ABB 1SCA022353R4890 OA1G01 16A Auxiliary Contact Block for Industrial Control Panel Switching

The ABB OA1G01 (SKU: 1SCA022353R4890) is a 16A auxiliary contact block designed for use in industrial control panels and automation switchgear assemblies. This compact, lightweight component — weighing just 15 g and measuring 11 × 21 × 37 mm — delivers reliable auxiliary switching signals for monitoring and interlocking applications across a wide range of industrial environments.

Technical Specifications

Certifications & Standards

• CE: Conforms to European Union safety, health, and environmental protection requirements
• RoHS: Compliant with the Restriction of Hazardous Substances Directive — free from restricted materials
• REACH: Compliant with EU REACH regulation on chemical substance safety
• WEEE: Registered under the Waste Electrical and Electronic Equipment Directive for responsible disposal

Applications & Use Cases

The ABB OA1G01 auxiliary contact block is well suited for a broad range of industrial and commercial automation applications, including:

• Control panel status monitoring and feedback signalling
• Interlocking circuits in motor control centres (MCCs)
• Auxiliary switching in switchgear and distribution boards
• Automation and PLC-based control systems
• Integration alongside ABB contactors, motor starters, and protective devices

Its compact 11 × 21 × 37 mm footprint makes the OA1G01 ideal for space-constrained enclosures, while the 16A rated current ensures compatibility with standard industrial control voltages and loads.