Triconex A9A26924

Triconex A9A26924

Product Introduction: The Schneider Electric A9A26924 is an auxiliary contact block from the Acti9 series, designed to be mounted onto contactors and circuit breakers. It provides additional signaling and control contacts (1 changeover contact: 1 normally open and 1 normally closed) to indicate the state of the main device or to extend its control capabilities. The Acti9 series is optimized for industrial and commercial applications requiring reliability and safety.

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Category: SKU: Triconex A9A26924

Description

Triconex A9A26924

Technical Specifications:

  • Type: Auxiliary contact block
  • Contact configuration: 1 C/O (1 normally open + 1 normally closed)
  • Rated operational current: Typically up to 10 A at 230 V AC/DC (verify with datasheet)
  • Rated insulation voltage: 690 V
  • Attachment: Compatible with Acti9 contactors and circuit breakers
  • Terminal type: Screw terminals for secure wiring
  • Operating temperature: -20 °C to 60 °C (per Acti9 series specs)
  • Certifications: IEC/EN 60947-5-1, UL, CSA (typical for Acti9 auxiliary contacts)

Functional Features:

  • Provides additional signaling contacts for status indication or control logic
  • Facilitates remote indication of device state
  • Easy mounting onto main devices without tools
  • Reliable contact operation with long electrical life
  • Supports both AC and DC applications

Application Scenarios:

  • Mounted on contactors to provide feedback signals to control systems
  • Used in control panels for motor starters, lighting control, and HVAC systems
  • Applied in safety circuits where auxiliary signaling is required
  • Suitable for industrial automation and building management systems

Performance Parameters:

  • Low power consumption for control circuits
  • High durability with mechanical endurance up to millions of operations
  • Electrical endurance suitable for frequent switching

Material and Structural Characteristics:

  • Housing: Thermoplastic with high flame-retardant properties
  • Contacts: Silver-alloy for low contact resistance and long life
  • Terminals: Corrosion-resistant plated metal with screw clamps

Working Principle: When the main device (contactor or circuit breaker) changes state, the auxiliary contact block mechanically actuates the contacts, changing the state of the NO and NC terminals. This provides a signal to control circuits indicating whether the main device is open or closed. Installation Requirements:

  • Snap onto the front of the compatible Acti9 device
  • Connect control wiring to the terminal screws following the schematic
  • Ensure correct orientation and secure engagement
  • Observe rated current and voltage limits

Usage Notes:

  • Use within rated electrical and environmental specifications
  • Periodically check for proper operation and contact integrity
  • Replace if signs of wear or contact welding appear
  • Ensure compatibility with the specific Acti9 device model

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