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The PCA-30M1D pump controller is a microprocessor-controlled DC
power converters designed as the interface between a DC-powered pump and the power source.
The DC source may be solar modules, batteries or systems using wind generators. The primary
function of the PC series controller is to boost the current of solar modules in low sunlight
conditions while holding the voltage of the solar modules at the maximum power point. This
allows a pump to start earlier in the morning and stay running longer in the evening, which will dramatically increase the amount of water pumped. SunPumps
PC series pump controllers have many unique features designed specifically for water pumping. All PC series controllers include a pump speed control circuit, a remote switch circuit, a
sensor-less low-water cut-off circuit, an electronic circuit breaker, and indicator lights.
SunPumps
PCA 30-M1D controller uses the same controller board with all the same features as the PCA
30-M1 controller. The only difference is the box is constructed of UV stabilized Super Tuff
Delrin instead of aluminum and the current rating is reduced from 8 amps to 6 amps due to reduced thermal dissipation.
| Model |
PCA-30M1D |
PCA-30M1 |
PCA-60 |
PCB-90 |
PCB-120 |
PCB-180 |
| Number of 36-cell modules in
series |
2 |
2 |
4 |
6 |
9 |
12 |
| Number of 54-cell modules in
series |
1 |
1 |
2 |
4 |
6 |
8 |
| Number of 72-cell modules in
series |
1 |
1 |
2 |
3 |
4 |
6 |
| Nominal operating voltages |
(15, 24, 30) |
(15, 24, 30) |
(30, 45, 60) |
(45, 60,
75, 90) |
(90, 105,
120, 135) |
(135, 150,
165, 180) |
| Maximum open circuit volts |
45 |
45 |
90 |
200 |
250 |
300 |
| Maximum load current (amps) |
6 |
8 |
8 |
10 |
10 |
14 |
| Maximum load power (watts) |
250 |
250 |
500 |
1000 |
1200 |
2500 |
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