EIM Outdoor Rated, Custom Fan Cooled VFD Panels

Treyline Supply & MFG Co. offers unmatched, top of the line EIM (Energy in Motion) enclosed VFD systems. All Treyline EIM VFD systems are standard equipped with a fan cooled Nema 3R outdoor rated enclosure, Mitsubishi “F” series VFD, service rated main disconnect switch, input and output reactors for harmonic mitigation, transducer & auto start terminal blocks, 4-20ma isolator, external power supply, lightning surge arrestor, and are pre-programmed to your specifications. Most importantly, all our products are backed with the absolute best support in the industry. Need a referral? Don’t hesitate to ask.

What is a Variable Frequency Drive (VFD)?


A Variable Frequency Drive (VFD) is a type of controller that varies the frequency and voltage supplied to an electric motor. Treyline Supply and Mfg. Co. LLC offers a turnkey, outdoor rated, custom VFD system, that is designed specifically for pump and fan applications. Our “MSP” systems are designed for single phase input and three phase output, and our “MTP” systems are designed for three phase input and three phase output.


  • Provides a soft start to the load motor, reducing utility costs
  • Speed and pressure regulation manually or
  • Pressure transducer
  • Less wear and tear on motor windings and bearings
  • Major cost savings annually
  • Very low maintenance cost