Parameters Rated Operational Voltage: Up to 690 V AC/DC on main circuit contacts. Control Coil Voltage: 24 V DC. Auxiliary Contact Configuration: 1 NC (normally closed). Main Contact Configuration: 3 NO (normally open). Control Circuit: DC coil with polarity (A1/A2) connections for reliable operation. Contact Ratings: Suitable for switching moderate currents typical in motors, heaters, and control loads. Mechanical & Performance Poles: 3 main poles plus 1 auxiliary NC contact. Mechanical Durability: High cycle life designed for industrial duty. Operate / Release Times: Fast actuation and release suitable for control logic requirements. Connection Type: Screw‑type terminals for secure wiring of main and auxiliary circuits. Mounting: Designed for panel or DIN‑rail integration via a compatible socket. Environmental & Protection Operating Temperature Range: Suitable for typical industrial ambient conditions. Storage Temperature Range: Suitable for standard handling and storage conditions. Terminal Protection: Basic touch protection at terminals when installed in an enclosure. Physical Dimensions Width: ~45 mm Depth: ~72.5 mm Height: ~68 mm Weight: ~0.28 kg Typical Applications Motor control: Switching three‑phase motors in automation and industrial systems. Control panels: Main switching element in contactor and starter assemblies. Automation systems: Interfacing low‑power DC control logic with high‑power AC circuits. General power control: Load switching in heating, lighting, and machine control circuits.