Schneider 29450 | standard auxiliary contact, circuit breaker status OF/SD/SDE/SDV, 1 changeover contact type, screwless spring terminals

Technical Specifications

• Manufacturer: Schneider Electric

• Product Reference: 29450

• Device Type: Auxiliary Contact

• Function: Status indication for circuit breaker (Open/Closed/Tripped)

• Contact Type: 1 changeover contact (SPDT)

• Contact Status Types Supported:

  • OF: Open/Closed position

  • SD: Tripped status indication

  • SDE: Fault trip indication

  • SDV: Voltage trip status

• Terminal Type: Screwless spring terminals

• Mounting Location: Inside the circuit breaker (side-mounted or front-mounted depending on the breaker model)

• Electrical Rating:

  • AC-12: 240V AC, 6A

  • DC-12: 220V DC, 0.3A

• Standards Compliance: IEC 60947-5-1

• Wiring Method: Tool-free, push-in spring terminals for quick and secure connection

• Indicator: Mechanically linked to breaker status for accurate position signaling

Key Features

• Real-Time Breaker Status Monitoring
  Accurately provides signals for breaker ON/OFF position or trip/fault status, which is essential for remote monitoring systems.

• Versatile Contact Functionality
  Supports multiple signal types (OF/SD/SDE/SDV), making it suitable for a variety of applications and system needs.

• Compact Design
  Integrates neatly within the breaker’s accessory slot, saving space in panels and distribution boards.

• Screwless Spring Terminals
  Enables fast, tool-free wiring with secure and vibration-resistant connections—ideal for both quick installation and long-term reliability.

• Reliable and Durable
  Designed for frequent switching and extended operation life in demanding environments.

• Standardized Compatibility
  Works with a wide range of Schneider Electric miniature and molded case circuit breakers, including Acti9 and Compact NSX series (confirm compatibility per breaker model).

Applications

• Remote Monitoring Systems
  Provides feedback to Building Management Systems (BMS), SCADA systems, or other automation platforms.

• Panel Indications
  Can be used to light indicator LEDs or trigger alarms on a control panel based on breaker status.

• Energy Management Systems
  Offers real-time data for managing power distribution and fault diagnostics in industrial and commercial buildings.

• Critical Systems Protection
  Ensures quick detection of circuit breaker trips or disconnections in essential circuits such as data centers, hospitals, or control rooms.

• Safety Systems
  Enables interlocking logic or safe shutdown protocols when circuit breaker status changes.