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Direct-On-Line-Starters (DOL) : IEC Contactor + Overload Relay Assemblies

  c3controls Series 620 DOL Starters are assemblies of a Series 300 Contactor and a Series 320 Overload Relay. The contactor provides the repeated On/Off switching for the motor. The overload relay includes Class 10 thermal trip elements for overload protection of the motor and motor branch circuit conductors. Just look and see what the Series 620 assembled starters have to offer.  

Product features include:

  • Modular design and common accessories including auxiliary contacts and surge suppressors.
  • Snap-on accessories are easily installed without the use of tools, lowering assembly and installation costs.
  • IP20 guarded terminals with dual terminal markings prevent accidental contact with live parts.
  • Device identification marker for labeling the starter simplifies trouble shooting in panels with many devices.
  • Universal ratings and markings: A, kW, and HP ratings as well as applicable 3rd party certification markings.
  • Single phase sensitivity to protect motors against damaging phase loss conditions.
  • Stop button for convenient and economical control circuit wiring.
  • Ambient temperature compensation ensures reliable motor protection even in high temperature environments.
  • Single 35mm DIN rail mounting for all starters from 9A to 105A for fast and easy installation and removal or panel mounting for more secure installation in high shock and vibration applications.
  • Unobstructed access to the two contactor coil terminals on the line-side of the starter makes control circuit wiring simple.

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DOL Starters, Contactor, Overload Relay