BLUESOLAR PWM-LIGHT 48V-20A
VICTRON BLUESOLAR LIGHT PULSE WIDTH MODULATION SOLAR CONTROLLER • SUITABLE FOR 48V BATTERY BANKS ONLY
Reference No. SCC040020020
Victron Bluesolar light PWM solar controller:
Victron's range of PWM and MPPT charge controllers are both widely used to charge batteries with solar power.
The PWM controller is in essence a switch that connects a solar array to the battery. The result is that the voltage of the array will be pulled down to near that of the battery.
A PWM controller is not a DC to DC transformer. The PWM controller is a switch which connects the solar panel to the battery. When the switch is closed, the panel and the battery will be at nearly the same voltage. Assuming a discharged battery the initial charge voltage will be around 52 V, and assuming a voltage loss of 0,5 V over the cabling plus controller, the panel will be at Vpwm = 52,5 V.
The voltage will slowly increase with increasing state of charge of the battery. When absorption voltage is reached the PWM controller will start to disconnect and reconnect the panel to prevent overcharge (hence the name: Pulse Width Modulated controller).
-Load output with low battery voltage disconnect function.
-Lighting control function, one timer only.
-Seven segment display for quick and easy setting of the load output functionality, including timer setting.
-Three stage battery charging (bulk, absorption, float), not programmable.
-Load output protected against over load and short circuit.
-Protected against reverse polarity connection of the solar array and/or battery.
Day/night timing options:
See manual for details
Rated charge current
Automatic load disconnect
Maximum solar voltage
< 10 mA
Manual control + low voltage disconnect
Battery reversepolarity(fuse) Outputshortcircuit Overtemperature
Shut down after 60 s in case of 130% load
Shut down after 5 s in case of 160% load
Short circuit: immediate shut down
Operating temp. range
-20 to +50°C (full load)
Charge voltage 'absorption'
Charge voltage 'float'
Low voltage load disconnect
Low voltage load reconnect
6 mm² / AWG10
Dimensions (h x w x d)
95 x 140 x 33,5 mm
EN 61000-6-1, EN 61000-6-3