Vaisala QBR101 - Charge Voltage Adjustment; Table 6 QBR101 Environmental Specifications; Table 7 QBR101 Mechanical Specifications

User's Guide _______________________________________________________________________
16 ____________________________________________________________________M210374en-A
Property Description / Value
Reconnection threshold voltage:
12 V systems 12.3 V max.
24 V systems 24.5 V max.
Battery Low signal threshold voltage:
12 V systems 11.5 V typ.
24 V systems 23.0 V typ.
Self-consumption from battery (at 25 °C):
12 V systems 0.3 mA max.
24 V systems 0.5 mA max.
Reverse voltage protection At DCin and SOLin inputs
Ground connection Negative; all GND terminals
joined together and to the
enclosure
Table 6 QBR101 Environmental Specifications
Property Description / Value
Ambient operating temperature
-40 … +60 °C
Storage temperature
-55 … +70 °C
Humidity 0 - 100 %, non condensing
Table 7 QBR101 Mechanical Specifications
Property Description / Value
Dimensions (in mm)
84 × 25 × 80 (W × D × H)
Wire terminals screw terminals, removable
Battery and load, max. wires dim. 2.5 mm²
Solar panel, DC input and controls, max.
wire dim.
1.5 mm²
Mounting to 35 mm DIN-rail
Charge Voltage Adjustment
The charging voltage can be set for various levels by using the
External Voltage Selection Resistor connected between the terminals
X3/5 and X3/6. Practical examples for selecting the resistor value are
given in Table 8 on page 17.