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

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

The SIEMENS HF221J is a 30 A, single-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor use, this switch provides a reliable disconnection point for electrical circuits. 3G…

SKU 3G-OTH-28624

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

Siemens
Manufacturer Part Number
HF221J
Type
30 A, Single Phase, Galvanized Steel, Indoor
AC
240V
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS HF221J is a 30 A, single-phase, fusible safety switch rated for 240V AC. Constructed with galvanized steel for indoor use, this switch provides a reliable disconnection point for electrical circuits. 3G Electric interprets your demand, sources the right industrial equipment, and supports your operations across 14 departments—with specialist depth in combustion, pumps, and controls as an authorized distributor.

Frequently Asked Questions

What is the SIEMENS HF221J safety switch used for?

The SIEMENS HF221J is a fusible safety switch used to safely disconnect electrical circuits for maintenance or emergency shutdown in industrial and commercial facilities. It is designed for single-phase, 240V AC applications and is typically installed indoors to protect equipment and personnel.

What are the specifications of the SIEMENS HF221J safety switch?

The SIEMENS HF221J is a fusible safety switch rated at 30 A, single phase, 240V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is HF221J, and it is designed for reliable circuit disconnection in industrial environments.

Where to buy the SIEMENS HF221J safety switch worldwide?

You can source the SIEMENS HF221J safety switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Siemens part.

How to install the SIEMENS HF221J safety switch?

Install the SIEMENS HF221J safety switch indoors on a sturdy surface, ensuring it is accessible for operation. Follow local electrical codes and disconnect power before wiring. Use appropriate fuses rated for 30 A and verify the 240V AC single-phase supply. Always consult a qualified electrician.

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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