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MERSEN RFS20 Fast-Acting Cylindrical Fuse - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN RFS20 Fast-Acting Cylindrical Fuse

The MERSEN RFS Series RFS20 is a Class H, fast-acting cylindrical fuse rated for 20 A at 600 V AC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits.

SKU 3G-OTH-27260

Also listed as: RFS 20 · RFS-20

Brand
MERSEN
Item
RFS20 Fast-Acting Cylindrical Fuse
Category
Fast-Acting Cylindrical 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
RFS20
Series
RFS

Technical Documents

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

Product Description

The MERSEN RFS Series RFS20 is a Class H, fast-acting cylindrical fuse rated for 20 A at 600 V AC. This non-indicating fuse is designed for overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the MERSEN RFS20 fuse used for?

The MERSEN RFS20 is a Class H, fast-acting cylindrical fuse rated 20 A at 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and branch circuits, where rapid response to short circuits is required.

What are the specifications of the MERSEN RFS20 fuse?

The MERSEN RFS20 is a Class H, fast-acting, non-indicating cylindrical fuse. Its key specs include a current rating of 20 A, a voltage rating of 600 V AC, and it belongs to the RFS series. The manufacturer part number is RFS20.

Where to buy MERSEN RFS20 fuses worldwide?

3G Electric supplies the MERSEN RFS20 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this fast-acting fuse for your overcurrent protection needs.

How to select the right MERSEN RFS fuse for my circuit?

To select the correct MERSEN RFS fuse, match the voltage rating (600 V AC) and current rating (e.g., 20 A for the RFS20) to your circuit requirements. Ensure the fuse is fast-acting for sensitive equipment. Consult a qualified electrician for proper coordination with your system.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
The MERSEN RFS10 is a Class H, fast-acting cylindrical fuse rated 10 A at 600 V AC. It is non-indicating and provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and branch circuits, where rapid response to short circuits is required
MERSEN
The MERSEN RFS10 is a Class H, fast-acting cylindrical fuse rated 10 A at 600 V AC. It is non-indicating and provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and branch circuits, where rapid response to short circuits is required
Class H fast-acting cylindrical fuse rated 25 A and 600 V AC. Non-indicating design from the RFS Series. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits where rapid response to short circuits is required
MERSEN
Class H fast-acting cylindrical fuse rated 25 A and 600 V AC. Non-indicating design from the RFS Series. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and branch circuits where rapid response to short circuits is required
The MERSEN RFS35 is a Class H, fast-acting, non-indicating cylindrical fuse rated at 35 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as those found in motor control centers, transformers, and panelboards
MERSEN
The MERSEN RFS35 is a Class H, fast-acting, non-indicating cylindrical fuse rated at 35 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as those found in motor control centers, transformers, and panelboards
The MERSEN RFS6 is a Class H, fast-acting cylindrical fuse rated for 6 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as motor controllers, transformers, and panelboards. This non-indicating fuse is designed for use in standard cylindrical fuse holders
MERSEN
The MERSEN RFS6 is a Class H, fast-acting cylindrical fuse rated for 6 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as motor controllers, transformers, and panelboards. This non-indicating fuse is designed for use in standard cylindrical fuse holders
The MERSEN RFS15 is a Class H fast-acting cylindrical fuse rated 15 A at 600 V AC. It is non-indicating and designed for overcurrent protection in industrial electrical circuits, such as branch-circuit protection in panels, switchgear, and motor control centers
MERSEN
The MERSEN RFS15 is a Class H fast-acting cylindrical fuse rated 15 A at 600 V AC. It is non-indicating and designed for overcurrent protection in industrial electrical circuits, such as branch-circuit protection in panels, switchgear, and motor control centers
The MERSEN RFS40 is a Class H, fast-acting cylindrical fuse rated for 40 A at 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as branch circuits and equipment, where rapid response to short circuits is required. This non-indicating fuse is part of the RFS series
MERSEN
The MERSEN RFS40 is a Class H, fast-acting cylindrical fuse rated for 40 A at 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as branch circuits and equipment, where rapid response to short circuits is required. This non-indicating fuse is part of the RFS series

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