1. Main circuit: 3 main NO poles, AC-3 rated current 16 A; 7.5 kW motor load at AC 400 V
2. Control coil: AC 220 V (50 Hz) / 264 V (60 Hz), operating voltage tolerance 0.8~1.1 Ue
3. Built-in auxiliary contacts: 2 NO + 2 NC snap-action auxiliary contacts
4. Rated insulation voltage Ui: 690 V; impulse withstand voltage Uimp: 6 kV
5. Main terminal wire range: 1–10 mm² stranded cable, screw-type terminals
6. Auxiliary terminal wire range: 0.5–2.5 mm²
7. Compliance standard: IEC 60947-4-1, CCC, UL & CE certification
