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MERSEN Fuse: GSD Series, Fast-Acting, 1.25 A, 250 V AC, Non-Indicating - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN Fuse: GSD Series, Fast-Acting, 1.25 A, 250 V AC, Non-Indicating

The MERSEN GSD Series is a fast-acting cylindrical fuse rated at 1.25 A and 250 V AC, with a non-indicating design in a 5 mm x 20 mm form factor (MPN GSD1-1/4). It is equivalent to the GDA, S501, 216, and GSD series.

SKU 3G-OTH-28109

Brand
MERSEN
Item
Fuse: GSD Series, Fast-Acting, 1.25 A, 250 V AC, Non-Indicating
Category
Fast-Acting Cylindrical Fuses
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Technical Specifications

MERSEN
Manufacturer Part Number
GSD1-1/4
Series
GSD
Type
Fast-Acting, 1.25 A, Non-Indicating, 5 mm x 20 mm
AC
250 V
Equivalent Fuse Series
GDA, S501, 216 & GSD
View Full Spec Sheet

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

Product Description

The MERSEN GSD Series is a fast-acting cylindrical fuse rated at 1.25 A and 250 V AC, with a non-indicating design in a 5 mm x 20 mm form factor (MPN GSD1-1/4). It is equivalent to the GDA, S501, 216, and GSD series.

Frequently Asked Questions

What is the MERSEN GSD Series fuse used for?

The MERSEN GSD Series fast-acting fuse protects sensitive electronic circuits from overcurrent. Its 1.25 A rating and 250 V AC capacity make it suitable for control panels, power supplies, and instrumentation where rapid response to faults is critical.

What are the specifications of the MERSEN GSD1-1/4 fuse?

The MERSEN GSD1-1/4 is a fast-acting, non-indicating cylindrical fuse rated at 1.25 A and 250 V AC. It has a 5 mm x 20 mm form factor and is part of the GSD series. Equivalent series include GDA, S501, and 216.

Where to buy MERSEN GSD series fuses worldwide?

3G Electric supplies MERSEN GSD series 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 on the GSD1-1/4 or other MERSEN fuse models.

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

Select the MERSEN GSD fuse based on your circuit's voltage (250 V AC max) and current rating (1.25 A). Ensure the 5 mm x 20 mm size fits your holder. For fast-acting protection, the GSD series is ideal for sensitive electronics. Consult a qualified engineer for specific coordination.

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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