EC series GMS1250CS 50 Hz @ 1500rpm, 3-phase/4-wiring 1 Standards & Conditions Design Standards The designs and the productions are in conformity with: • • • • • Conformite Europeenne (CE) China Compulsory Certification (CCC) TLC Quality Certification (TLC) ISO8528-1995 GB/T2820-1997 Environmental Operating Conditions • • Installation place: Outdoors or indoors (well ventilated). • • Humidity: Less than 80%. Ambient temperature: -25℃ to 45℃.