DTNFC221 The Siemens DTNFC221 is a 2-pole, 30A, 240V double throw safety switch designed for load transfer between power sources. It features a durable steel construction and a Type 1 enclosure.
Mfr Part #:

DTNFC221

Mfr Name: Siemens
Siemens
The Siemens DTNFC221 is a 2-pole, 30A, 240V double throw safety switch designed for load transfer between power sources. It features a durable steel construction and a Type 1 enclosure.
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DTNFC221 Specifications Quick View

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

DTNFC221 Description

Short technical summary and product information.

This Siemens DTNFC221 is a heavy-duty safety switch designed for reliable operation in indoor environments. It offers a 30A ampacity and a 240V rating, making it suitable for load transfer between power sources.

 

The switch features a robust steel construction and a Type 1 enclosure, providing durability and protection. With 2 poles and a double throw action, it facilitates efficient power management.

 

The mechanical design includes surface mounting and mechanical lugs for electrical connections. It is rated for 10,000 switching cycles, ensuring a long mechanical service life. The operating temperature range is from -20F to 120F.

DTNFC221 Quick Information

Product Type: Safety Switch
Canonical Name: Siemens DTNFC221 Double Throw Safety Switch
Subcategory: Accessories

DTNFC221 Compliance

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

DTNFC221 Features

  • 30A ampacity for power handling.
  • 240V rating for voltage requirements.
  • Double throw action for load transfer.
  • Durable steel construction with Type 1 enclosure.
  • Rated for 10,000 switching cycles.

DTNFC221 Applications

  • Connects backup generators to building loads.
  • Transfers power between utility and generator sources.
  • Provides dual power source switching in panels.
  • Protects critical equipment during outages.
  • Integrates into commercial electrical distribution systems.

DTNFC221 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the ampacity of the Siemens DTNFC221 safety switch?

The ampacity of the Siemens DTNFC221 safety switch is 30 A.

What is the voltage rating for the DTNFC221?

The voltage rating for the DTNFC221 is 240V.

How many poles does the DTNFC221 have?

The DTNFC221 has 2 poles.

What is the operating temperature range for this safety switch?

The operating temperature range is -20F to 120F.

What is the mechanical service life of the DTNFC221?

The mechanical service life is typically 10,000 switching cycles.

What type of enclosure does the Siemens DTNFC221 feature?

The Siemens DTNFC221 features a Type 1 enclosure.

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