Square D S29450 Auxiliary Switch – 1A/1B Configuration – PowerPact MCCB Accessory

The Square D S29450 Auxiliary Switch is a circuit breaker accessory designed for PowerPact molded case circuit breakers (MCCBs). Manufactured by Schneider Electric under the Square D brand, this auxiliary switch provides remote indication of breaker status, allowing monitoring and control systems to determine whether a circuit breaker is open or closed. It is commonly used in industrial automation, power distribution, building management, and control applications.

Key Specifications

• Brand: Square D
• Manufacturer: Schneider Electric
• Model Number: S29450
• Series: PowerPact
• Product Type: Auxiliary Switch
• Circuit Breaker Type: Standard
• Configuration: 1A, 1B
  • 1 Normally Open (NO) Contact
  • 1 Normally Closed (NC) Contact

Compatibility

Supported PowerPact Frame Types

• DG, DJ, DL
• HD, HG, HJ, HL, HR
• JD, JG, JJ, JL, JR
• LD, LG, LJ, LL, LR
• MG, MJ
• PG, PJ, PK, PL
• RG, RJ, RK, RL

For Use With

• PowerPact Molded Case Circuit Breakers (MCCBs)
• Standard Circuit Breaker Configurations

Dimensions

• Length: 1.19 in
• Width: 0.49 in
• Height: 1.34 in

Certifications and Approvals

• UL Listed
• IEC Approved
• CSA Certified
• NEMA Compliant

Product Data

• Manufacturer Part Number (MPN): S29450
• UPC: 785901506416
• GTIN: 785901506416

Technical Function

• Provides electrical indication of breaker position.
• Changes contact state when the circuit breaker opens or closes.
• Enables remote status monitoring through control systems.
• Supports alarm, indication, automation, and supervisory functions.

Features and Benefits

• Compact design for easy installation inside compatible PowerPact breakers.
• Provides real-time breaker status feedback.
• Supports remote monitoring and automation systems.
• Improves operational awareness and system diagnostics.
• Compatible with a wide range of PowerPact breaker frame sizes.
• Reliable contact operation for industrial and commercial applications.

Applications

• Industrial Power Distribution Systems
• Commercial Electrical Panels
• Building Management Systems (BMS)
• Supervisory Control Systems
• SCADA Monitoring Systems
• Motor Control Centers
• Remote Breaker Status Indication
• Electrical Automation and Control Networks

Product Summary

• Brand: Square D
• Model: S29450
• Accessory Type: Auxiliary Switch
• Contact Configuration: 1A + 1B (NO + NC)
• Compatible With: PowerPact DG, HD, JD, LD, MG, PG, RG Series MCCBs
• Function: Remote breaker position indication and monitoring
• Certifications: UL, IEC, CSA, NEMA Approved
• UPC: 785901506416

Returns are easy

You may return items within 30 days of delivery for a refund.

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