Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
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 GNF221RA is a 30 A, single-phase, non-fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure suitable for indoor/outdoor use, it provides a reliable disconnect solution for…

SKU 3G-OTH-129316

Brand
Siemens
Item
Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel
Category
Non-Fusible Safety Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Siemens
Manufacturer Part Number
GNF221RA
Type
30 A, Single Phase, Galvanized Steel, Indoor/Outdoor
AC
240V
View Full Spec Sheet

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

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

Product Description

The SIEMENS GNF221RA is a 30 A, single-phase, non-fusible safety switch rated for 240V AC. Housed in a galvanized steel enclosure suitable for indoor/outdoor use, it provides a reliable disconnect solution for industrial electrical circuits.

Frequently Asked Questions

What is the Siemens GNF221RA safety switch used for?

The Siemens GNF221RA non-fusible safety switch is used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial applications. It is suitable for indoor/outdoor use with a galvanized steel enclosure, rated 30 A, single phase, 240V AC.

What are the specifications of the Siemens GNF221RA safety switch?

The Siemens GNF221RA is a non-fusible safety switch rated 30 A, single phase, 240V AC. It features a galvanized steel enclosure for indoor/outdoor use. The manufacturer part number is GNF221RA, and it is designed for reliable disconnection in industrial environments.

Where to buy the Siemens GNF221RA safety switch worldwide?

You can source the Siemens GNF221RA safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this non-fusible safety switch.

How to install the Siemens GNF221RA safety switch?

Install the Siemens GNF221RA safety switch by mounting the galvanized steel enclosure securely, connecting line and load conductors per local codes, and verifying the switch operates freely. Always de-energize the circuit before installation. Follow Siemens guidelines for proper torque and clearance requirements.

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.

You might also need

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

Similar products

Matched by specification & description
SIEMENS Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN GNF221A). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN GNF221A). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN GNF222RA). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN GNF222RA). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN GNF222A). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN GNF222A). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN GNF321RA). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN GNF321RA). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN LNF222RA). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN LNF222RA). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN GNF322RA). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN GNF322RA). Key specifications — attr867131: SIEMENS.

More from Siemens

View all Siemens parts →
SIEMENS Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTNF361). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 30 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTNF361). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HNF462). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HNF462). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 30 A, Single Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HNF261S). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 30 A, Single Phase, 600V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HNF261S). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF224). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF224). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HNF663J). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 100 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN HNF663J). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HNF262R). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Single Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HNF262R). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 200 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTNF364). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 200 A, Three Phase, 600V AC, Galvanized Steel, Indoor (MPN DTNF364). Key specifications — attr867131: SIEMENS.
SIEMENS Safety Switch: Non-Fusible, 200 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HNF364R). Key specifications — attr867131: SIEMENS.
Siemens
SIEMENS Safety Switch: Non-Fusible, 200 A, Three Phase, 600V AC, Galvanized Steel, Indoor/Outdoor (MPN HNF364R). Key specifications — attr867131: SIEMENS.