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MERSEN Fuse: Class H, RFS Series, Fast-Acting, 40 A, 600 V AC - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Fuse: Class H, RFS Series, Fast-Acting, 40 A, 600 V AC

The MERSEN RFS Series RFS40 is a Class H, fast-acting cylindrical fuse rated for 40 A at 600 V AC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits.

SKU 3G-OTH-27583

Brand
MERSEN
Item
Fuse: Class H, RFS Series, Fast-Acting, 40 A, 600 V AC
Category
Fast-Acting Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
RFS40
Series
RFS
View Full Spec Sheet

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

Product Description

The MERSEN RFS Series RFS40 is a Class H, fast-acting cylindrical fuse rated for 40 A at 600 V AC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits.

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 RFS40 fuse used for?

The MERSEN RFS40 is a Class H, fast-acting cylindrical fuse used for overcurrent protection in industrial electrical circuits. It is rated 40 A at 600 V AC and is non-indicating, making it suitable for branch circuits and equipment where rapid response to short circuits is required.

What are the specifications of the MERSEN RFS40 fuse?

The MERSEN RFS40 is a Class H, fast-acting fuse from the RFS series. It has a current rating of 40 A and a voltage rating of 600 V AC. The fuse is non-indicating and cylindrical in shape. The manufacturer part number is RFS40, and it is designed for overcurrent protection in industrial applications.

Where to buy the MERSEN RFS40 fuse worldwide?

You can source the MERSEN RFS40 fuse worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide reliable sourcing for this MERSEN fuse.

How to select the correct MERSEN RFS40 fuse for an application?

To select the correct MERSEN RFS40 fuse, verify that your circuit voltage does not exceed 600 V AC and that the continuous current is at or below 40 A. Ensure the fuse is fast-acting for sensitive equipment. Always consult the manufacturer's data sheet for interrupting rating and 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 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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