V AC and 300 V DC. Features an indicating function for visual blown-fuse detection. Suitable for overcurrent protection in industrial power supplies and DC drives
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Very-fast-acting bolt-on square fuse from the A30QS series, rated 600 A at 300 V AC and 300 V DC. Features an indicating function for visual blown-fuse detection. Suitable for overcurrent protection in industrial power supplies and DC drives
Very-fast-acting bolt-on square fuse rated 700 A at 300 V AC and 300 V DC. Features an indicator for blown fuse detection. Used for overcurrent protection in power electronics, drives, and DC bus circuits requiring rapid fault clearing
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Very-fast-acting bolt-on square fuse rated 700 A at 300 V AC and 300 V DC. Features an indicator for blown fuse detection. Used for overcurrent protection in power electronics, drives, and DC bus circuits requiring rapid fault clearing
Very-fast-acting bolt-on square fuse rated 800 A at 300 V AC and 300 V DC. Features indicating function for visual blown-fuse indication. Suitable for overcurrent protection in industrial equipment requiring rapid response to faults
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Very-fast-acting bolt-on square fuse rated 800 A at 300 V AC and 300 V DC. Features indicating function for visual blown-fuse indication. Suitable for overcurrent protection in industrial equipment requiring rapid response to faults