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Contactors and Overloads
Manual Motor Protectors
  • Up to 100A
  • UL and CE Certified
  • Up to 100kA Interrupt capacity
Enclosed Motor Starters

  • Enclosed D.O.L Motor Starters (1/6HP-75HP)
  • Enclosed Combination Motor Starters (1/2HP-200HP)
  • Combination Soft Starters (5-1200HP)

Definitions

Combination Motor Starter – applies full line voltage to the electric motor. Typically consists of a magnetic contactor and a thermal overload protection device. In addition, short circuit protection is provided as well as a means of external power disconnect (such as an on/off operator handle).

Combination Soft Starter – applies a reduced voltage when starting the electric motor in order to reduce inrush currents. Soft starters include features that allow adjustments to voltage ramp, current limitation, starting time, kick start, and deceleration ramp.

Direct On Line (D.O.L.) Motor Starter or across the line starter – applies the full line voltage to the electric motor. DOL starters typically consists of a magnetic contactor and a thermal overload protection device.

Magnetic Contactor - an electrically controlled switch used for switching an electrical power circuit. A contactor is controlled by a circuit that has a much lower power level than the switched power circuit.

Motor starter – a device or group of devices that controls the operation and/or performance of an electric motor.

Thermal Overload Relay - opens the starting circuit and thus cut the power to the motor in the event of the motor drawing too much current from the supply for an extended time. In the event of excessive current flowing through the motor circuit, a normally closed contact opens in order to disengage the motor control circuit.

  • Up to 800A
  • UL and CE Certified
  • Full line of optional accessories

Manual Motor Protectors

  • Up to 100A
  • UL and CE Certified
  • Up to 100kA Interrupt capacity

Enclosed Motor Starters

  • Enclosed D.O.L Motor Starters (1/6HP-75HP)
  • Enclosed Combination Motor Starters (1/2HP-200HP)
  • Combination Soft Starters (5-1200HP)