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MERSEN Fuse: GSB Series, Fast-Acting, 500 mA, 250 V AC - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Fuse: GSB Series, Fast-Acting, 500 mA, 250 V AC

The MERSEN GSB Series Fast-Acting Cylindrical Fuse (MPN GSB1/2) is a 500 mA, 250 V AC fuse with dimensions of 5.1 mm x 20.1 mm. This fast-acting fuse is designed for overcurrent protection in industrial equipment.

SKU 3G-OTH-153039

Also listed as: GSB12 · GSB1 2 · GSB1-2

Brand
MERSEN
Item
Fuse: GSB Series, Fast-Acting, 500 mA, 250 V AC
Category
Fast-Acting Cylindrical Fuses
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
GSB1/2

Technical Documents

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

Product Description

The MERSEN GSB Series Fast-Acting Cylindrical Fuse (MPN GSB1/2) is a 500 mA, 250 V AC fuse with dimensions of 5.1 mm x 20.1 mm. This fast-acting fuse is designed for overcurrent protection in industrial equipment.

Frequently Asked Questions

What is the MERSEN GSB Series fuse used for?

The MERSEN GSB Series fast-acting cylindrical fuse (MPN GSB1/2) provides overcurrent protection in industrial equipment. It is commonly used in control panels, power supplies, and electronic circuits where rapid response to fault currents is required to safeguard sensitive components.

What are the specifications of the MERSEN GSB1/2 fuse?

The MERSEN GSB1/2 is a fast-acting cylindrical fuse rated at 500 mA and 250 V AC. It has dimensions of 5.1 mm x 20.1 mm and is part of the GSB Series. The manufacturer part number is GSB1/2, and it is designed for overcurrent protection in industrial applications.

Where to buy MERSEN GSB Series fuses worldwide?

3G Electric supplies MERSEN GSB Series fuses worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the GSB1/2 or other MERSEN fuse models for your project.

How to select the right MERSEN GSB fuse for my application?

To select the correct MERSEN GSB fuse, match the voltage rating (250 V AC) and current rating (500 mA for GSB1/2) to your circuit requirements. Ensure the physical dimensions (5.1 mm x 20.1 mm) fit your fuse holder. For fast-acting protection, the GSB Series is ideal for sensitive electronics.

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
MERSEN Fuse: GSB Series, Fast-Acting, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB2-1/2)
MERSEN
MERSEN Fuse: GSB Series, Fast-Acting, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB2-1/2)
MERSEN Fuse: GSB Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB2)
MERSEN
MERSEN Fuse: GSB Series, Fast-Acting, 2 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB2)
MERSEN Fuse: GSB Series, Fast-Acting, 1 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB1)
MERSEN
MERSEN Fuse: GSB Series, Fast-Acting, 1 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB1)
MERSEN Fuse: GSB Series, Fast-Acting, 1.6 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB1-6/10)
MERSEN
MERSEN Fuse: GSB Series, Fast-Acting, 1.6 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB1-6/10)
MERSEN Fuse: GSB Series, Fast-Acting, 10 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB10)
MERSEN
MERSEN Fuse: GSB Series, Fast-Acting, 10 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB10)
MERSEN Fuse: GSB Series, Fast-Acting, 1.25 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB1-1/4)
MERSEN
MERSEN Fuse: GSB Series, Fast-Acting, 1.25 A, 250 V AC, 5.1 mm x 20.1 mm (MPN GSB1-1/4)

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