ABB 2CCS800900R0021 S800-AUX/ALT Auxiliary/Signal Contact Block 50kA DIN Rail Mount

The ABB S800-AUX/ALT (SKU: 2CCS800900R0021) is an auxiliary and signal contact block designed for use with ABB S800 series circuit breakers, providing reliable status indication and remote signalling in industrial control panels. The S800-AUX/ALT delivers a breaking capacity of 50 kA at 415V AC and mounts directly to DIN rail for quick, tool-free installation in compact switchgear assemblies.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with the Restriction of Hazardous Substances Directive, confirming the product is free from restricted materials.
• REACH: Compliant with EU REACH regulation on chemical substances, safe for use in European markets.
• IEC 60947-5-1 / UL 489: Tested and certified to international standards for low-voltage control circuit devices and switching elements.
• IEC 60947-5: Meets IEC requirements for control circuit devices used in industrial switching applications.
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for proper end-of-life disposal and recycling.

Applications & Use Cases

• Status indication and fault signalling for ABB S800 series miniature circuit breakers in LV switchboards
• Remote monitoring of breaker tripped/open/closed state in building management and industrial automation systems
• Integration with PLCs and SCADA systems requiring auxiliary contact feedback from circuit protection devices
• Machine control panels, motor control centres (MCCs), and distribution boards requiring compact DIN rail accessories