GRAF S.p.A. has its own division which is able to design and manufacture compressor control boards. All GRAF control boards are made with high quality components which guarantee the utmost safety and reliability.
GRAF control boards are equipped with programamble controllers and latest-generation operator’s panels; moreover, they are compliant with valid european directives and completely customized in accordance with customer’s demands.
MAIN TECHNICAL FEATURES
|Protection class||IP 54|
|Voltage||400 V ±10%|
|Control system||PLC Siemens S7-300 (other on request)|
|Man-machine dialogue (HMI)||Color display|
|Motor start-up||SOFT START / INVERTER / DELTA-STAR|
|Working temperature||0° ÷ 45° (others by request)|
|Reference||CEI EN 60204-1 (other on request)|
|Remote control||Ethernet or GSM|