Delta RPI Series User Manual

Figure 9-5 : M50A Input Voltage Derating Curve (cosφ=1.0)

Input Voltage
P/Pn*
*Pn=50kW
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
0 200 400 600
520
800 1000
V
AMB 40°C
AMB 25°C
AMB 45°C
AMB 50°C
AMB 55°C
Input Voltage Derating of RPI M50A
71
Technical Data

Delta RPI Series Specifications

General

Efficiency	Up to 98.8% (depending on model)
Frequency	50 Hz / 60 Hz
Model	RPI Series
Type	Inverter
Protection Rating	IP65
Cooling	Natural convection
Category	Inverter
Cooling Method	Natural convection
Dimensions	Varies by model
Weight	Varies by model
Protection Features	Overvoltage, Short Circuit