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

Siemens Safety Switch: Non-Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel - Non-Fusible Safety Switches
SiemensNon-Fusible Safety Switches

Siemens Safety Switch: Non-Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel

The SIEMENS Safety Switch: Non-Fusible (MPN DTNF224R) is a 200 A, single-phase, 240V AC disconnect rated for indoor/outdoor use in a galvanized steel enclosure. 3G Electric interprets this demand and delivers the…

SKU 3G-OTH-129312

Brand
Siemens
Item
Safety Switch: Non-Fusible, 200 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 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.
Worldwide Shipping
Air & sea freight
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
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
DTNF224R
Type
200 A, Single Phase, Galvanized Steel, Indoor/Outdoor
AC
240V

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 Safety Switch: Non-Fusible (MPN DTNF224R) is a 200 A, single-phase, 240V AC disconnect rated for indoor/outdoor use in a galvanized steel enclosure. 3G Electric interprets this demand and delivers the exact OEM part across 14 industrial departments, with specialist depth in electrical controls as an authorised distributor.

Frequently Asked Questions

What is the Siemens DTNF224R safety switch used for?

The Siemens DTNF224R 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 single-phase, 240V AC circuits up to 200 A, and is designed for both indoor and outdoor use with a galvanized steel enclosure.

What are the specifications of the Siemens DTNF224R safety switch?

The Siemens DTNF224R is a non-fusible safety switch rated for 200 A, single phase, 240V AC. It features a galvanized steel enclosure suitable for indoor and outdoor installations. The manufacturer part number is DTNF224R, and it is built by Siemens for reliable disconnection in industrial environments.

Where to buy the Siemens DTNF224R safety switch worldwide?

You can source the Siemens DTNF224R safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for availability and lead time on this non-fusible safety switch.

How to install the Siemens DTNF224R safety switch?

Install the Siemens DTNF224R safety switch by mounting the galvanized steel enclosure securely to a flat surface. Connect the single-phase 240V AC supply to the line terminals and the load to the load terminals. Ensure the switch is in the OFF position before wiring. Follow local electrical codes and use appropriate conduit fittings for indoor or outdoor use.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS Safety Switch: Non-Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF224)
Siemens
SIEMENS Safety Switch: Non-Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF224)
SIEMENS Safety Switch: Non-Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTNF323R)
Siemens
SIEMENS Safety Switch: Non-Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN DTNF323R)
SIEMENS Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF221)
Siemens
SIEMENS Safety Switch: Non-Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF221)
SIEMENS Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF321)
Siemens
SIEMENS Safety Switch: Non-Fusible, 30 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF321)
SIEMENS Safety Switch: Non-Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF323)
Siemens
SIEMENS Safety Switch: Non-Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF323)
SIEMENS Safety Switch: Non-Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF322)
Siemens
SIEMENS Safety Switch: Non-Fusible, 60 A, Three Phase, 240V AC, Galvanized Steel, Indoor (MPN DTNF322)

More from Siemens

View all Siemens parts
This non-fusible safety switch from Siemens is rated 60 A, three-phase, 600V AC, and housed in a galvanized steel enclosure suitable for indoor or outdoor use. It is used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial power distribution systems
Siemens
This non-fusible safety switch from Siemens is rated 60 A, three-phase, 600V AC, and housed in a galvanized steel enclosure suitable for indoor or outdoor use. It is used to safely disconnect electrical power for maintenance or emergency shutdown in industrial and commercial power distribution systems
This non-fusible safety switch provides a visible disconnect for three-phase circuits up to 30 A at 240V AC. The galvanized steel enclosure is suitable for indoor or outdoor installation. It is used for safely isolating electrical power during maintenance or emergency shutdown in industrial and commercial settings
Siemens
This non-fusible safety switch provides a visible disconnect for three-phase circuits up to 30 A at 240V AC. The galvanized steel enclosure is suitable for indoor or outdoor installation. It is used for safely isolating electrical power during maintenance or emergency shutdown in industrial and commercial settings
Non-fusible safety switch rated 30 A, single phase, 600V AC. Galvanized steel enclosure for indoor use. Provides a means to disconnect power for maintenance or emergency shutdown in electrical systems
Siemens
Non-fusible safety switch rated 30 A, single phase, 600V AC. Galvanized steel enclosure for indoor use. Provides a means to disconnect power for maintenance or emergency shutdown in electrical systems
Non-fusible safety switch rated for 200 A, three-phase, 600V AC. Housed in a galvanized steel enclosure for indoor use. Used for isolating and disconnecting electrical circuits in industrial and commercial facilities, such as motor disconnects and branch circuit isolation
Siemens
Non-fusible safety switch rated for 200 A, three-phase, 600V AC. Housed in a galvanized steel enclosure for indoor use. Used for isolating and disconnecting electrical circuits in industrial and commercial facilities, such as motor disconnects and branch circuit isolation
Non-fusible safety switch rated 30 A, three-phase, 240V AC. Housed in a galvanized steel enclosure suitable for indoor and outdoor use. Used as a disconnect for electrical circuits in industrial and commercial applications
Siemens
Non-fusible safety switch rated 30 A, three-phase, 240V AC. Housed in a galvanized steel enclosure suitable for indoor and outdoor use. Used as a disconnect for electrical circuits in industrial and commercial applications
Non-fusible safety switch rated for 100 A, single-phase, 240V AC circuits. Galvanized steel enclosure suitable for indoor use. Provides a means to safely disconnect power for maintenance or emergency shutdown in branch circuit applications
Siemens
Non-fusible safety switch rated for 100 A, single-phase, 240V AC circuits. Galvanized steel enclosure suitable for indoor use. Provides a means to safely disconnect power for maintenance or emergency shutdown in branch circuit applications
The Siemens DTNF362 is a 60 A, three-phase, non-fusible safety switch rated for 600V AC. It features a galvanized steel enclosure designed for indoor use. This switch provides a visible break for safe disconnection in electrical systems, commonly used for motor control, HVAC equipment, and machinery isolation
Siemens
The Siemens DTNF362 is a 60 A, three-phase, non-fusible safety switch rated for 600V AC. It features a galvanized steel enclosure designed for indoor use. This switch provides a visible break for safe disconnection in electrical systems, commonly used for motor control, HVAC equipment, and machinery isolation
This non-fusible safety switch is rated 100 A, single phase, 240V AC. The galvanized steel enclosure allows indoor or outdoor installation. It provides a means to manually disconnect power for maintenance or emergency shutdown in electrical systems
Siemens
This non-fusible safety switch is rated 100 A, single phase, 240V AC. The galvanized steel enclosure allows indoor or outdoor installation. It provides a means to manually disconnect power for maintenance or emergency shutdown in electrical systems