Siemens Safety Switch: Fusible, 30 A, Single Phase, 240V AC, Galvanized Steel
SKU 3G-OTH-24895
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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.
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Common applications for SiemensSiemens 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.














