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Siemens Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel - Non-Fusible Safety Switches
SiemensNon-Fusible Safety Switches

Siemens Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel

The SIEMENS Safety Switch: Non-Fusible (MPN GNF221A) is a 30 A, single-phase, 240V AC disconnect rated for indoor use. Its galvanized steel enclosure provides durability in industrial environments. 3G Electric…

SKU 3G-OTH-129258

Brand
Siemens
Item
Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel
Category
Non-Fusible Safety Switches
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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

Siemens
Manufacturer Part Number
GNF221A
Type
30 A, Single Phase, Galvanized Steel, Indoor
AC
240V

Technical Documents

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

Product Description

The SIEMENS Safety Switch: Non-Fusible (MPN GNF221A) is a 30 A, single-phase, 240V AC disconnect rated for indoor use. Its galvanized steel enclosure provides durability in industrial environments. 3G Electric interprets your demand for this OEM switch, sources it across 14 industrial departments, and supports with specialist depth in controls.

Frequently Asked Questions

What is a Siemens GNF221A safety switch used for?

The Siemens GNF221A is a non-fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial applications. It handles 30 A, single phase, 240V AC, and is housed in a galvanized steel enclosure for indoor use.

What are the specifications of the Siemens GNF221A safety switch?

The Siemens GNF221A is a 30 A, single-phase, non-fusible safety switch rated for 240V AC. It features a galvanized steel enclosure designed for indoor installation. The manufacturer part number is GNF221A, and it is part of Siemens' industrial safety switch lineup.

Where to buy a Siemens GNF221A safety switch worldwide?

3G Electric supplies the Siemens GNF221A safety switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this non-fusible, 30 A, 240V AC safety switch.

How to install a Siemens non-fusible safety switch?

Install the Siemens GNF221A safety switch in a dry indoor location on a sturdy surface. Follow local electrical codes and the manufacturer's wiring diagram. Ensure the circuit is de-energized before connecting the 30 A, 240V AC supply. Use appropriate conduit and fittings for a secure installation.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens non-fusible safety switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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