Specifications
12V/24V 30A/40A/50A MPPT SOLAR CHARGE CONTROLLER1. 30A, 40A ,50A and 60A
2. with MPPT and PWM
12V/24V 30A/40A/50A MPPT SOLAR CHARGE CONTROLLER
High converting efficiency higher than 97% for minimizing energy loss
• Build-in MPPT tracker for optimizing the power transformation
• Reversed current protection for preventing equipment damage
• Automatic battery temperature compensation for long-term reliability
• Capable of selecting different charging mode for various type of batteries
• Capable of connecting additional DC load for wider applications
• Three stage charge control system (bulk, absorption, and float mode) with temperature compensation
• LED indicators display charge status in real time
• Pulse Width Modulation (PWM) topology combined with a multi-stage charge control algorithm leads to superior charging and enhanced battery performance
| MODEL | SMS-40A | |
| Rated Voltage | 12/24 VDC | |
| Rated charge current | 40A | |
| Load current | 15A | |
| Input voltage range | 15-55VDC | |
| Max. PV open circuit array voltage | 55VDC | |
| Typical idle consumption | At idle < 10mA | |
| Overload protection (DC load) | 2.0*Inom>5s | |
| 1.5*Inom >20s | ||
| 1.25*Inom temperature controlled | ||
| Bulk charge | 14.6V(default) | 29.2V(default) |
| Floating charge | 13.4V(default) | 26.8V(default) |
| Equalization charge | 14.0V(default) | 28.0V(default) |
| Over charge disconnection | 14.8V | 29.6V |
| Over charge recovery | 13.6V | 27.2V |
| Over discharge disconnection | 10.8 V (default) | 21.6V(default) |
| Over discharge reconnection | 12.3V | 24.6V |
| Temperature compensation | -13.2mV/°C | -26.4mV/°C |
| Lead acid battery settings | Adjustable | |
| NiCad battery settings | Adjustable | |
| Load control mode | 1. Low Voltage Reconnect (LVR): Adjustable | |
| 2. Low Voltage Disconnect (LVD): Automatic disconnection | ||
| 3. Reconnection: Includes warning flash before disconnect and reconnection | ||
| Low voltage reconnect | 12.0-14.0 Vdc | 24.0-28.0 Vdc |
| Low voltage disconnect | 10.5-12.5 Vdc | 21.0-25.0 Vdc |
| Ambient temperature | 0-40°C(full load) 40-60°C(de-rating) | |
| Altitude | Operating 5000 m, Non-Operating 16000 m | |
| Protection class | IP21 | |
| Battery temperature sensor | BTS - optional remote battery temperature sensor for increased charging precision | |
| Terminal size (fine/single wire) | #8 AWG | |
