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Siemens Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel - Fusible Safety Switches
SiemensFusible Safety Switches

Siemens Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel

The SIEMENS HF223NR is a 100 A, single-phase fusible safety switch rated for 240V AC, constructed from galvanized steel for indoor/outdoor use. 3G Electric interprets this demand and sources the genuine OEM part…

SKU 3G-OTH-28242

Brand
Siemens
Item
Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel
Category
Fusible Safety Switches
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Technical Specifications

Siemens
Manufacturer Part Number
HF223NR
Type
100 A, Single Phase, Galvanized Steel, Indoor/Outdoor
AC
240V

Technical Documents

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

Product Description

The SIEMENS HF223NR is a 100 A, single-phase fusible safety switch rated for 240V AC, constructed from galvanized steel for indoor/outdoor use. 3G Electric interprets this demand and sources the genuine OEM part, providing a single point of accountability across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo and Fluke.

Frequently Asked Questions

What is the SIEMENS HF223NR safety switch used for?

The SIEMENS HF223NR is a 100 A, single-phase, fusible safety switch rated for 240V AC. It is used in industrial and commercial applications to safely disconnect power for maintenance or emergency shutdown, protecting equipment and personnel in indoor or outdoor environments.

What are the specifications of the SIEMENS HF223NR?

The SIEMENS HF223NR is a fusible safety switch with a 100 A rating, single-phase, 240V AC, housed in a galvanized steel enclosure suitable for indoor/outdoor use. It is designed for reliable disconnection and overcurrent protection in industrial power distribution systems.

Where to buy the SIEMENS HF223NR worldwide?

3G Electric supplies the SIEMENS HF223NR safety switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Siemens fusible disconnect switch.

How to install the SIEMENS HF223NR safety switch?

Install the SIEMENS HF223NR by mounting the galvanized steel enclosure securely, connecting line and load conductors per the wiring diagram, and ensuring proper fuse sizing for the 100 A, 240V AC circuit. Always follow local electrical codes and de-energize the system before 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN HF223N)
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SIEMENS Safety Switch: Fusible, 100 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN HF223N)
SIEMENS Safety Switch: Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF222NR)
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SIEMENS Safety Switch: Fusible, 60 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF222NR)
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SIEMENS Safety Switch: Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF224NR)
SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF323NR)
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SIEMENS Safety Switch: Fusible, 100 A, Three Phase, 240V AC, Galvanized Steel, Indoor/Outdoor (MPN HF323NR)
SIEMENS Safety Switch: Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN HF224N)
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SIEMENS Safety Switch: Fusible, 200 A, Single Phase, 240V AC, Galvanized Steel, Indoor (MPN HF224N)
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SIEMENS Safety Switch: Fusible, 200 A, Single Phase, 240V AC, 304 Stainless Steel, Indoor/Outdoor (MPN HF224S)

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