Chapter 9 Specification ME300
9-9
Derating for Altitude
For IP20 / UL Open Type
Current derating at ambient temperature
Ambient temperature 40°C 45°C 50°C
Operating altitude
above sea level (m)
0–1000 100%
1001–1500 100% 95%
1501–2000 100% 95% 90%
NEMA1 / UL Type 1
Current derating at ambient temperature
Ambient temperature 30°C 35°C 40°C
Operating altitude
above sea level (m)
0–1000 100%
1001–1500 100% 95%
1501–2000 100% 95% 90%
Standard Ambient Temperature:
─ 50ºC for IP20 / UL Open Type
─ 40ºC fo
NEMA 1 / UL
pe 1