Key Technical Parameters General & Electrical Ratings Product / Model: ABB UA95‑30‑11 Capacitor Duty Contactor Part Number: 1SFL431022R8011 Device Type: 3‑pole AC contactor (capacitor duty) Control / Coil Voltage: 220–230 V AC at 50 Hz; 230–240 V AC at 60 Hz Poles: 3 main contacts (normally open) Auxiliary Contacts: 1 normally open (NO) + 1 normally closed (NC) Rated Insulation Voltage (Ui): 1000 V (IEC) / 600 V (UL) Mounting: DIN rail or panel mount with cable clamp terminals Ambient Operating Temperature: –40 °C to +70 °C (no thermal relay), –25 °C to +50 °C (with thermal relay) Storage Temperature: –60 °C to +80 °C Degree of Protection: IP20 housing level Standards Compliance: IEC 60947‑4‑1 / VDE 0110; UL/CSA Performance & Switching Rated Operational Power for Capacitive Loads (AC‑6b): • ~35 kvar at 230–240 V AC • ~65 kvar at 400–415 V AC • Up to ~80 kvar at 690 V AC depending on rating conditions Maximum Permissible Peak Current: ~30× nominal RMS current Rated Operational Voltage (Main Circuit): Up to 1000 V AC Short‑Time Withstand Current (Icw): • ~800 A for 10 s at 40 °C • ~350 A for 1 min at 40 °C Mechanical Switching Frequency: ~3600 operations/hour Electrical Switching Frequency: ~240 operations/hour Mechanical & Physical Terminal Connections: Cable clamp, hexagon screw Tightening Torque (Main): ~8 N·m Typical Dimensions: ~130 mm (W) × ~265 mm (L) × ~162 mm (H) Weight: ~2 kg Typical Applications Capacitor Bank Switching: Safe, reliable switching of capacitive loads. APFC Panels: Automatic power factor correction assemblies in industrial and commercial distribution. Harmonic‑Rich Systems: Designed to tolerate stress from reactive loads and repeated switching. General Control Systems: For systems requiring reliable capacitive load switching.