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Siemens HF322N Fusible Safety Switch - Fusible Safety Switches
SiemensFusible Safety Switches

Siemens HF322N Fusible Safety Switch

The SIEMENS HF322N is a 60 A, three-phase fusible safety switch rated for 240V AC, housed in a galvanized steel enclosure for indoor use. 3G Electric interprets this demand and delivers the genuine OEM part, backed…

SKU 3G-OTH-25783

Brand
Siemens
Item
HF322N Fusible Safety Switch
Part Number
HF322N
Category
Fusible Safety Switches
Available to Order
Also known as:HF322NSiemens
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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
HF322N
Type
60 A, Three Phase, Galvanized Steel, Indoor
AC
240V

Technical Documents

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

Product Description

The SIEMENS HF322N is a 60 A, three-phase fusible safety switch rated for 240V AC, housed in a galvanized steel enclosure for indoor use. 3G Electric interprets this demand and delivers the genuine OEM part, backed by our specialist expertise across 14 industrial departments — including electrical, power transmission, and controls — to ensure you get the right solution, not just a part.

Frequently Asked Questions

What is the SIEMENS HF322N safety switch used for?

The SIEMENS HF322N is a fusible safety switch designed for three-phase industrial applications up to 240V AC and 60 A. It provides overcurrent protection and a visible disconnect for safe maintenance on motors, pumps, and conveyors in manufacturing plants and commercial buildings.

What are the specifications of the SIEMENS HF322N safety switch?

The SIEMENS HF322N is a 60 A, three-phase, 240V AC fusible safety switch with a galvanized steel enclosure for indoor use. It accepts Class H or R fuses and features a visible blade disconnect. The manufacturer part number is HF322N, and it is rated for general-duty industrial applications.

Where to buy the SIEMENS HF322N safety switch worldwide?

3G Electric supplies the SIEMENS HF322N fusible safety switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this Siemens safety switch.

How to install the SIEMENS HF322N safety switch?

Install the SIEMENS HF322N in a dry indoor location on a flat surface using the mounting holes. Ensure the disconnect is in the OFF position, wire per local codes using copper conductors rated for 60 A, and install correct Class H or R fuses. Always de-energize upstream power 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
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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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