3RH1122-2BB40 | Siemens Contactor Relay

Description 

The 3RH1122-2BB40 is a Siemens 4-pole contactor relay with 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts.

Technical Specifications 

Information About 3RH1122-2BB40

The 3RH1122-2BB40 is a contactor relay from Siemens’ 3RH11 series, designed for efficient switching of auxiliary and control circuits in industrial automation systems.

Key Features:

• Type: Contactor Relay
• Series: 3RH11
• Poles / Contact Configuration: 4-pole (2 Normally Open [2 NO] + 2 Normally Closed [2 NC])
• Control Voltage: 24V DC
• Coil Type: DC operation with built-in suppressor circuit for noise reduction and increased contact life
• Mounting: DIN rail mountable for easy installation
• Connection Type: Screw terminals
• Electrical Life: High switching durability (refer to datasheet for exact cycles)
• Certifications: IEC, UL, CSA compliant
• Applications:
  Ideal for switching auxiliary loads, controlling signals, and integrating into industrial control panels and automation systems.

The 3RH1122-2BB40 provides a compact, reliable solution for managing control signals and auxiliary circuit switching in a wide range of industrial applications.

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