R820 SCR Power Controllers

Viconics’ R820 SCR power controller has been designed for safe and reliable control of electric heat loads. By offering a competitive price, the use of SCR’s is no longer an expensive proposition as was the case just a few years ago. As a result, this broad line of products is used by most major North American duct heater manufacturers. Input signal can be provided by DDC panel or Viconics’ own T920 or C1025 thermostat.

Features:

	High efficiency, black anodized heat sink improves heat dissipation
	Available from 240 to 600 Volts A.C., 10 to 75 Amps; single or three phase (two leg)
	Zero-cross firing minimizes interference to other loads
	Multi-input control signal (0-10 V d.c.; 4-20 ma d.c.; 0-135 ohm)
	LED to indicate proper operation
	Quick connect, slave terminal to connect to R810 power switches
	UL and CSA approved

Technical Bulletin	Installation Sheet	Color Brochure