AC Welding Controls

The MTR50 has been designed as a low-cost welding control system intended for customers who require an easy-to-use and flexible timer in a self-contained, compact configuration. Suitable for poke guns, mechanically/pneumatically-operated spot/projection/seam welders and bench welding applications, the MTR50 has a built-in programmer.




  • Connections
  • Programming


  • Configured at 440 VAC or 220 VAC
  • 50 Hz or 60 Hz operation
  • 4 configurations
  • 8 weld programs
  • Two weld intervals – Preheat and Weld
  • Single Spot / Repeat Spot
  • Pulsation
  • 2 inputs and 2 outputs plus weld on/off
  • 2-Stage Initiation
  • Retraction for machines with 2 positions
  • Spot Counter
  • Includes water-cooled SCR sized for up to 25 kVA

Find out more

Let Our Team Answer Your Questions About The MTR50