Model ATC550 TC/PID Controller 1/16 DIN

The Model ATC550 TC/PID Controller  1/16 DIN from the Automatic Timing and Controls division of Marsh Bellofram Corporation comes standard with a dual 4 digit 7 segment led display,TC / RTD input, two setpoints, celsius and fahrenheit selectable scale, field selectable control output (relay or SSR), auxiliary output (relay or SSR depending on model), led indicators, 1/16 din (48 x 48 mm) housing, contact ratings of 5a @ 230vac / 30vdc resistive for control and alarm, a 12vdc SSR drive and a supply operating voltage range of 85 to 270 vac/dc (50/60Hz). The ATC550 series is UL approved and CE certified.



  • Dual Display, 4 digit, 7 segment LED
  • TC/RTD
  • PID, ON/OFF Control
  • Two Setpoints
  • °C/ °F Selectable
  • Field selectable Control Output (Relay or SSR)
  • Auxiliary Output: Relay / SSR
  • Easy to use