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MERSEN GSB2-1/2 Fast-Acting Cylindrical Fuse, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN GSB2-1/2 Fast-Acting Cylindrical Fuse, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm

The MERSEN GSB Series Fast-Acting Cylindrical Fuse (MPN GSB2-1/2) is a 2.5 A, 250 V AC rated fuse with a 5.1 mm x 20.1 mm physical size. This fast-acting fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-153068

Also listed as: GSB212 · GSB2 1 2 · GSB2-1-2

Brand
MERSEN
Item
GSB2-1/2 Fast-Acting Cylindrical Fuse, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm
Category
Fast-Acting Cylindrical Fuses
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MERSEN
Manufacturer Part Number
GSB2-1/2

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

Product Description

The MERSEN GSB Series Fast-Acting Cylindrical Fuse (MPN GSB2-1/2) is a 2.5 A, 250 V AC rated fuse with a 5.1 mm x 20.1 mm physical size. This fast-acting fuse 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 GSB Series fuse used for?

The MERSEN GSB Series fast-acting fuse (2.5 A, 250 V AC) provides overcurrent protection in industrial equipment. It is commonly used in control panels, power supplies, and machinery where rapid response to short circuits is required to safeguard sensitive components.

What are the specifications of the MERSEN GSB2-1/2 fuse?

The MERSEN GSB2-1/2 is a fast-acting cylindrical fuse rated at 2.5 A and 250 V AC. It has a physical size of 5.1 mm x 20.1 mm and belongs to the GSB Series. The manufacturer part number is GSB2-1/2.

Where to buy MERSEN GSB2-1/2 fuses worldwide?

3G Electric supplies MERSEN GSB2-1/2 fuses worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

To select the correct MERSEN GSB fuse, match the voltage rating (250 V AC) and current rating (2.5 A) to your circuit requirements. Ensure the physical size (5.1 mm x 20.1 mm) fits the 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
The MERSEN GSB2 is a fast-acting cylindrical fuse rated at 2 A and 250 V AC. With dimensions of 5.1 mm x 20.1 mm, it provides overcurrent protection in industrial equipment such as control panels, power supplies, and electronic circuits where rapid response to short circuits is required
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The MERSEN GSB2 is a fast-acting cylindrical fuse rated at 2 A and 250 V AC. With dimensions of 5.1 mm x 20.1 mm, it provides overcurrent protection in industrial equipment such as control panels, power supplies, and electronic circuits where rapid response to short circuits is required
Fast-acting cylindrical fuse rated 500 mA, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and electronic circuits requiring rapid response to fault currents
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Fast-acting cylindrical fuse rated 500 mA, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and electronic circuits requiring rapid response to fault currents
Fast-acting cylindrical fuse rated 1.6 A, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and machinery where rapid response to short circuits is required
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Fast-acting cylindrical fuse rated 1.6 A, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and machinery where rapid response to short circuits is required
Fast-acting cylindrical fuse rated 1 A, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and instrumentation circuits
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Fast-acting cylindrical fuse rated 1 A, 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and instrumentation circuits
Fast-acting cylindrical fuse rated 10 A at 250 V AC. Dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and electronic circuits
MERSEN
Fast-acting cylindrical fuse rated 10 A at 250 V AC. Dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and electronic circuits
Fast-acting cylindrical fuse rated 1.25 A, 250 V AC, with a physical size of 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and instrumentation circuits
MERSEN
Fast-acting cylindrical fuse rated 1.25 A, 250 V AC, with a physical size of 5.1 mm x 20.1 mm. Provides overcurrent protection in industrial equipment such as control panels, power supplies, and instrumentation circuits

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Fast-acting cylindrical fuse rated 2 A at 250 V AC. Non-indicating design with 5 mm x 20 mm body. Suitable for overcurrent protection in control panels, power supplies, and instrumentation. Equivalent to GDA, S501, and 216 series
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Fast-acting cylindrical fuse rated 2 A at 250 V AC. Non-indicating design with 5 mm x 20 mm body. Suitable for overcurrent protection in control panels, power supplies, and instrumentation. Equivalent to GDA, S501, and 216 series
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Fast-acting midget fuse rated 600 mA at 600 V AC. Non-indicating design with dimensions 13/32 in x 1 3/8 in. Used for overcurrent protection in control panels, instrumentation, and power supplies where rapid response to faults is required
Fast-acting cylindrical fuse from the HP15P Series, rated 40 A and 1.5 kV DC. Designed for overcurrent protection in photovoltaic systems, including solar panel strings and combiner boxes
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Fast-acting cylindrical fuse from the HP15P Series, rated 40 A and 1.5 kV DC. Designed for overcurrent protection in photovoltaic systems, including solar panel strings and combiner boxes
Fast-acting cylindrical fuse rated 2 A at 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in control panels, power supplies, and industrial machinery
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Fast-acting cylindrical fuse rated 2 A at 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in control panels, power supplies, and industrial machinery
The MERSEN RF15 is a Class H fast-acting cylindrical fuse rated 15 A at 250 V AC. It is non-indicating, meaning it does not provide a visual blown indication. This fuse is used for overcurrent protection in industrial electrical circuits, such as control panels and distribution equipment, where rapid response to short circuits is required
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The MERSEN RF15 is a Class H fast-acting cylindrical fuse rated 15 A at 250 V AC. It is non-indicating, meaning it does not provide a visual blown indication. This fuse is used for overcurrent protection in industrial electrical circuits, such as control panels and distribution equipment, where rapid response to short circuits is required
Fast-acting cylindrical fuse rated 12 A and 1000 V DC with AC/DC voltage compatibility. Provides overcurrent protection in DC circuits such as solar photovoltaic systems, combiner boxes, and inverters
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Fast-acting cylindrical fuse rated 12 A and 1000 V DC with AC/DC voltage compatibility. Provides overcurrent protection in DC circuits such as solar photovoltaic systems, combiner boxes, and inverters
Fast-acting midget fuse rated 500 mA, 600 V AC and 600 V DC. Measures 13/32 in x 1 1/2 in. Used for overcurrent protection in control panels, instrumentation, and power supplies where rapid interruption is required
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Fast-acting midget fuse rated 500 mA, 600 V AC and 600 V DC. Measures 13/32 in x 1 1/2 in. Used for overcurrent protection in control panels, instrumentation, and power supplies where rapid interruption is required