Surge Protection Devices; Ac Side; Air Inlets And Fans - Delta RPI M50A_120 Installation And Operation Manual

4.5

Surge protection devices

4.5.1 AC side

The M50A_120 additionally has surge protection
devices type 2 on the AC and the DC side.
Type
Manufacturer
Part number
Voltage U
C
Current I
n
Current I
max
Voltage U
P
4.5.2 AC side
The M50A_120 additionally has surge protection
devices type 2 on the AC and the DC side.
Type
Manufacturer
Part number
Voltage U
C
Current I
n
Current I
max
Voltage U
P
Installation and Operation Manual for RPI M50A
GEHE
GPU1-C40/690
690 V
AC
15 kA (8/20)
30 kA (8/20)
≤ 2.5 kV
GEHE
GPU1-ZS1000*
1120 V
DC
20 kA (8/20)
40 kA (8/20)
≤ 3.9 kV
4. Product overview
4.6

Air inlets and fans

Air is intaken from the environment through the air
inlets on the upper left and upper right side of the
inverter. The air is used to cool the inverter. The
warmed-up air is ejected at the fans on the bottom
side of the inverter.
For a detailed description of the cooling principle, see
"5.3 Ambient conditions and air circulation", p.
For a detailed description how to clean or replace the
fans, see "11. Maintenance", p.
19.
95.
13