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MERSEN GDG2-1/2 Time-Delay Cylindrical Fuse, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm - Time-Delay Cylindrical Fuses
MERSENTime-Delay Cylindrical Fuses

MERSEN GDG2-1/2 Time-Delay Cylindrical Fuse, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm

The MERSEN GDG Series Time-Delay Cylindrical Fuse (MPN GDG2-1/2) is a 2.5 A, 250 V AC fuse with a 5.1 mm x 20.1 mm physical size. This time-delay fuse from MERSEN is designed for overcurrent protection in industrial…

SKU 3G-OTH-28136

Also listed as: GDG212 · GDG2 1 2 · GDG2-1-2

Brand
MERSEN
Item
GDG2-1/2 Time-Delay Cylindrical Fuse, 2.5 A, 250 V AC, 5.1 mm x 20.1 mm
Category
Time-Delay 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
GDG2-1/2
Series
GDG

Technical Documents

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

Product Description

The MERSEN GDG Series Time-Delay Cylindrical Fuse (MPN GDG2-1/2) is a 2.5 A, 250 V AC fuse with a 5.1 mm x 20.1 mm physical size. This time-delay fuse from MERSEN is designed for overcurrent protection in industrial equipment.

Frequently Asked Questions

What is the MERSEN GDG2-1/2 fuse used for?

The MERSEN GDG2-1/2 time-delay fuse provides overcurrent protection in industrial equipment. Its 2.5 A, 250 V AC rating and 5.1 mm x 20.1 mm size suit control panels, motor circuits, and power supplies where inrush tolerance is needed.

What are the specifications of the MERSEN GDG2-1/2 fuse?

The MERSEN GDG Series fuse (MPN GDG2-1/2) is rated 2.5 A, 250 V AC, with a time-delay characteristic. Its physical dimensions are 5.1 mm x 20.1 mm. It is a cylindrical, glass-body fuse designed for overcurrent protection in industrial applications.

Where to buy the MERSEN GDG2-1/2 fuse worldwide?

3G Electric supplies the MERSEN GDG2-1/2 fuse worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this time-delay fuse to your facility. Contact us for a quote and delivery timeline.

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

To select the correct MERSEN GDG fuse, match the voltage (250 V AC) and current rating (2.5 A for GDG2-1/2) to your circuit. Time-delay fuses tolerate brief inrush, making them suitable for motor or transformer protection. Verify physical size (5.1 mm x 20.1 mm) fits your holder.

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 time-delay 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
Time-delay cylindrical fuse rated 2 A at 250 V AC, with dimensions 5.1 mm x 20.1 mm. Designed for overcurrent protection in circuits where temporary inrush currents occur, such as motor starters, transformers, and control panels
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Time-delay cylindrical fuse rated 2 A at 250 V AC, with dimensions 5.1 mm x 20.1 mm. Designed for overcurrent protection in circuits where temporary inrush currents occur, such as motor starters, transformers, and control panels
Time-delay cylindrical fuse rated at 200 mA and 250 V AC, with dimensions of 5.1 mm x 20.1 mm. Provides overcurrent protection in AC circuits where temporary surge tolerance is needed, such as in control panels, power supplies, and lighting circuits
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Time-delay cylindrical fuse rated at 200 mA and 250 V AC, with dimensions of 5.1 mm x 20.1 mm. Provides overcurrent protection in AC circuits where temporary surge tolerance is needed, such as in control panels, power supplies, and lighting circuits
Time-delay cylindrical fuse rated 4 A, 250 V AC, with 5.1 mm x 20.1 mm dimensions. Provides overcurrent protection for control circuits, power supplies, and machinery
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Time-delay cylindrical fuse rated 4 A, 250 V AC, with 5.1 mm x 20.1 mm dimensions. Provides overcurrent protection for control circuits, power supplies, and machinery
Time-delay cylindrical fuse rated 1.6 A and 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in circuits where temporary inrush currents occur, such as motor circuits, transformers, and control panels
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Time-delay cylindrical fuse rated 1.6 A and 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in circuits where temporary inrush currents occur, such as motor circuits, transformers, and control panels
Time-delay cylindrical fuse rated 400 mA at 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in control panels, power supplies, and instrumentation circuits where brief inrush currents occur
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Time-delay cylindrical fuse rated 400 mA at 250 V AC, with dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in control panels, power supplies, and instrumentation circuits where brief inrush currents occur
MERSEN GDG Series time-delay cylindrical fuse rated 0.5 A at 250 V AC, with a physical size of 5.1 mm x 20.1 mm. Designed for overcurrent protection in industrial equipment such as motor circuits, transformers, and control panels, its time-delay characteristic allows it to withstand temporary inrush currents without nuisance opening
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MERSEN GDG Series time-delay cylindrical fuse rated 0.5 A at 250 V AC, with a physical size of 5.1 mm x 20.1 mm. Designed for overcurrent protection in industrial equipment such as motor circuits, transformers, and control panels, its time-delay characteristic allows it to withstand temporary inrush currents without nuisance opening

