Direct On Line starter. The Direct On Line Motor Starter (DOL) consist a MCCB or Circuit Breaker, Contactor and an overload relay for protection. Electromagnetic contactor which can be opened by the thermal overload relay under fault conditions.
The contactor is controlled by separate start and stop buttons, and an auxiliary contact on the contactor is used, across the start button, as a hold in contact. I.e. the contactor is electrically latched closed while the motor is operating
Starting method for electric motors. Suitable for a number of applications including woodworking, dust collecting and metal recycling machinery. Product contents:2 x DOL starters, Hylec contactors and M4 mounting combination screws. Specifications:5.5kW. AC3 at 400V rating. 2 DOL starter. 240V AC coil. Requires DETH overload.