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Siemens 2NC Auxiliary Contact Block 3RH1921-1EA02

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Description

Siemens 3RH1921-1EA02 Auxiliary Contact Block

The Siemens 3RH1921-1EA02 is a lateral auxiliary contact block designed to enhance the functionality of Siemens SIRIUS 3RT1 series contactors. Featuring two normally closed (NC) contacts, this module provides reliable auxiliary switching capabilities for various industrial applications.

Key Features

  • Contact Configuration: 2 NC contacts
  • Mounting Type: Snap-on lateral mounting
  • Terminal Type: Screw terminals
  • Compatibility: Suitable for use with Siemens SIRIUS 3RT1 motor contactors, contactor relays, and power contactors ranging from size S0 to S12
  • Operating Voltage: Rated for 690 VAC and 600 VDC
  • Current Ratings: 10 A for AC-12, 6 A for AC-14/AC-15, and 10 A for DC-12/DC-13 applications
  • Durability: Mechanical lifespan of up to 10 million operations and electrical lifespan of approximately 200,000 operations at AC-15, 230 V
  • Environmental Conditions: Operating temperature range from -25°C to +60°C; storage temperature range from -55°C to +80°C
  • Protection Rating: Front-side protection rated at IP20
  • Certifications: Complies with UL, CSA, CE, CCC, and EAC standards

Dimensions

  • Height: 80 mm
  • Width: 10 mm
  • Depth: 71 mm

The Siemens 3RH1921-1EA02 auxiliary contact block is engineered for seamless integration with SIRIUS contactors, offering dependable auxiliary switching performance in demanding industrial environments.

Additional information

Brand

Siemens

Product Type

auxiliary switch

Model

SIEMENS 3RH1921-1EA02

MPN

3RH1921-1EA02

Country/Region of Manufacture

Germany

Condition

New

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Siemens 2NC Auxiliary Contact Block 3RH1921-1EA02Siemens 2NC Auxiliary Contact Block 3RH1921-1EA02
$25.00

Availability: 3 in stock

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