Technical Parameters Electrical Ratings Rated Operational Current (Ie): 25 … 32 A adjustable Number of Poles: 3 Rated Operational Voltage: Up to 690 V AC Rated Insulation Voltage (Ui): 690 V Frequency: 50 / 60 Hz Trip Class: Class 10 (thermal overload protection category) Service Short‑Circuit Breaking Capacity: ~50 kA @ 400 V AC Protection & Functional Features Motor Protection: Thermal overload protection with adjustable setting Magnetic instantaneous trip for short‑circuit response Phase loss protection Trip‑Free Mechanism: Yes (prevents contacts from welding closed under fault) Temperature Compensation: Ensures accurate trip behavior over ambient temperature variations Switch Function: ON/OFF with clear indicator Padlockable OFF Position: Yes, for maintenance safety Mechanical & Installation Control / Actuation: Rotary handle for manual operation Terminal Type: Screw terminals Mounting: Panel or DIN‑rail compatible Degree of Protection: IP20 Pollution Degree: 3 Connecting Capacity (typical): Main circuit: Flexible/rigid up to ~35 mm² depending on terminal Auxiliary circuits: Smaller cross‑sections as appropriate Tightening Torque: Typical motor starter recommended torque (e.g., ~3–6 N·m) Physical / Environmental Approx. Width: ~45 mm Approx. Height: ~97–100 mm Approx. Depth: ~85–90 mm Net Weight: ~0.30–0.35 kg Operating Ambient Temperature: approx. –25 °C to +60 °C Storage Temperature: broader industrial range