Features 1. 【INCLUDING】: 1pc load breaker, fine processing, firm structure, high strength, support long-term stable operation. 2. 【PARAMETERS】: standard manufacturing, number of poles: 3 (3 poles, 3 phases, 3NO), rated voltage: 440V, insulation voltage (Ui): 660V. 3. 【SAFETY】: With this circuit breaker, it can effectively protect the function of fingers, prevent the danger of electric shock, and improve the safety of household electricity use. 4. 【APPLICATION】: Strong practicability, 80A100A current optional, suitable for machine tools, machinery, chemical industry, textile and other fields. 5. 【SIZE】: 70*80*115mm / 2.76*3.15*4.53in, the circuit breaker is small in size, compact in structure and stable in performance. Specification: Rated current: 80A/100A (optional) Number of poles: 3 (3 Poles, 3 Phases, 3NO) Rated voltage: 440V Insulation voltage(Ui): 660V Shell material: Flame retardant plastic Contact material: Silver Dimension: 70*80*115mm / 2.76*3.15*4.53in   Package List: 1 x Load Circuit  Breaker Switch 4 x Screw + Nut Package List