Home » Auxiliary Switch »NK Auxiliary Switch » F4 Contactor Auxiliary Contact Block 1NO+1NC
  • F4-11 Contactor Auxiliary Contact
  • F4-22 Contactor Auxiliary Contact
F4-11 Contactor Auxiliary Contact
F4-22 Contactor Auxiliary Contact

F4 Contactor Auxiliary Contact Block 1NO+1NC

Model: F4-11; F4-22

Description

The F4 auxiliary contact block is designed to be mounted on the front of compatible contactors to extend auxiliary functions. It provides additional normally open (NO) and normally closed (NC) contacts for signaling, control, and interlocking applications.
  • Features
  • Dimension
  • Ordering Instructions

Key Features of  F4 auxiliary contact block 

  • Compact design, easy front-mounting installation

  • Contact configuration: 1NO+1NC(Model: F4-11)/2NO + 2NC (Model: F4-22)

  • Reliable performance with long electrical and mechanical life

  • Clearly labeled terminals for quick wiring

  • Compatible with standard modular contactors in industrial control systems

Technical Specifications:

  • Rated insulation voltage: 690V

  • Conventional thermal current (Ith): 10A

  • Electrical life: ≥ 1 million operations

  • Mechanical life: ≥ 10 million operations

  • Mounting position: Front-mounted on contactors

  • Standard compliance: IEC/EN 60947-5-1

Applications:

  • Motor control circuits

  • Interlocking systems

  • Signaling and feedback loops

  • PLC input interface expansion

Dimensional drawing 

F4-11 Contactor Auxiliary Contact drawing F4-22 Contactor Auxiliary Contact drawing

 

Ordering instructions of F4 auxiliary contact block

1. Product name, model, quantity
2. Indicate the number of contact pairs and switch sections, type and installation method
3. Whether to use connection accessories
4. If the user has other special requirements, please specify

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