Best Seller Siemens 3rh1921-1ea11 Set [0u4CIM7X]

Best Seller Siemens 3rh1921-1ea11 Set [0u4CIM7X] | Auxiliary Contact Block for Contactors

Overview

The Best Seller Siemens 3rh1921-1ea11 Set [0u4CIM7X] is a front-mountable auxiliary contact block designed for use with SIRIUS 3RT and 3RH contactors. It provides one normally open (NO) and one normally closed (NC) contact, offering flexibility for control and signaling circuits in industrial automation systems.

Key Features

• Contact Configuration: 1 NO + 1 NC

• Mounting Style: Front-mounted (snap-on design)

• Connection Type: Screw terminals

• Suitable For: 3RT1 and 3RH1 contactors

• Standards Compliance: IEC/EN 60947-5-1

• Insulation Voltage (Ui): 690 V

• Conventional Thermal Current (Ith): 10 A

• Mechanical Durability: >10 million operations

• Electrical Durability: ~1 million operations (AC-15)

Technical Specifications

• Catalog Number: 3RH1921-1EA11

• Utilization Category: AC-15, DC-13

• Operating Voltage: Up to 400V AC

• Mounting Position: Any

• Dimensions (H x W x D): Approx. 45 mm x 18 mm x 46 mm

• Weight: Approx. 50 g

• Ambient Temperature:

  • Operation: -25°C to +60°C

  • Storage: -55°C to +80°C

• Protection Rating: IP20

• Country of Origin: Germany

Applications

• Signal Switching: For auxiliary control circuits

• Contactor Feedback: Adds additional feedback points to contactor assemblies

• Machine Interlocking: Used in safety and interlocking logic

• Industrial Control Panels: Modular integration with contactors

Why Choose the 3RH1921-1EA11?

• Compact Design: Minimal space requirement in panel setups

• Tool-Free Mounting: Simple snap-on installation saves time

• Dual Contacts: Adds both NO and NC for flexible circuit control

• Siemens Quality: Long lifespan and reliable electrical performance

Order Now

Available and ready for fast worldwide delivery.