Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
MERSEN GSD630/1000 Fast-Acting Cylindrical Fuse, 630 mA, 250 V AC, 5 mm x 20 mm - Fast-Acting Cylindrical Fuses
MERSENFast-Acting Cylindrical Fuses

MERSEN GSD630/1000 Fast-Acting Cylindrical Fuse, 630 mA, 250 V AC, 5 mm x 20 mm

The MERSEN GSD Series is a fast-acting cylindrical fuse rated at 630 mA and 250 V AC, with a non-indicating design in a 5 mm x 20 mm form factor (MPN GSD630/1000). It is equivalent to the GDA, S501, 216, and GSD series.

SKU 3G-OTH-27914

Also listed as: GSD6301000 · GSD630 1000 · GSD630-1000

Brand
MERSEN
Item
GSD630/1000 Fast-Acting Cylindrical Fuse, 630 mA, 250 V AC, 5 mm x 20 mm
Part Number
GSD630/1000
Category
Fast-Acting Cylindrical Fuses
Available to Order
Also known as:GSD630/1000MERSEN
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

MERSEN
Manufacturer Part Number
GSD630/1000
Series
GSD
Type
Fast-Acting, 630 mA, Non-Indicating, 5 mm x 20 mm
AC
250 V
Equivalent Fuse Series
GDA, S501, 216 & GSD

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The MERSEN GSD Series is a fast-acting cylindrical fuse rated at 630 mA and 250 V AC, with a non-indicating design in a 5 mm x 20 mm form factor (MPN GSD630/1000). It is equivalent to the GDA, S501, 216, and GSD series.

Frequently Asked Questions

What is the MERSEN GSD630/1000 fuse used for?

The MERSEN GSD630/1000 is a fast-acting cylindrical fuse rated 630 mA at 250 V AC. It protects sensitive electronic circuits from overcurrent in industrial control panels, power supplies, and instrumentation. Its 5 mm x 20 mm form factor suits standard fuse holders across manufacturing and process industries.

What are the specifications of the MERSEN GSD630/1000?

The MERSEN GSD630/1000 is a fast-acting, non-indicating fuse rated 630 mA and 250 V AC. It measures 5 mm x 20 mm and belongs to the GSD series. Equivalent series include GDA, S501, and 216. The manufacturer part number is GSD630/1000.

Where to buy the MERSEN GSD630/1000 fuse worldwide?

3G Electric supplies the MERSEN GSD630/1000 fuse worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this fast-acting 630 mA, 250 V AC fuse.

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

Select the MERSEN GSD fuse by matching voltage (250 V AC), current rating (630 mA), and interrupting capacity to your circuit. Ensure the 5 mm x 20 mm size fits your holder. For fast-acting protection, the GSD series is suitable for semiconductor and control circuits. Consult a MERSEN datasheet for time-current curves.

Used in

Common applications for MERSEN
Industrial control panels — Mersen USCC1 and USCC2 UL Class CC fuse blocks for DIN rail mounting and finger-safe branch circuit protection.
Motor starters — Mersen ATQ time-delay fuses and DAR0 R-rated fuses for motor overload and short-circuit protection.
Power supplies and instrumentation — Mersen GGM and GSB fast-acting cylindrical fuses for overcurrent protection in compact electronic circuits.
DC systems — Mersen A30QS very-fast-acting square fuses rated 300 V DC for semiconductor and DC equipment protection.
Medium-voltage distribution — Mersen DAR0 R-rated fuses rated 5.08 kV AC for general-purpose overcurrent protection with visual indication.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from MERSEN

View all MERSEN parts →
Fast-acting cylindrical fuse from the HP6M series, rated 12 A and 600 V DC. Provides overcurrent protection in photovoltaic systems, safeguarding solar panels, combiner boxes, and inverters from fault currents
MERSEN
Fast-acting cylindrical fuse from the HP6M series, rated 12 A and 600 V DC. Provides overcurrent protection in photovoltaic systems, safeguarding solar panels, combiner boxes, and inverters from fault currents
Fast-acting cylindrical fuse rated 4 A and 600 V AC. Midget size with dimensions 13/32 in x 1 3/8 in. Non-indicating design. Used for overcurrent protection in control panels, power supplies, and motor drives where rapid response is required
MERSEN
Fast-acting cylindrical fuse rated 4 A and 600 V AC. Midget size with dimensions 13/32 in x 1 3/8 in. Non-indicating design. Used for overcurrent protection in control panels, power supplies, and motor drives where rapid response is required
Fast-acting cylindrical fuse rated 400 mA at 250 V AC. Measures 5.1 mm x 20.1 mm. Provides overcurrent protection in control panels, power supplies, and instrumentation circuits
MERSEN
Fast-acting cylindrical fuse rated 400 mA at 250 V AC. Measures 5.1 mm x 20.1 mm. Provides overcurrent protection in control panels, power supplies, and instrumentation circuits
Class H fast-acting cylindrical fuse rated 3 A and 250 V AC. Non-indicating design provides overcurrent protection in industrial branch circuits and equipment requiring rapid response to short circuits
MERSEN
Class H fast-acting cylindrical fuse rated 3 A and 250 V AC. Non-indicating design provides overcurrent protection in industrial branch circuits and equipment requiring rapid response to short circuits
Fast-acting cylindrical fuse rated at 3 A and 600 V DC. Part of the HP6M series. Suitable for overcurrent protection in DC circuits, including photovoltaic systems and other DC power distribution applications
MERSEN
Fast-acting cylindrical fuse rated at 3 A and 600 V DC. Part of the HP6M series. Suitable for overcurrent protection in DC circuits, including photovoltaic systems and other DC power distribution applications
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
MERSEN
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
Fast-acting cylindrical fuse rated 1 A and 250 V AC, with a body size of 1/4 in x 1 1/4 in. Provides overcurrent protection for sensitive equipment such as control circuits, instrumentation, and power supplies, where rapid interruption of fault currents is required
MERSEN
Fast-acting cylindrical fuse rated 1 A and 250 V AC, with a body size of 1/4 in x 1 1/4 in. Provides overcurrent protection for sensitive equipment such as control circuits, instrumentation, and power supplies, where rapid interruption of fault currents is required
Fast-acting cylindrical fuse rated 5 A and 250 V AC. Non-indicating 5 mm x 20 mm body. Suitable for overcurrent protection in power supplies, instrumentation, and control panels where rapid response is required
MERSEN
Fast-acting cylindrical fuse rated 5 A and 250 V AC. Non-indicating 5 mm x 20 mm body. Suitable for overcurrent protection in power supplies, instrumentation, and control panels where rapid response is required

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first