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.