Schneider Auxiliary Switch “OF” or “SD” – 1 C-O (MCCB)
₨ 9,500
₨ 7,125
- Designed for MCCBs – Compatible with NSX 100-250, NSX 400-630, NS800-NS1600 series breakers
- “OF” (Open/Closed) Indication – Provides real-time breaker status monitoring
- “SD” (Trip Indication) Function – Detects and signals breaker trip events
- Enhances Remote Monitoring – Improves system control and diagnostics
- Reliable and Durable Build – Engineered for long-lasting performance
- Compact and Easy to Install – Simple integration into MCCB systems
- Improves Electrical Safety – Helps prevent operational hazards
- Ideal for Industrial and Commercial Use – Perfect for power distribution networks
Additional information
| Ampere Rating | 100A, 250A, 400A, 630A, 800A, 1600A |
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Product Specifications
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Product type
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auxiliary switch
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model
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“of” (open/closed indication) / “sd” (trip indication)
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operating function
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1 c-o (changeover)
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compatibility
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nsx 100-250, nsx 400-630, ns800-ns1600 mccbs
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mounting type
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internal installation within the mccb
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application
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electrical panel monitoring, power distribution systems
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material
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high-quality insulated components
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usage
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enhances circuit breaker functionality and system protection
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Product Details
The Schneider Electric Auxiliary Switch (OF or SD) – 1 C-O is a high-quality optional accessory designed to enhance the functionality and monitoring capabilities of Moulded Case Circuit Breakers (MCCBs). Specifically engineered for use with NSX 100-250, NSX 400-630, NS800-NS1600 MCCBs, this auxiliary switch plays a crucial role in signaling circuit breaker status to external monitoring systems.
The “OF” (Open/Closed) auxiliary switch provides a clear indication of whether the breaker is in the ON or OFF position, ensuring effective remote monitoring and system integration. On the other hand, the “SD” (Trip Indication) auxiliary switch detects and signals when the breaker has tripped due to a fault, allowing for quick response and system diagnostics.
Built with robust and reliable components, the Schneider Electric Auxiliary Switch ensures high durability and seamless operation under various electrical conditions. This compact, easy-to-install accessory significantly improves operational safety, maintenance efficiency, and overall system protection by offering real-time breaker status feedback.
Ideal for industrial, commercial, and power distribution applications, this auxiliary switch is a valuable addition to any Schneider Electric MCCB system, enabling enhanced control, monitoring, and safety compliance.







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