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The PCA30-M1 pump controller is a microprocessor-controlled DCpower 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 primaryfunction of the PC series controller is to boost the current of solar modules in low sunlightconditions while holding the voltage of the solar modules at the maximum power point. Thisallows a pump to start earlier in the morning and stay running longer in the evening, which will dramatically increase the amount of water pumped. SunPumpsPC 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, asensor-less low-water cut-off circuit, an electronic circuit breaker, and indicator lights.
SunPumpsPCA 30-M1D controller uses the same controller board with all the same features as the PCA30-M1 controller. The only difference is the box is constructed of UV stabilized Super TuffDelrin 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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