Square D ComPact NSXm Auxiliary Contact, OF/SD Circuit Breaker Status
The Square D standard auxiliary contact is a single OF/SD signaling contact used on ComPact NSXm and PowerPact B circuit breakers to provide remote indication of breaker status. The OF contact reports the open/closed position of the main contacts, while the SD contact signals a trip event caused by overload or short-circuit conditions. Rated Ie 5 A at 24/48 V AC 50/60 Hz (AC-12) with a minimum load of 2 mA at 17 V DC, and an Ith conventional free air thermal current of 5 A, this contact delivers reliable local ON/OFF and trip indication for panel builders, electricians, and system integrators working on commercial and industrial installations.
Key Features
- Signal Composition: 1 NO/NC changeover contact configuration for flexible remote wiring.
- Range Compatibility: Designed for ComPact NSXm and PowerPact B circuit breaker ranges.
- Local Signalling: ON/OFF indication for open/close position plus trip indicator for relay trip status.
- Fault Detection: Signals trip events caused by overload or short-circuit faults.
- Electrical Rating: Ie AC-12: 5 A at 48 V AC and 5 A at 24 V AC, 50/60 Hz; minimum load 2 mA at 17 V DC.
- Thermal Current: Ith conventional free air thermal current of 5 A.
- Connection Type: Spring-type auxiliary connection terminal with an 8 mm wire stripping length for front connection.
Technical Specifications
- Toxic Heavy Metal Free: Yes
- Sustainable Packaging: No
- Mercury Free: Yes
- Packaging Without Single Use Plastic: No
- ROHS Eur In Scope: Yes
- Recycled Metal Content At Cr Level: 0 %
- Serviceability: No
- With Recycled Cardboard: Yes
- WEEE Scope: In
- China ROHS In Scope: No
- Returnability: Yes
- Ith Conventional Free Air Thermal Current: 5 A
- Green Premium Status For Reporting: Green Premium product
Typical Applications
- Commercial and Industrial Electrical Installations
- Remote Circuit Breaker Status Monitoring
- Panelboard and Control Panel Wiring
- OEM and Control Panelbuilder Assemblies
- Overload and Short-Circuit Trip Signaling
Why Square D?
Square D auxiliary contacts are engineered for precise compatibility with ComPact NSXm and PowerPact B circuit breakers, giving panel builders and electricians dependable remote status signaling for overload and short-circuit conditions. With ROHS-compliant, mercury-free, and toxic-heavy-metal-free construction, this Green Premium product supports code-compliant, reliable performance in professional commercial and industrial electrical systems.
Manufacturer Resources
Product Specs
- Product Type:
- Auxiliary Contact
- Connection Type:
- Spring
- Amperage Rating:
- 5A
- Series:
- ComPact NSXm
- Listing:
- ROHS Compliant
- Department:
- Electrical
- Product Group:
- Wiring Devices