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MERSEN Fuse: HSJ Series, Class J, Cylindrical Body, Very-Fast-Acting, 40 A, 600 V AC - Very-Fast-Acting Cylindrical Fuses
MERSENVery-Fast-Acting Cylindrical Fuses

MERSEN Fuse: HSJ Series, Class J, Cylindrical Body, Very-Fast-Acting, 40 A, 600 V AC

The MERSEN HSJ Series is a very-fast-acting cylindrical fuse, Class J, with a 40 A rating at 600 V AC and 500 V DC (MPN HSJ40). This MERSEN fuse provides overcurrent protection for industrial equipment.

SKU 3G-OTH-24830

Brand
MERSEN
Item
Fuse: HSJ Series, Class J, Cylindrical Body, Very-Fast-Acting, 40 A, 600 V AC
Category
Very-Fast-Acting Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
HSJ40
Series
HSJ
Type
Class J, Cylindrical Body, Very-Fast-Acting, 40 A
AC
600 V
DC
500 V
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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN HSJ Series is a very-fast-acting cylindrical fuse, Class J, with a 40 A rating at 600 V AC and 500 V DC (MPN HSJ40). This MERSEN fuse provides overcurrent protection for industrial equipment.

Frequently Asked Questions

What is the MERSEN HSJ40 fuse used for?

The MERSEN HSJ40 is a very-fast-acting Class J cylindrical fuse rated 40 A at 600 V AC and 500 V DC. It provides overcurrent protection for industrial equipment such as motor control centers, panelboards, and power supplies where rapid clearing of short circuits is required.

What are the specifications of the MERSEN HSJ40 fuse?

The MERSEN HSJ40 is a Class J, cylindrical-body, very-fast-acting fuse rated 40 A, 600 V AC, and 500 V DC. It is part of the HSJ series and carries the manufacturer part number HSJ40. These ratings ensure reliable overcurrent protection in demanding industrial circuits.

Where to buy MERSEN HSJ40 fuses worldwide?

3G Electric supplies the MERSEN HSJ40 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class J, 40 A, 600 V AC / 500 V DC fuse.

How to select the right MERSEN HSJ series fuse for an application?

To select the correct MERSEN HSJ series fuse, match the voltage rating (600 V AC or 500 V DC) and current rating (e.g., 40 A for HSJ40) to your circuit requirements. Ensure the Class J rejection-style holder is used. Consult the manufacturer's time-current curve for coordination with upstream devices.

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 cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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