ABB 1SDA073773R1 RTC 250VAC E2.2...E6.2 Changeover Contact Accessory for Air Circuit Breaker

The ABB 1SDA073773R1 RTC 250VAC E2.2...E6.2 is a changeover contact accessory designed for the SACE Emax 2 series air circuit breakers, providing reliable switching signal output at a rated voltage of 250V AC. Compatible with the full Emax 2 frame range from E2.2 through E6.2, the RTC 250VAC E2.2...E6.2 is an essential status-monitoring component for control panel integration and industrial automation applications.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with EU Restriction of Hazardous Substances Directive 2011/65/EU
• REACH: Compliant with EU REACH regulation (EC) No 1907/2006 on chemical safety
• IEC: Designed and tested in accordance with applicable IEC standards for low-voltage switchgear accessories
• ATEX: Certified for use in potentially explosive atmospheres per ATEX directive 2014/34/EU
• CE: Bears CE marking, confirming conformity with all applicable EU directives
• VDE: Tested and approved by VDE, the Association for Electrical, Electronic & Information Technologies
• WEEE: Compliant with EU Waste Electrical and Electronic Equipment Directive 2012/19/EU for responsible disposal

Applications & Use Cases

• Breaker position monitoring and status signalling in main distribution switchboards
• Control panel interlocking and remote indication circuits
• Industrial automation and SCADA system integration for Emax 2 ACBs
• Changeover switching in power distribution and motor control centres
• Hazardous area installations where ATEX-rated components are required