BATTERY CHARGER & SYSTEMS PB251A-RM 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 • Ultra-low noise output • Independent battery charging • DC OK & battery charger OK alarms & LEDs • Automatic battery connected test • Battery Low Voltage Disconnect - LVD • Battery fuse fail LED • Over-temperature protection • Advanced monitoring and control functions Optional • Network Enabled • Analogue metres • Temperature compensation SPECIFICATIONS Isolation input - output input - ground output - ground INPUT 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 ALARMS & BATTERY FUNCTIONS Green LED : ON=OK voltage free change over DC OK alarm relay contacts (32V,1A) Alarms on loss of AC mains power or failure of off-line AC/DC converter / battery charger Charger voltage 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 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) Ripple & noise 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 0.35V typical model dependant OPTIONS 100 MHz bandwidth 28mVp-p (13.8Vdc output) 55mVp-p (27.6Vdc output) 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. Analogue meters Load voltage, load current, battery charge and discharge (add -M to model). Temperature compensation probe Float voltage set to 2.3V / cell at 25oC with compensation of 3.3mv / oC cell. Add - T 2.5m cable. Add - T to model for 2.5m cable. Add T5 to model for 5m cable. ENVIRONMENT Operating temperature and humidity 0 to 70oC ambient with derating from 40oC. 5 to 90% relative humidity (non-condensing) Over-temperature protection Automatic & auto-resetting Cooling requirement Natural convection Efficiency 80% minimum MECHANICAL STANDARDS & APPROVALS 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 MODEL NUMBER PB251A-12RML PB251A-24RML PB251A-12B PB251A-24B OUTPUT VDC 13.8V 27.6V 13.8V 27.6V OUTPUT ILOAD 20A* 12A* 20A* 12A* 4242VDC for 1 minute 2121VDC for 1 minute 707VDC for 1 minute Rack mount 232 D x 19" W x 2RU H Weight 5.5 kg NOTE: Non standard battery OUTPUT IBATT 4A 2A 20A** 12A** POWER 275W 330W 275W 330W MECHANICAL rack mount / screw terminals rack mount / screw terminals rack mount / Hirose connector rack mount / Hirose connector charging current available on request. ie PB251A12CM-H-10 for example 10A charging current. * Sum of load + battery charging current. ** Battery charging current set to maximum. 7 Doc. No. PBRC Rev.H 18-2-2014 PB251A-RM Series 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 8