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Class RK5 time-delay cylindrical fuse rated 1.25 A at 600 V AC and 600 V DC. Non-indicating design with time-delay characteristic for motor and equipment protection. Suitable for overcurrent protection in industrial control panels, HVAC systems, and pump controls
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Class RK5 time-delay cylindrical fuse rated 1.25 A at 600 V AC and 600 V DC. Non-indicating design with time-delay characteristic for motor and equipment protection. Suitable for overcurrent protection in industrial control panels, HVAC systems, and pump controls
Time-delay midget fuse rated 6 A and 250 V AC, with dimensions 13/32 in x 1 1/2 in. Non-indicating design. Suitable for protecting circuits with inrush currents in control panels, motor starters, and lighting systems
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Time-delay midget fuse rated 6 A and 250 V AC, with dimensions 13/32 in x 1 1/2 in. Non-indicating design. Suitable for protecting circuits with inrush currents in control panels, motor starters, and lighting systems
MERSEN GFN Series midget time-delay fuse rated 20 A at 32 V AC. Dimensions 13/32 in x 1 1/2 in. Indicating type for visual blown-fuse identification. Used in control panels and industrial equipment for overcurrent protection with tolerance to inrush currents
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MERSEN GFN Series midget time-delay fuse rated 20 A at 32 V AC. Dimensions 13/32 in x 1 1/2 in. Indicating type for visual blown-fuse identification. Used in control panels and industrial equipment for overcurrent protection with tolerance to inrush currents
Class RK5, TR-R series time-delay fuse rated 2.5 A at 250 V AC and 250 V DC. Non-indicating cylindrical body. Designed for branch-circuit protection in motor circuits, control panels, and equipment with high inrush currents
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Class RK5, TR-R series time-delay fuse rated 2.5 A at 250 V AC and 250 V DC. Non-indicating cylindrical body. Designed for branch-circuit protection in motor circuits, control panels, and equipment with high inrush currents
Time-delay cylindrical fuse from MERSEN GDG Series, rated 8 A and 250 V AC. Body dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in circuits with temporary inrush currents, such as control panels, motor circuits, and power supplies
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Time-delay cylindrical fuse from MERSEN GDG Series, rated 8 A and 250 V AC. Body dimensions 5.1 mm x 20.1 mm. Provides overcurrent protection in circuits with temporary inrush currents, such as control panels, motor circuits, and power supplies
MERSEN A6D Series Class RK1 time-delay cylindrical fuse, rated 300 mA at 600 V AC and 600 V DC. Non-indicating design for overcurrent protection in industrial circuits, such as motor and transformer branch circuits where inrush currents occur
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MERSEN A6D Series Class RK1 time-delay cylindrical fuse, rated 300 mA at 600 V AC and 600 V DC. Non-indicating design for overcurrent protection in industrial circuits, such as motor and transformer branch circuits where inrush currents occur
The MERSEN TR20R is a Class RK5 time-delay cylindrical fuse rated 20 A, 250 V AC and 160 V DC. It is part of the TR-R Series and is non-indicating. This fuse provides overcurrent protection for motor circuits, transformers, and lighting systems, allowing temporary inrush currents without nuisance opening
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The MERSEN TR20R is a Class RK5 time-delay cylindrical fuse rated 20 A, 250 V AC and 160 V DC. It is part of the TR-R Series and is non-indicating. This fuse provides overcurrent protection for motor circuits, transformers, and lighting systems, allowing temporary inrush currents without nuisance opening
Time-delay cylindrical fuse rated 1 A, 250 V AC. Measures 1/4 in x 1 1/4 in. Provides overcurrent protection for circuits with inrush currents, such as motors and control circuits
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Time-delay cylindrical fuse rated 1 A, 250 V AC. Measures 1/4 in x 1 1/4 in. Provides overcurrent protection for circuits with inrush currents, such as motors and control circuits