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CA4-22E

The ABB CA4‑22E is a 4‑pole front‑mounted auxiliary contact block designed to provide extra signaling and control contacts for contactors in industrial electrical systems. It mounts directly on compatible ABB contactors to extend their auxiliary contact capacity. The block includes two normally open (2 NO) and two normally closed (2 NC) instantaneous auxiliary contacts, making it useful for feedback, interlocking, and control logic applications

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Key Parameters Parameter Specification Product Type Auxiliary contact block (front‑mounted) Model / Part Number CA4‑22E Poles / Contacts 4‑pole with 2 NO + 2 NC contacts Mounting Style Front mounting on contactor Contact Configuration Instantaneous auxiliary contacts Rated Operational Voltage (Auxiliary) Up to 690 V AC for auxiliary circuits Rated Operational Current Approx. 6 A @ 24–127 VAC; 2 A @ 500–690 VAC (AC‑15); DC ratings vary by voltage Rated Insulation Voltage (Ui) Up to 690 V (IEC standard) Rated Impulse Withstand Voltage (Uimp) Typically 6 kV Frequency 50 / 60 Hz Terminal Type Screw terminals Contact Duty Instantaneous switching for control circuits Operating Cycles ~1200 cycles/h (AC), ~900 cycles/h (DC) Compatibility Designed for use with ABB AF contactor range (e.g., AF09 through AF96) Connection Capacity Flexible and rigid conductors ~0.75–2.5 mm² Protection Class IP20 on terminals (typical) Approx. Dimensions ~46 × 46 × 46 mm (cube‑like) Approx. Weight ~0.055 kg Application Extend auxiliary contacts on contactors for control signals, interlocks, and automation logic