Delta RPI M50A User Manual

6.1 Replace Surge Protection Device (SPD)
RPI M50A_120 model have surge protection device (SPD) at both DC and
AC side. Table 6-1 reveals the specifications of SPD.
Please check the unit regularly. If there are any impaired or loose parts, please
contact your solar installer. Ensure that there are no foreign objects in the path
of the heat outlet.
6.Maintenance
WARNING！
Before any maintenance, please switch AC and DC power off to avoid risk
of electronic shock.
SPD(DC) SPD(AC)
Temperature: -400C~850C
Item fail: Green light will turn off
Manufacturers: ShangHai GEHE Lighti
Temperature: -400C~850C
Item fail: Red upright bulb
Manufacturers: ShangHai GEHE Lighti
Table 6-1 SPD Specifications
Part number: GPU1-ZS1000 Y Part number: GPU1-C4/690/1P Y
Work voltage:1000 Vdc
Work voltage: 690 Vac
Work Amp In (8/20): 20kA
Work Amp In (8/20): 15kA
Rate Amp I max(8/20): 40kA
Rate Amp Imax (8/20): 30kA
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Maintenance

Delta RPI M50A Specifications

General

Brand	Delta
Model	RPI M50A
Category	Inverter
Language	English