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12V24V 20A Solar MPPT Controller for Solar Power System

Quantity:
  • BWC-M20A12V24V
  • Yangzhou
  • 8543709990
  • Yangzhou, China
  • 10000PCS/Year
  • L/C, T/T, Western Union, Money Gram
Functional characteristics:

1. System voltage automatic identification
2. Design of high speed and high performance 32 bit processor
3. Excellent heat dissipation and EMC design
4. Using MPPT and PWM two charging mode, effectively improve the charging efficiency of the battery board.
5. The use of large screen LCD LCD display and dual key man-machine interface, complete menu display and operation
6. User-friendly browsing interface, user-friendly operation
7. Using power MOSFET as a switch, there is no mechanical switch
8. Intelligent battery power indicator to facilitate the user to view the status of the battery
9. Lead acid seals, colloids, openings and user selectable charging procedures
10. External temperature sensor with high precision temperature compensation
11. Parameter settings power down save function, no need to repeat settings, easy to use
12. With intuitive LED display, allowing users to understand the solar energy, the running state of the load
13. With over charge, over discharge, overload protection, and electronic short circuit protection and anti back protection of battery.
14. Lightning protection.

Technical indicators
Mode M20A/30A/40A
Maximum open circuit voltage <100V
MPPT voltage range 20V~100V(12V) ;
40V~100V(24V) ;
Maximum input current 30A
Maximum discharge current 30A
Solar energy
Maximum input power
12V 360W
24V 720W
Battery type adjustable Support for lead acid, gel, opening and lithium battery (self setting).
Charge cutoff voltage (SEAL) (GEL) (open) (SELF)
(24V*2)(48V*4)
boostCharging voltage 14.6V ±1% 14.2V ±1% 14.8V ±1% 14.0V ±1%(default)
Balance charge voltage 14.4V ±1% 14.2V ±1% 14.6V ±1%
Float charging voltage 13.8V ±1% 13.8V ±1% 13.8V ±1%
Charge return voltage 13.3V ±1% 13.3V ±1% 13.3V ±1%
Charging mode MPPT or DCDC(Adjustable)
Maximum charging efficiency MPPT mode:96%
Battery plate high voltage protection Battery voltage is greater than 200V, stop charging; automatic recovery of 1 minutes
Over current protection 1.1 times rated current, stop charging; auto recovery for 1 minutes
Load mode Pure lighting control mode, control mode and control overtime household mode (adjustable)
under voltage protection 10.8V/21.6V ±1%(adjustable)
under voltage recovery 12.8V/25.6V ±1%(adjustable)
overload protection 1.5 times rated current 3S overload protection action, automatic recovery of 1 minutes
Output short circuit protection Hardware protection (48V system will fuse fuse), automatic recovery of 10 minutes
Controller high temperature protection The temperature of the radiator is higher than 65 DEG C to stop charging and discharging, and the temperature is reduced to a temperature of 45 DEG C to recover the charge and discharge.
Exterior dimension 186mm x 148mm x64.5 mm
weight 1.25kg
working temperature -25ºC~+60ºC
Storage temperature -30ºC~+70ºC
Humidity requirement <=90%,No condensation
Protection level IP30
Altitude <=2000m(2000mAbove altitude need to reduce power use)
Connection mode Terminal
Mounting wire diameter <=7# AWG (16mm²)
Circuit Tuo Buck(Common cathode)
Ambient temperature range -35ºC~60ºC
Cooling mode Air cooling, radiator temperature greater than 45 degrees open, less than 35 degrees stop.
Remote monitoring function RS232 Matching
Warranty period 3 years
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