MERSEN Fuse: GSB Series, Fast-Acting, 4 A, 250 V AC
The MERSEN GSB Series Fast-Acting Cylindrical Fuse (MPN GSB4) is a 4 A, 250 V AC fuse with a 5.1 mm x 20.1 mm form factor. This fast-acting fuse from MERSEN is designed for overcurrent protection in industrial equipment.
SKU 3G-OTH-153000
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Product Description
The MERSEN GSB Series Fast-Acting Cylindrical Fuse (MPN GSB4) is a 4 A, 250 V AC fuse with a 5.1 mm x 20.1 mm form factor. This fast-acting fuse from MERSEN is designed for overcurrent protection in industrial equipment.
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 GSB4 fuse used for?
The MERSEN GSB4 fast-acting fuse provides overcurrent protection in industrial equipment. It is commonly used in control panels, power supplies, and machinery where a 4 A, 250 V AC rating is required. Its 5.1 mm x 20.1 mm cylindrical form factor fits standard fuse holders.
What are the specifications of the MERSEN GSB4 fuse?
The MERSEN GSB4 is a fast-acting cylindrical fuse rated at 4 A and 250 V AC. It has a 5.1 mm x 20.1 mm body size and is part of the GSB Series. The manufacturer part number is GSB4. It is designed for overcurrent protection in industrial applications.
Where to buy MERSEN GSB4 fuses worldwide?
3G Electric supplies the MERSEN GSB4 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this fast-acting fuse for your industrial overcurrent protection needs.
How to select the right MERSEN GSB fuse for my application?
Select the MERSEN GSB fuse based on your circuit's voltage (250 V AC maximum) and current rating. The GSB4 is rated for 4 A. Ensure the fuse holder accommodates the 5.1 mm x 20.1 mm cylindrical size. For fast-acting protection, match the fuse's interrupting rating to your system's fault current.
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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.















