ABB 1SBN010140R1104 CA4-04M 4P Front Mount Auxiliary Contact Block

The ABB CA4-04M (SKU: 1SBN010140R1104) is a 4-pole front-mounted auxiliary contact block from the CA4 series, designed for integration with ABB contactors in industrial automation and control panel applications. Compact and reliable, the CA4-04M provides supplementary switching contacts for signalling, interlocking, and monitoring circuits. Weighing just 55 g and measuring 43 × 39.5 × 43 mm, it is engineered for space-efficient panel builds.

Technical Specifications

Certifications & Standards

• IEC/EN 60947-5-1: International standard for low-voltage switchgear and controlgear — control circuit devices and switching elements
• UL 60947-5-1: UL-listed compliance with the control circuit devices and switching elements standard
• UL 60335-2-40 LZGH2 A2L: UL recognition for use with A2L refrigerant HVAC/R applications
• CSA C22.2 No. 60947-5-1-14: Canadian Standards Association certification for control circuit devices
• CSA C22.2 No. 60335-2-40 LZGH2 A2L: CSA recognition for A2L refrigerant HVAC/R equipment applications
• RoHS II: Compliant with EU Directive 2011/65/EU restricting hazardous substances in electrical and electronic equipment

Applications & Use Cases

• Supplementary signalling and interlocking circuits in motor control centres
• Control panel automation with ABB contactors requiring additional switching contacts
• HVAC/R systems requiring A2L refrigerant-rated auxiliary switching (UL/CSA approved)
• Industrial machinery and process automation control wiring
• Building automation and facility management panels