Doc. No. PBRC Rev.H 18-2-2014qxp_Australia cata.qxd

BATTERY CHARGER & SYSTEMS
PB251A-CM Series
2 2 0 - 3 3 0 W AT T S - P S U F O R B AT T E R Y B A C K U P S Y S T E M
FEATURES
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Ultra-low noise output
Independent battery charging
DC OK & battery charger OK alarms & LEDs
Battery - Low Voltage Disconnect - LVD
Over-temperature protection
Battery fuse fail LED
Automatic battery connected test
Advanced monitoring and control function
Options
• Network card - Ethernet interface
• Temperature compensation
• Heat sink
SPECIFICATIONS
INPUT
STANDARDS & APPROVALS
Voltage:
190 to 264 vac, or 225 to 400Vdc
Line regulation:
0.2%typical
Current:
1.4A maximum
Inrush current:
10A maximum
Frequency:
45 to 65 Hz
OUTPUT
Voltage
See table
Current
See table
Load regulation
0.5%typical
Current limit type - load cct
Constant current
Current limit type - batt. cct
Constant current
Short circuit protection
Indefinite, auto-resetting
Over-voltage protection
17.5 to 20V latching (13.8Vdc output)
31.5 to 39V latching (27.6Vdc output)
28mVp-p (13.8Vdc output)
55mVp-p (27.6Vdc output)
Safety
Complies with AS/NZS 60950, class 1,
NSW Office of Fair Trading Approval N20602
EMC
Emissions comply with AS/NZS CISPR11, Group
1, Class B. Complies with ACA EMC Scheme,
Safety & EMC Regulatory Compliance Marked
Isolation i/p-o/p
i/p-ground
o/p-ground
4242VDC for 1 minute
2121VDC for 1 minute
707VDC for 1 minute
ALARMS & BATTERY FUNCTIONS
DC OK alarm
Green LED : ON=OK voltage free change over
relay contacts (32V,1A) Alarms on loss of AC
mains power or failure of off-line AC/DC
converter / battery charger
Battery OK alarm
Green LED : ON=OK voltage free change over
relay contacts (32V,1A) Alarms on battery low
voltage 11V, failure of battery fuse or battery
disconnected. Alarm cancelled when fuse or
battery replaced, or AC input restored
Battery low voltage
disconnect (LVD)
Low voltage disconnect
9.6 to 12V for 12V battery, adjustable
19.2 to 24V for 24V battery, adjustable
Over-temperature protection
0 to 70oC ambient with derating from 25oC.
5 to 90% relative humidity
(non-condensing)
Automatic & auto-resetting
Low voltage disconnect 10.5V for 12V
battery, 21V for 24V battery, adjustable
1.6 to 2.0V / cell all models
Cooling requirement
Natural convection
Reverse polarity protection
Efficiency
80% minimum
Battery to load voltage drop 0.2 to. 0.25V typical
Ripple & noise
100 MHz bandwidth
ENVIRONMENTAL
Operating temperature and
humidity
Charger over-load protection Auto-resetting electronic circuit breaker
Internal battery fuse
OPTIONS
SELECTION TABLE
IBATT
OUTPUT
POWER
PB251A-12CM
13.8V
16A*
2A
220W
PB251A-12CM-H
13.8V
20A*
4A
275W
PB251A-24CM
27.6V
11A*
2A
300W
PB251A-24CM-H
27.6V
12A*
2A
330W
MODEL
NUMBER
VDC
OUTPUT
ILOAD
Heatsink
Supplementary heatsink. Add-H to CM model
Network enabled
Internal network card in conjunction with
PB251A becomes a network enabled device
combining the benefits of SNMP V1, XML and
embedded webpage. Add -N to model.
Temperature compensation Float voltage set to 2.3V / cell at 25oC with
probe
compensation of 3.3mv / oC cell. Add - T to
model for 2.5m cable. Add - T5 to model for 5m
cable.
MECHANICAL
* Sum of load + battery charging current.
NOTE: Non standard battery
charging current available
on request. ie PB251A12CM-H-10 for 10A.
5
Case size
264 L x 172 W x 67 H mm
Case size with heatsink
264 L x 186 W x 67 H mm
Weight
Weight with heatsink
1.9kg
2.1kg
Rack mount option
Refer to PB251A-RM Series
Doc. No. PBRC Rev.H 18-2-2014
PB251A-CM Series
TECHNICAL ILLUSTRATIONS
Doc. No. PBRC Rev.H 18-2-2014
Powering Progress – www.powerbox.com.au
BATTERY CHARGER & SYSTEMS
2 2 0 - 3 3 0 W AT T S - P S U F O R B AT T E R Y B A C K U P S Y S T E M
6