ABB 1SBN010140R1204 CA4-04N 4P Front Mounted Auxiliary Contact Block

The ABB CA4-04N (1SBN010140R1204) is a 4-pole front-mounted auxiliary contact block designed for use with ABB contactors in industrial automation and control panel applications. Part of the CA4 series, this compact auxiliary contact block provides reliable switching signals for control circuits, offering straightforward front mounting and a space-saving footprint of just 43 × 39.5 × 43 mm. Certified to IEC, UL, and CSA standards, the CA4-04N is a trusted choice for engineers specifying components across global installations.

Technical Specifications

Certifications & Standards

• IEC/EN 60947-5-1: International standard for low-voltage switchgear and controlgear — control circuit devices and switching elements
• UL 60335-2-40 LZGH2 A2L: UL safety standard for household and similar electrical appliances with A2L refrigerants
• UL 60947-5-1: UL standard for control circuit devices and switching elements
• CSA C22.2 No. 60335-2-40 LZGH2 A2L: Canadian Standards Association standard for appliances with A2L refrigerants
• CSA C22.2 No. 60947-5-1-14: CSA standard for low-voltage control circuit devices and switching elements
• RoHS II: Compliant with EU Directive on restriction of hazardous substances in electrical and electronic equipment

Applications & Use Cases

• Front mounting on ABB CA4 series contactors for expanded auxiliary contact capacity in control circuits
• Industrial automation panels requiring reliable status signalling and interlocking
• Motor control centres (MCCs) and motor starter assemblies
• HVAC and refrigeration control systems requiring UL/CSA A2L refrigerant compliance
• Machine building and OEM equipment where compact, certified contact blocks are specified