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Siemens Safety Switch: Fusible, 30 A, Single Phase, 240V AC, 304 Stainless Steel - Fusible Safety Switches
SiemensFusible Safety Switches

Siemens Safety Switch: Fusible, 30 A, Single Phase, 240V AC, 304 Stainless Steel

The SIEMENS HF221S is a 30 A, single-phase fusible safety switch rated for 240V AC, housed in 304 stainless steel for indoor/outdoor use. 3G Electric interprets this demand, sources the genuine OEM part, and supports…

SKU 3G-OTH-28567

Brand
Siemens
Item
Safety Switch: Fusible, 30 A, Single Phase, 240V AC, 304 Stainless Steel
Category
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
HF221S
Type
30 A, Single Phase, Indoor/Outdoor
AC
240V
Stainless Steel
304

Technical Documents

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

Product Description

The SIEMENS HF221S is a 30 A, single-phase fusible safety switch rated for 240V AC, housed in 304 stainless steel for indoor/outdoor use. 3G Electric interprets this demand, sources the genuine OEM part, and supports your procurement across 14 industrial departments — with specialist depth in controls to ensure the right solution.

Frequently Asked Questions

What is the SIEMENS HF221S safety switch used for?

The SIEMENS HF221S is a fusible safety switch designed for single-phase applications up to 30 A and 240V AC. It provides a visible disconnect means for electrical circuits, ensuring safe maintenance and isolation in industrial, commercial, and residential settings. Its 304 stainless steel enclosure suits both indoor and outdoor environments.

What are the specifications of the SIEMENS HF221S safety switch?

The SIEMENS HF221S is a fusible safety switch rated for 30 A, single phase, 240V AC. It features a 304 stainless steel enclosure for corrosion resistance and is suitable for indoor/outdoor use. The manufacturer part number is HF221S, and it is part of Siemens' fusible safety switch product line.

Where to buy the SIEMENS HF221S safety switch worldwide?

3G Electric supplies the SIEMENS HF221S safety switch worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this Siemens fusible safety switch to any country.

How to install the SIEMENS HF221S safety switch?

Install the SIEMENS HF221S by mounting the 304 stainless steel enclosure securely to a flat surface. Ensure the circuit is de-energized before wiring. Connect line and load conductors per the terminal markings, using appropriate fuse sizes for 30 A, 240V AC. Follow local electrical codes and Siemens guidelines for safe operation.

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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