DTNFC321 The Siemens DTNFC321 is a 30A, 3-pole double throw safety switch designed for load transfer between power sources. It features surface mounting and mechanical lug connections.
Mfr Part #:

DTNFC321

Mfr Name: Siemens
Siemens
The Siemens DTNFC321 is a 30A, 3-pole double throw safety switch designed for load transfer between power sources. It features surface mounting and mechanical lug connections.
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DTNFC321 Specifications Quick View

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

DTNFC321 Description

Short technical summary and product information.

The Siemens DTNFC321 is a heavy-duty safety switch from the Low Voltage Circuit Protection line. This double throw switch is rated for 30A and operates at 240V with 3 poles and 3 wires.

 

Designed for reliable load transfer between power sources, the DTNFC321 offers a mechanical service life of typically 10,000 switching cycles. Its construction includes a steel housing of Type 1 design and utilizes mechanical lugs for electrical connections.

 

The switch is designed for surface mounting, making installation straightforward in various industrial and commercial applications. Its robust build and specific functionality make it suitable for critical power switching scenarios where safety and dependability are paramount.

 

This component is CSA certified and meets UL98 standards, ensuring compliance with safety regulations for low voltage circuit protection equipment.

DTNFC321 Quick Information

Product Type: Safety Switch
Series: NF
Canonical Name: Siemens DTNFC321 Double Throw Safety Switch
Subcategory: Double Throw Switch

DTNFC321 Compliance

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

DTNFC321 Features

  • 30A ampacity for power handling.
  • 3-pole configuration for circuit control.
  • 240V rated for electrical systems.
  • Surface mount for easy installation.
  • Mechanical lugs for secure connections.

DTNFC321 Applications

  • Load transfer between power sources.
  • Industrial power distribution.
  • Commercial electrical systems.
  • Safety critical switching.

DTNFC321 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the ampacity of the Siemens DTNFC321 switch?

The Siemens DTNFC321 switch has an ampacity of 30 A.

How many poles does the DTNFC321 safety switch have?

The DTNFC321 safety switch has 3 poles.

What is the supply voltage frequency rating for the DTNFC321?

The supply voltage frequency rating for the DTNFC321 is 50/60 Hz.

What is the typical mechanical service life of the DTNFC321?

The typical mechanical service life of the DTNFC321 is 10,000 switching cycles.

What type of electrical connection does the DTNFC321 use?

The DTNFC321 uses mechanical lugs for electrical connections.

What is the housing type of the Siemens DTNFC321?

The housing type of the Siemens DTNFC321 is Type 1.

What is the suitability for operation of the DTNFC321?

The DTNFC321 is suitable for load transfer between power sources.

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