PB251A-RM Datasheet, PDF (1/2 Pages) Powerbox – B AT T E R Y C H A R G E R S Y S T E M

PB251A - RM Series
BATTERY CHARGER SYSTEM
FEATURES
• 220 - 330W Battery Charger System
• DC UPS Connectable
• Digital Display System
• Rack Mounting
• Constant Float Voltage & Current Limit
• Circuit Breakers & Alarm Relays
• Independent Battery Charging Output
• DC OK & Battery OK Alarms
• Optional LVD - Battery Low Volts Disconnect
• Optional Network Connected
• Optional Battery Temperature Probe
• OPERATIONS INSTALLATION HANDBOOK AVAILABLE
SPECIFICATIONS
INPUT
Input Voltage
190 to 264Vac, or 225 to 400Vdc
Frequency
45 to 65 Hz
Input Current
1.4A maximum
Inrush current
10A maximum
Line regulation
0.2%typical
OUTPUT
Output Voltage
Output Current
Load regulation
Ripple & noise
100 MHz bandwidth
13.8Vdc, 27.6Vdc
13.8Vdc: 20A
27.6Vdc: 12A
0.5% typical
100 MHz bandwidth 28mVp-p (13.8Vdc
output) 55mVp-p (27.6Vdc output)
Efficiency
> 80%
PROTECTION
Current limit
Short circuit protection
Over-voltage protection
Isolation
ENVIRONMENTAL
Operating temperature
Humidity
Over-temperature protection
Load circuit - Constant current
Battery circuit - Constant current
Indefinite, auto-resetting
17.5 to 20V latching (13.8Vdc output)
31.5 to 39V latching (27.6Vdc output)
Input to Output: 4.2Kvdc 1 min
Output to Ground: 2.1Kvdc 1 min
Output to Ground: 700Vdc 1 min
0 to 70°C ambient
Derating from 40°C at 2.5%/°C
5 to 90% relative humidity (non-
condensing)
Automatic & auto-resetting
Cooling requirement
Natural convection
STANDARDS & APPROVALS
C-Tick
AS/NZS CISPR11 Group 1 Class A.
Safety
Complies with AS/NZS 60950, class 1, NSW
Office of Fair Trading Approval N20602
Emissions comply with AS/NZS CISPR11,
EMC
Group 1, Class B. Complies with ACA EMC
Scheme, Safety & EMC Regulatory
Compliance Marked
ALARMS AND
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,
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 10.5V for 12V battery, 21V
for 24V battery, adjustable 1.6 to 2.0V / cell all
models
Charger over-load protection Auto-resetting electronic circuit breaker
Reverse polarity protection Internal battery fuse
Battery to load voltage drop 0.2 to. 0.25V typical
OPTIONAL FEATURES
Network enabled
Analogue meters
Temperature compensation
Option N: Internal network card in conjunction with
PB251A becomes a network enabled device
combining the benefits of SNMP V1, XML and
embedded webpage.
Option M: Load voltage, load current, battery charge
and discharge.
Option T: 2.5m cable probe
Option T5: 5m cable probe
Float voltage set to 2.3V/cell at 25°C with
compensation of 3.3mv/°C cell
Battery Capacity Test
Contact Powerbox for further information
MECHANICAL
Input connector
Output/Battery connector
Alarm terminal
Weight
IEC60320 inlet,10A Class 1
2 meter IEC mains cord with Australian plug is
supplied with each unit
PB251A-RML: M4 screw terminals
PB251A-B: Hirose HS28R-4A.
Mating connector is Hirose HS28P-4A (not supplied)
PB251A-RML: M3.5 screw terminals
PB251A-B: DB25 female
5.5kg
Security Cabinet
WMBB-C-S Security Cabinet
1
Doc. No. PB251A-RM Rev.B 25-11-15