HVAC CONTROL PRODUCTS 94 - REFRIGERATION European Products Catalogue 2021 PENN COMMERCIAL REFRIGERATION FIELD AND COLD ROOM CONTROLLERS ER LINE ELECTRONIC CONTROL DEVICES ER54 EVAPORATOR CONTROLLERS FEATURES • Panel mount controller • cool thermostat • comprehensive controls • RS485 • real time clock • plug connectors • Delivered with one NTC sensor DIMENSIONS ( in mm ) 35 77 29 71 14.8 3.5 27.3 71 36 3.7 28.5 ORDERING INFORMATION CODES RS485 POWER SUPPLY PROTECTION CLASS TEMPERATURE RANGE DISPLAY INPUTS OUTPUTS ER54-PMW-501C MODBUS 230 VAC , ± 10 % Consumption 3W IP55 ( front ) IP20 ( back ) -40 to 70 ° C Accuracy : ± 0.3 ° C LED 3 digits Decimal displaying • 3 temperatures • 2 voltage free contacts • Compressor : SPST 12 ( 5 ) A • Fan : SPST 7 ( 2 ) A • Defrost : SPST 7 ( 2 ) A • Auxiliary : SPST 7 ( 2 ) A ER54-PMW-001C N2 Open