The ABB auxiliary switch block CA4-22E (1SBN010140R1022) expands the functionality of circuit breakers by providing additional contacts for control, signaling, and monitoring tasks. This module is part of ABB’s modular CA4 system. This block offers two normally open (NO) contacts. It is designed for easy attachment to suitable circuit breaker types and ensures a reliable electrical connection. Installation is tool-free. Ideal for use in switchgear, power distribution systems, and industrial automation applications to implement complex switching logic and secure status indications. Order your replacement part now.
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