High efficiency solar charger controller

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/

-26.4mV/

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(full load)  4060(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