Features Long Service Life:100,000 full load on and off in AC-7a load category. Ultra-Quiet: Eliminates the obvious impact of the traditional contactor at the moment of pick-up and eliminates the low-frequency hum in the contactor operation. Suitable for most building electrical control areas, creating a super quiet environment Ultra-Energy-Saving: In the working state, the contactor needs to maintain a long-term energization to keep the coil in contact, which consumes a lot of electric energy in the process. The contactor optimizes the electromagnetic system, greatly reducing Low-inductive load for controlling household appliances and similar applications Can also be used to control the load of the household motor, and the control power should be reduced accordingly Specification: Item Type: Household AC Contactor Rated Current: 25A (AC-7a), 9A (AC-7b) Conventional Heating Current: 25A Rated Insulation Voltage: 500VAC Rated Operating Voltage: 400VAC Number of Main Contacts 4P : 4NO, 4NC, 2NO2NC  (optional) Electrical Life (times): 1x10x10x10x10x10 Mechanical Life (times): 1x10x10x10x10x10x10 Maximum Number of Switching Operations / 1h : 30 Rated Control Power Supply Voltage: AC230V Rated Work System: a) Eight-Hour Work System: This working system is the basic working system, and the free air heating current Ith of the contactor is determined by the working system. b)  Intermittent Periodic Work System: The rated operating frequency of the contactor under this working system is 30 times/h, and the load factor is 40%. Action (Operation) Conditions: When the ambient air temperature is in the range of -5 °C to +60 °C, the contactor is attracted to the rated control power supply voltage Us, so that the contactor should be in the range of (85% ~ 110%) Us. It can be reliably closed under any voltage; its release voltage is (20%~75%) Us.   Package List: 1 x Household AC Contactor Package List