Heating/Cooling Controller 230V

Heating/Cooling Controller 230V

VAT included

The EVCO EV3B31N7 is a 230V digital temperature controller with a LED display and is capable of controlling medium temperature refrigeration applications as well as heating applications. Ideal for Baine Maries and Incubators

Supplied with 1 x 1.5m NTC temperature probe.


The instrument has 1 x cabinet temperature sensor, 1 x 30A (10A Resistive) compressor/element relay and 1 x digital door input.


Technical Details

Mounting: Panel Mount

Housing: Self Extinguishing Plastic

Frontal Protection Rating: IP65

Size: 74 x 32mm (L X H)

Panel Cut out: 71 x 29mm

Display: 3-digit red LED with 1 decimal point

Power supply: 230 VAC 50hz 3VA

Temperature range:

-50 Deg C to +120 Deg C with a PTC Probe

-40 Deg C to +110 Deg C with a NTC Probe (Supplied)

Analogue Inputs: 2 (Door Switch or 2nd Probe)

Probe (NTC or PTC) Cabinet Temperature

Probe (NTC or PTC) Condenser Temperature

Digital Input: 1 Door Switch Input (Abvailable if 2nd Probe not used)

Relay Outputs:

Relay 1 for Compressor or heater element 30A (10A Resistive) 250VAC (N/O contact)

Control Type: On/Off

Defrost: Compressor off cycle (Programmable)

Energy Saving Function: Yes

29 Items

Data sheet

Mounting Type
Control Range
Heat OR Cool
No of Sensor Inputs
Sensor Types
No of Relay Outputs


EV3B31N7 Manual

Download (427.15KB)