Chapter 8 ____________________________________________________________ Technical Data
VAISALA______________________________________________________________________ 249
Battery Regulator QBR101C
Table 81 Battery Regulator QBR101C Specifications
Property Description/Value
Maximum input voltage (SMPS
and Solar Panel inputs)
30 VDC
Maximum input current (SMPS) 6 A
Solar panel input 55 W max.
Recommended input voltage from
SMPS input
16 VDC
Max. load current (backup output) 3.5 A
Recommended battery capacity
range
4 … 72 Ah
Battery charge current for 4 Ah
battery (selections
0.5/1.0/2.0/2.5 A by jumper)
0.5 A
Max. battery discharge current 3.5 A
Battery charge voltage selection
(with external resistor)
13.7 V for stand-by use (AC (mains)
backup)
14.4 V for cycling use (solar panels)
Battery charge temp. comp.
coefficient
-20 mV/ï‚°C typ.
Load disconnection threshold
voltage (with Lo Btry Switch)
10.0 V typ.
Load reconnection threshold
voltage
12.0 V typ.
Btry Low signal threshold voltage 11.5 V typ.
Self consumption from battery
(with LEDs disconnected)
0.2 mA max. @ + 25 ï‚°C
Ground connection Negative
Reverse voltage protection Btry, solar panel
Dimensions (w ï‚´ d ï‚´ h) 90 ï‚´ 80 ï‚´ 25 mm
Weight 0.1 kg
Housing Anodized aluminum, gray
Wire terminals
Battery and load wires
Solar panel, DC input and
controls
Screw terminals, removable
2.5 mm
2
1.5 mm
2
Operating temperature range
-50 ... +60 ï‚°C
MTBF (parts stress method,
MIL.HDBK 271F ground benign Ta
+25 ï‚°C)
> 150 000 hours