This manual describes the WS series low‑voltage air circuit breakers, covering general use, generator protection, and special applications. It includes product specifications, connection methods, charging options, and accessory information for both fixed and drawout types.
The document also details electronic trip relay features, network communication options (CC‑Link®, PROFIBUS‑DP, MODBUS®), setting procedures, wiring diagrams, and service network contacts worldwide. Optional modules such as ground‑fault protection and temperature alarms are explained, along with power‑supply variants and safety improvements.