Enclosed UL508A Combination Motor Starters

Dependable and simple starting solution for any electric impeller, fan, pump, conveyor, or air handling motor applications.

Product Resources

Product Features

  • UL508A Type E Combination Starters
  • Available in Polycarbonate (Type 4/4X) and two versions of Carbon Steel (Type 1 or Type 3R, 4)
  • Pre-wired control circuit for quick and easy field installation
  • Each enclosure assembly includes a: Series 330 motor protection circuit breaker, Series 300 contactor, UL489 circuit breaker, a variety of 22mm IEC pilot devices, and external operating handle
  • Factory assemblies provide the convenience of a single catalog number and shorter control panel bill of material
  • Series ECP-300 Starters do not qualify for free ground shipping.
  • Shipping Notice: Not available for same-day shipping. We assemble, test and ship our Series ECP Starters within 5 days. For expedited shipment options contact c3controls.

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High quality motor starters that you can install and forget about for years to come.

c3controls' Electrical Engineers have designed enclosed combination motor starters specifically for any electric impeller, fan, pump, conveyor, or air handling motor applications, and each are Listed per UL508A, the Standard for Industrial Control Panels.

Durable, Pre-Configured Enclosed Combination Motor Starters with robust features and functionality to meet your electric motor control application needs.

Our UL508A Type E Combination Motor Starters provide motor disconnect, short-circuit and ground fault protection, motor control, and motor overload protection. Each assembly includes an enclosure, motor protection circuit breaker, contactor, miniature circuit breaker, and 22mm IEC pilot devices.


  • Motor ratings up to 20HP @ 480V
  • Overload and short circuit protection
  • Certified as Manual Motor Controllers suitable as Motor Disconnects
  • Listed as a UL 60947-4-1A Type E self-protected combination Manual Motor Controller


  • Integral auxiliary contacts:
  • Right side mounted (1 NO) on 9A - 25AContactors
  • Front mounted (1 NO) on 32A Contactors


  • Double-pole for protection of the control circuit
  • 10kA @ 480Y/277V short circuit current rating
  • Easily resets in the case of a fault


  • Provides clear indication of the unit running or in the event of a fault
  • H-O-A selector switch
  • Red pilot light for Run indication
  • Amber pilot light for Fault indication


  • Robust handle for motor disconnecting
  • Red handle/yellow bezel
  • Padlockable with up to three (3) padlocks
  • Provides door interlock so the enclosure cannot be opened while in the ON position

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