POWERBOX PB256

BATTERY CHARGER SYSTEMS
PB256 Series
1 3 8 W AT T S D C U P S
Features
• Ultra-low noise output
• Independent load & battery charging current
limiting
• DC output OK & battery OK alarms & LEDs
• Battery-LVD and low alarm
• Over-temperature protection
• Battery fuse fail LED
Specifications
ENVIRONMENTAL
INPUT
Voltage
190...264 vac, or 190...400VDC
Operating temperature &
humidity
0 to 50oC ambient with derating;
5 to 90% relative humidity (noncondensing)
Line regulation
0.2% typical
Over-temperature protection
Automatic & auto-resetting
Current
3A maximum
Cooling requirement
Natural convection
Inrush current
15A on cold start
Efficiency
80% minimum
Frequency
45 to 65 Hz
OUTPUT
Voltage
See table
Current
See table
Load regulation
2% typical
Current limit type
(Load circuit)
Constant current > LVD volts
Foldback & hiccup < LVD volts
Current limit type
(Battery circuit)
Constant current
Short circuit protection
Indefinite, auto-resetting
Over-voltage protection
15.5 to 19.5 V latching (13.8Vdc output)
31.5 to 39 V latching (27.6Vdc output)
Ripple & noise
25 mVp-p (13.8Vdc output)
45mVp-p (27.6Vdc output)
STANDARDS & APPROVALS
Safety
Complies with AS/NZS 60950, class 1
EMC
Emissions comply with AS/NZS CISPR11, Group
1, Class B. Complies with ACA EMC Scheme, CTick
Isolation input - output
input - ground
output - ground
4242VDC for 1 minute
2121VDC for 1 minute
707VDC for 1 minute
ALARMS & BATTERY SPECIFIC FUNCTIONS
Charger output OK alarm
Indicated by voltage-free changeover relay
contacts & green LED: ON=OK
Battery low alarm
VBATT< 11.3V 12V BATT < 22.6 V24V BATT
Indicated by voltage-free changeover relay
contacts & green LED: ON=OK
Low voltage disconnect:
10.8V (Typical for 12Vdc battery)
21.6V (Typical for 24Vdc battery)
Battery over-load protection
Electronic circuit breakerauto-reset
Reverse polarity protection
Internal fuse
Battery to load voltage drop
0.4 V (13.8V output)
0.2 V (27.6V output)
MECHANICAL
290
Case size
230 L x 93 W x 46 H (mm)
Weight
850g
1 3 8 W AT T S D C U P S
Selection Table
OUTPUT
ILOAD
IBATT
OUTPUT
POWER
MODEL
NUMBER
VDC
PB256-1210CML
13.8V
8A
2A
138W*
PB256-2405CML
27.6V
4A
1A
138W*
Options:
-CC = conformal coating
-T = temperature probe
-XX = non -standard battery charging current, i.e. PB256-1210CML-05 for 5A
* Note: please refer to Derating Curve
BATTERY CHARGER SYSTEMS
PB256 Series
Technical Illustrations
Your dependable power partner – www.powerbox.com.au
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