ABB 1SAE901901R1020 EH04-20N 0NO+0NC 2P 6A 500V AC Auxiliary Contact Block

The ABB EH04-20N (SKU: 1SAE901901R1020) is a 2-pole auxiliary contact block rated at 6 A and 500 V AC, designed for use in auxiliary circuits operating at 50 Hz. The EH04-20N provides a compact and reliable signalling and interlocking solution for control panels, motor starters, and industrial automation systems, measuring just 9 × 65 × 85 mm and weighing only 0.04 kg.

Technical Specifications

Certifications & Standards

• IEC/EN 60947-5-1: Low-voltage switchgear and controlgear — control circuit devices and switching elements
• IEC 60947-5: International standard for control circuit devices
• EN 60947-5: European harmonised standard for control circuit devices
• IEC/EN 60947-5: Combined IEC/EN compliance for low-voltage control circuit devices
• IEC 60068-2: Environmental testing — verified for durability under climatic and mechanical stress
• CE: Conformité Européenne — compliant with EU safety, health, and environmental requirements
• RoHS: Restriction of Hazardous Substances — free from restricted hazardous materials
• REACH: Registration, Evaluation, Authorisation and Restriction of Chemicals compliance
• WEEE: Waste Electrical and Electronic Equipment directive compliance
• CSA: Canadian Standards Association certification
• CCC: China Compulsory Certification for the Chinese market
• UKCA: UK Conformity Assessed — compliant for the Great Britain market post-Brexit

Applications & Use Cases

• Auxiliary signalling and status indication in motor starter assemblies
• Interlocking and feedback circuits in control panels and distribution boards
• Industrial automation and PLC-based control systems
• Machine control and safety interlock circuits
• Process control equipment requiring compact, reliable auxiliary switching