HF321SCH The Siemens HF321SCH is a 3-pole, 30A, 240V heavy duty safety switch with a Type 4X stainless steel enclosure. It is designed for industrial corrosive resistance and accepts Crouse-Hinds Arktite plugs.
Mfr Part #:

HF321SCH

Mfr Name: Siemens
Siemens
The Siemens HF321SCH is a 3-pole, 30A, 240V heavy duty safety switch with a Type 4X stainless steel enclosure. It is designed for industrial corrosive resistance and accepts Crouse-Hinds Arktite plugs.
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HF321SCH Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accessory Type
Material
Mounting Type
Number of Poles
Operating Voltage

HF321SCH Description

Short technical summary and product information.

This Siemens HF321SCH is a heavy duty safety switch designed for robust applications requiring protection for portable equipment. It features a 3-pole configuration with a 30A ampacity and a 240V rating, suitable for 50/60Hz power supplies.

 

The switch is housed in a durable Type 4X stainless steel enclosure, offering excellent resistance to industrial corrosive environments. Its mechanical design includes a single throw actuating element and accepts Crouse-Hinds Arktite plugs, providing an interlocked plug connection for safety.

 

With a typical mechanical service life of 10,000 switching cycles, this safety switch is built for reliability. It operates within an ambient temperature range of -29°C to 85°C. The UL98 certification ensures compliance with relevant safety standards.

HF321SCH Quick Information

Product Type: Safety Switch
Canonical Name: Siemens Heavy Duty Safety Switch
Subcategory: Safety Switch

HF321SCH Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

HF321SCH Features

  • 30A ampacity at 240V
  • 3-pole configuration
  • Type 4X stainless steel enclosure
  • Accepts Arktite plugs
  • UL98 certified

HF321SCH Applications

  • Protects heavy duty portable equipment in industry.
  • Suitable for corrosive industrial environments with Type 4X.
  • Accepts Crouse-Hinds Arktite plugs for secure connection.
  • Provides interlocked plug safety for high-amp circuits.
  • Rated for 30A, 240V three-phase systems.

HF321SCH FAQs

7 frequently asked questions generated from this part’s specifications.
What is the ampacity of the Siemens HF321SCH safety switch?

The Siemens HF321SCH safety switch has an ampacity of 30 A.

What is the operating voltage for the HF321SCH?

The HF321SCH safety switch is rated for 240V.

How many poles does the HF321SCH have?

The HF321SCH has 3 poles.

What is the enclosure type for the Siemens HF321SCH?

The enclosure type for the Siemens HF321SCH is Type 4X.

What is the material of the HF321SCH enclosure?

The enclosure material is 304 Stainless Steel.

What is the typical mechanical service life of the HF321SCH?

The typical mechanical service life is 10000 switching cycles.

What is the operating temperature range for this safety switch?

The operating temperature range is from -29 °C to 85 °C.

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