ABB 1SVR500100R0000 CT-ERD.12 ON-Delay Timer Relay 1C/O 24-240V AC 24-48V DC 6A DIN Rail

The ABB CT-ERD.12 (SKU: 1SVR500100R0000) is an ON-delay timer relay from the CT-D series, designed for precise time-controlled switching in industrial automation and control panel applications. Featuring a single changeover (1C/O) output contact rated at 6A and a wide supply voltage range of 24–240V AC / 24–48V DC, the CT-ERD.12 offers exceptional versatility across diverse electrical installations. Its compact 17.5 mm DIN rail form factor makes it ideal for space-constrained enclosures.

Technical Specifications

Certifications & Standards

• CE: Complies with European conformity requirements for electrical equipment
• UKCA: UK Conformity Assessed marking for the Great Britain market
• cULus: Listed by Underwriters Laboratories for both US and Canadian markets
• UL 508: Certified to UL standard for industrial control equipment
• CAN/CSA C22.2 No.14: Canadian Standards Association standard for industrial control equipment
• CSA C22.2: CSA Group electrical safety standard
• CSA: Canadian Standards Association certified
• IEC/EN 61812-1: International standard for time relays for industrial and residential use
• EN 61812: European standard for time relays
• IEC/EN 63000: Standard for technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances
• RoHS: Restriction of Hazardous Substances compliant
• REACH: Compliant with EU REACH regulation on chemical substances
• CCC: China Compulsory Certification for the Chinese market

Applications & Use Cases

• Machine start-up sequencing and motor control delay circuits
• HVAC system control and fan delay-off applications
• Industrial conveyor and process automation timing
• Control panel interlocking and sequential switching
• Building automation and lighting control systems