Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
MERSEN GFN20 Time-Delay Cylindrical Fuse - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN GFN20 Time-Delay Cylindrical Fuse

The MERSEN GFN Series is a time-delay cylindrical fuse, specifically a midget type rated at 20 A and 32 V AC. This indicating fuse has dimensions of 13/32 in x 1 1/2 in and is identified by manufacturer part number…

SKU 3G-OTH-24926

Also listed as: GFN 20 · GFN-20

Brand
MERSEN
Item
GFN20 Time-Delay Cylindrical Fuse
Part Number
GFN20
Category
Time-Delay Cylindrical Fuses
Available to Order
Also known as:GFN20MERSEN
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
GFN20
Series
GFN
Type
Midget, Time-Delay, 20 A, 13/32 in x 1 1/2 in, Indicating
AC
32 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MERSEN GFN Series is a time-delay cylindrical fuse, specifically a midget type rated at 20 A and 32 V AC. This indicating fuse has dimensions of 13/32 in x 1 1/2 in and is identified by manufacturer part number GFN20.

Frequently Asked Questions

What is the MERSEN GFN20 fuse used for?

The MERSEN GFN20 is a time-delay midget fuse rated 20 A at 32 V AC, used to protect electrical circuits from overcurrent while tolerating temporary inrush currents. Its indicating feature allows quick visual identification of a blown fuse, common in control panels and industrial equipment.

What are the specifications of the MERSEN GFN20 fuse?

The MERSEN GFN20 is a GFN Series, midget, time-delay fuse rated 20 A, 32 V AC, with dimensions 13/32 in x 1 1/2 in. It is an indicating type, meaning it shows when blown. The manufacturer part number is GFN20.

Where to buy the MERSEN GFN20 fuse worldwide?

3G Electric supplies the MERSEN GFN20 fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this and other MERSEN fuses to your location. Contact us for a quote and delivery options.

How to select a time-delay fuse like the MERSEN GFN20?

Select a time-delay fuse like the MERSEN GFN20 by matching its voltage rating (32 V AC) and current rating (20 A) to your circuit requirements. Ensure the physical size (13/32 in x 1 1/2 in) fits your holder. The indicating feature helps with maintenance. Always consult the equipment manual.

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.
Not sure this is the right part? Photo-identify it

MERSEN Products

3G Electric supplies MERSEN time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from MERSEN

View all MERSEN parts
Time-delay cylindrical fuse rated 125 mA at 600 V AC. Dual-element design with melamine body, non-indicating, 13/32 in x 1 1/2 in. Suited for control transformers and solenoids in industrial circuits
MERSEN
Time-delay cylindrical fuse rated 125 mA at 600 V AC. Dual-element design with melamine body, non-indicating, 13/32 in x 1 1/2 in. Suited for control transformers and solenoids in industrial circuits
MERSEN GDG Series time-delay cylindrical fuse rated 2.5 A, 250 V AC. Physical dimensions are 5.1 mm x 20.1 mm. Designed for overcurrent protection in industrial equipment such as control panels, motor circuits, and power supplies where tolerance to inrush currents is required
MERSEN
MERSEN GDG Series time-delay cylindrical fuse rated 2.5 A, 250 V AC. Physical dimensions are 5.1 mm x 20.1 mm. Designed for overcurrent protection in industrial equipment such as control panels, motor circuits, and power supplies where tolerance to inrush currents is required
Class RK1 time-delay cylindrical fuse rated 30 A at 250 V AC and 250 V DC. Features indicating function for blown fuse detection. Suitable for overcurrent protection in motor circuits, transformers, and other equipment with inrush currents
MERSEN
Class RK1 time-delay cylindrical fuse rated 30 A at 250 V AC and 250 V DC. Features indicating function for blown fuse detection. Suitable for overcurrent protection in motor circuits, transformers, and other equipment with inrush currents
Time-delay cylindrical fuse from the ATQ Series, rated 8 A and 500 V AC. Midget size with 13/32 in x 1 1/2 in dimensions and non-indicating design. Provides overload and short-circuit protection for circuits that experience temporary inrush currents, such as control transformers and motor starters
MERSEN
Time-delay cylindrical fuse from the ATQ Series, rated 8 A and 500 V AC. Midget size with 13/32 in x 1 1/2 in dimensions and non-indicating design. Provides overload and short-circuit protection for circuits that experience temporary inrush currents, such as control transformers and motor starters
Class RK5 time-delay cylindrical fuse rated 20 A, 250 V AC and 160 V DC. Features visual indication for blown fuse detection. Used for motor and transformer protection in industrial control panels, switchgear, and distribution equipment requiring inrush current tolerance and overload protection
MERSEN
Class RK5 time-delay cylindrical fuse rated 20 A, 250 V AC and 160 V DC. Features visual indication for blown fuse detection. Used for motor and transformer protection in industrial control panels, switchgear, and distribution equipment requiring inrush current tolerance and overload protection
Time-delay cylindrical fuse rated 5 A and 250 V AC with a non-indicating 5 mm x 20 mm body. Suitable for overcurrent protection in industrial equipment, power supplies, and control panels where delayed response to transient surges is required. Equivalent to S505, 477, and GSF fuse series
MERSEN
Time-delay cylindrical fuse rated 5 A and 250 V AC with a non-indicating 5 mm x 20 mm body. Suitable for overcurrent protection in industrial equipment, power supplies, and control panels where delayed response to transient surges is required. Equivalent to S505, 477, and GSF fuse series

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first