00L0116097E Contactor

Description

The Siemens Auxiliary Contact Block 3RH2911-2HA22 is designed to enhance the functionality of Siemens contactors, providing additional auxiliary contacts for control circuits in industrial applications, including woodworking CNC machines. 

Key Features:

• Contact Configuration: Equipped with 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, allowing for versatile control schemes.

• Mounting Position: Designed for front mounting on Siemens SIRIUS 3RT2 contactors and 3RH2 contactor relays, facilitating straightforward installation.

• Terminal Type: Features spring-loaded terminals, ensuring secure and reliable electrical connections.

• Protection Rating: Offers an IP20 protection rating on the front, suitable for standard industrial environments.

• Ambient Temperature Range: Operates effectively within a temperature range of -25°C to +60°C, accommodating various operating conditions.

Technical Specifications:

• Operational Current:

  • AC-15 (Control of Electromagnetic Loads):
    • At 24 V: 10 A
    • At 110 V: 6 A
    • At 230 V: 3 A
  • DC-13 (Control of Electromagnetic Loads):
    • At 24 V: 6 A
    • At 110 V: 1 A
    • At 220 V: 0.3 A

• Mechanical Durability: Rated for up to 10 million operating cycles, ensuring long-term reliability.

Considerations:

When integrating the Siemens 3RH2911-2HA22 auxiliary contact block into your woodworking CNC machine:

• Compatibility: Ensure that the contact block's specifications align with your existing Siemens contactors to maintain optimal performance.

• Installation: Follow Siemens' guidelines for installation to prevent potential issues and ensure accurate operation.

• Maintenance: Regularly inspect the contact block as part of your machine's maintenance routine to detect and address any signs of wear or malfunction promptly.

By selecting the Siemens 3RH2911-2HA22 auxiliary contact block, you enhance the control capabilities of your woodworking CNC machinery, contributing to its efficiency and reliability.