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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

SKU 3G-OTH-24895

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
HF221N
Type
30 A, Single Phase, Galvanized Steel, Indoor
AC
240V
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the SIEMENS HF221N safety switch used for?

The SIEMENS HF221N is a fusible safety switch used to safely disconnect electrical power for maintenance or emergency shutdown in single-phase 240V AC industrial circuits. It is commonly applied in manufacturing, HVAC, and material handling systems where reliable lockout/tagout is required.

What are the specifications of the SIEMENS HF221N safety switch?

The SIEMENS HF221N is a 30 A, single-phase, fusible safety switch rated for 240V AC. It features a galvanized steel enclosure for indoor use. The manufacturer part number is HF221N, and it is designed for industrial disconnection applications.

Where to buy the SIEMENS HF221N safety switch worldwide?

3G Electric supplies the SIEMENS HF221N safety switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this genuine Siemens part.

How to install the SIEMENS HF221N safety switch?

Install the SIEMENS HF221N in a dry indoor location on a sturdy surface. Ensure the circuit is de-energized before wiring. Follow the manufacturer's torque specifications for terminal connections and verify proper fuse sizing per the load. Always comply with local electrical codes.

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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