ABB 1SCA022819R5260 OA3G01AU Auxiliary Contact

The ABB OA3G01AU (SKU: 1SCA022819R5260) is a compact auxiliary contact designed for use with ABB switching and protection devices in industrial control and automation panels. Measuring just 40 × 30 × 11 mm and weighing 18 g, the OA3G01AU delivers reliable auxiliary switching signals in space-constrained installations where accurate status feedback and interlocking are essential.

Technical Specifications

Certifications & Standards

• RoHS: Compliant with the Restriction of Hazardous Substances Directive — free from restricted hazardous materials including lead, mercury, and cadmium.
• REACH: Compliant with EU REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals), confirming safe chemical substance management.
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive, supporting responsible end-of-life recycling and disposal.

Applications & Use Cases

• Status signalling and feedback in motor control centres (MCCs)
• Interlocking circuits in industrial control panels
• Automation and PLC input signalling for switchgear position monitoring
• Retrofitting or expanding auxiliary contact functionality on compatible ABB devices