Electronic temperature control 120 / 240v

The Serie A421 High-Voltage (120 VAC or 240 VAC)

The A421 Series Standard Electronic Temperature Controls are single stage, electronic temperature controls with a single-pole, double-throw (SPDT) output relay. The controls feature an adjustable backlit LCD for viewing the temperature and status of other functions, and a three-button touchpad for setup and adjustment. An LED indicates the On or Off status of the output relay.

The A421 Controls provide heating or cooling control, sensor offset, temperature setback, adjustable anti-short cycle delay, and a restricted user adjustment mode. The control can display the temperature units in °F or °C. The temperature adjustment range is -40°F to 212°F or -40°C to 100°C.

The A421 Controls are available in Type 1/IP20 high-impact plastic enclosures suitable for surface or DIN rail mounting