The contactor covered with a dust cover greatly improves the service life and Pull-in time of the product, thereby better protecting the equipment.It mainly applies to the circuit of AC 50Hz/60Hz, and rated insulation voltage 660V. When used in AC-3, and rated voltage is 380V, rated current up to 620A, for long distance breaking circuit and frequently starting or control the motor. Combined with proper thermal overload relay can protect load circuit. Contactor can frequently start and control AC electromotor.
This product conforms to GB14048.4?=IEC60947-4-1 standard.