MAWS HydroMet™ Systems for Meteorological and Hydrological ...

Technical Description ________________________________________________________________
Battery Regulator QBR101B
QBR101B Battery Regulator Specifications
Property
Description / Value
Maximum input voltage 30 VDC
(SMPS and Solar Panel
inputs)
Maximum input current 6 A
(SMPS)
Solar panel input
55 W max.
Recommended input 16 VDC
voltage from SMPS input
Max. load current (backup 3.5 A
output)
Recommended battery 4 … 72 Ah
capacity range
Battery charge current for 0.5 A
4 Ah battery (selections
0.5 / 1.0 / 2.0 / 2.5 A by
jumper)
Max. battery discharge 3.5 A
current
Battery charge voltage 13.7 V for stand-by use (mains back-up)
selection (with external 14.4 V for cycling use (solar panels)
resistor)
Battery charge temp. -20 mV/°C typ.
comp. Coefficient
Load disconnection 10.0 V typ.
threshold voltage (with Lo
Btry Switch)
Load reconnection 12.0 V typ.
threshold voltage
Btry Low signal threshold 11.5 V typ.
voltage
Self consumption from 0.2 mA max. @ + 25 °C
battery (with LEDs
disconnected)
Ground connection Negative
Reverse voltage protection Btry, solar panel
Dimensions (in mm) 90 × 80 × 25 (w × d × h)
Weight
0.1 kg
Housing
Anodized aluminum, gray
Wire terminals
screw terminals, removable
battery and load wires 2.5 mm 2
solar panel, DC input and 1.5 mm 2
controls
MTBF (parts stress > 150 000 hours
method, MIL.HDBK 271F
ground benign Ta +25 °C)
72 _______________________________________________________________________________