Technical Parameters Electrical Ratings Rated Operational Current (Ie): 20 … 25 A adjustable range Number of Poles: 3 Rated Operational Voltage: up to 690 V AC / 250 V DC Rated Service Short‑Circuit Breaking Capacity (Ics): ~50 kA @ 400 V AC Trip Class: Class 10 (thermal overload protection) Frequency: 50 / 60 Hz Rated Operational Power (Typical AC‑3): ≈ 12.5 kW at 400 V AC Phase Loss Sensitivity: Yes Disconnect Function: Built‑in Protection & Functional Features Overload Protection: Adjustable thermal overload trip Short‑Circuit Protection: Magnetic instantaneous trip Trip‑Free Mechanism: Yes, prevents “weld‑on” failure Clear Switch Position Indication: ON / OFF / TRIP Padlockable Handle: Yes, in OFF position Temperature Compensation: Included for consistent trip performance Mechanical & Installation Control / Actuation: Rotary handle Terminal Type: Screw terminals Mounting: DIN‑rail compatible / panel mount Degree of Protection: IP20 Pollution Degree: 3 Handle Lockable: Yes Physical & Environmental Width: ~45 mm Height: ~97.8 mm Depth: ~86.5 mm Weight: ~0.31 kg Operating Ambient Temperature: approx. –25 °C to +60/70 °C Storage Temperature: approx. –40 °C to +80 °C