Vaisala QBR101 - Technical Data; Specifications; Charge Voltage Adjustment

Chapter 4 _____________________________________________________________ Technical Data
VAISALA________________________________________________________________________ 15
CHAPTER 4
TECHNICAL DATA
This chapter provides the technical data of QBR101 Battery
Regulator.
Specifications
Table 5 QBR101 Electrical Performance Specifications
Property Description / Value
Maximum input voltage (DCin, SOL1in,
SOL2in)
30 VDC
Maximum input current (DCin) 6 A
Recommended input voltage to DCin:
12 V system 15,5…16,0 VDC
24 V system 29,5…30,0 VDC
Solar panel input to SOL1in, SOL2in (12 V
system only)
55 W max
Max. load current (from DCout or
DCout/Switch)
3.5 A
Recommended battery capacity range 4 … 72 Ah
Battery charge current limit 0.5 / 1.0 / 1.5 / 2.0 / 2.5 A,
selectable
Max. battery discharge current 3.5 A
Battery charge voltage selection (with external resistor):
Sealed Lead-acid battery, 12 V (6 cells) 13.7 V
Flooded Lead-acid battery, 12 V (6cells) 14.0 V
Nickel-cadmium battery, 12 V (10 cells) 14.4 V
Sealed Lead-acid battery, 24 V (12 cells) 27.4 V
Flooded Lead-acid battery, 24 V (12 cells) 28.0 V
Nickel-cadmium battery, 24 V (20 cells) 28.8 V
Battery charge temperature compensation coefficient:
12 V systems
-20 mV/°C typ.
24 V systems
-40 mV/°C typ.
Load disconnection threshold voltage (at DCout/Switch):
12 V systems 10.0 V typ.
24 V systems 20.0 V typ.