PBB2S Series Battery Chargers / DC UPS
The PBB2S Series is a family of 13.8Vd, 3.5A and 7A off-line battery chargers / DC uninterruptable power supplies which operate from 100-240Vac mains power. When connected to a valve regulated lead-acid (VRLA) battery, these units provide uninterrupted power to a DC load in the event of mains failure.
The PBB2S Series contains a two-step current limited float charger, output overcurrent and short circuit protection, a self-resetting battery fuse, overtemperature protection, and mains DC OK battery OK and battery fuse fail alarms
THe PBB2S is available in a light weight corrosion resistant aluminium chassis mount enclosure. Both models employ natural convection cooling. The PBB2S series is for indoor use only.
Sum of load + battery charging current.
See Selection Table
-2.5%/°C above 40°C
Mains / DC Ok
Green LED. ON=OK
Voltage-free changeover contact
30Vdc, 7A rating
Green LED. ON=Vbatt > 11.5Vdc
OFF = Vbatt < 10.5Vdc
Battery Fuse Fail
Red LED: ON=FAIL
Battery to Output
PBBS-13-3.5: 0.47Vdc typ.
PBBS-13-7: 0.55Vdc typ.
Self-resetting battery fuse
AC Mains 10A Class 1
IEC60320 power inlet
Load and Battery
4 way pluggable screw terminal block.
Suitable for up to 2.5mm² wire
3 way pluggable screw terminal block
Suitable for up to 1.5mm² wire
View WMBB-C-S Security Cabinet
1) Total output current is sum of load and battery charging current.
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