PB251A-RM Series B AT T E R Y C H A R G E R S Y S T E M 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 Battery Connected Test Battery Low Volts Disconnect Optional Battery Charge Current Limit Optional Network Connected Optional Battery Temperature Probe OPERATIONS INSTALLATION HANDBOOK AVAILABLE SPECIFICATIONS ALARMS & BATTERY 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 DC Ok alarm Charger voltage OK alarm OUTPUT Battery low voltage disconnect(LVD) 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 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 Low voltage disconnect 10.5V for 12V battery, 21V for 24V battery, adjustable 1.6 to 2.0V / cell all models Output Voltage 13.8Vdc, 27.6Vdc Output Power 275W - 330W Output Current 13.8Vdc: 20A 27.6Vdc: 12A Load regulation 0.5% typical Battery to load voltage drop 0.2 to 0.35V typical model dependant Ripple & noise 100 MHz bandwidth 28mVp-p (13.8Vdc output) 55mVp-p (27.6Vdc output) OPTIONAL FEATURES Efficiency > 80% Battery Charging Limit Current limit Load circuit - Constant current Battery circuit - Constant current Network enabled 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) Analogue meters Isolation Input to Output: 4.2Kvdc 1 min Output to Ground: 2.1Kvdc 1 min Output to Ground: 700Vdc 1 min Option T: 2.5m cable probe Option T5: 5m cable probe Temperature compensation Float voltage set to 2.3V/cell at 25°C with compensation of 3.3mv/°C cell Charger over-load protection Auto-resetting electronic circuit breaker Reverse polarity protection PROTECTION ENVIRONMENT Operating temperature 0 to 70°C ambient Derating from 40°C at 2.5%/°C Humidity 5 to 90% relative humidity (non-condensing) Natural convection STANDARDS Option BCL: Factory set to maximum of the total rated output current. The BCL charging current based on A/H battery size and make of battery. 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. Contact Powerbox for further information MECHANICAL Input connector Over-temperature protection Automatic & auto-resetting Cooling requirement Battery Capacity Test Internal battery fuse IEC60320 inlet,10A Class 1 2 meter IEC mains cord with Australian plug is supplied with each unit PB251A-RML: M4 screw terminals Output and battery connector PB251A-B: Hirose HS28R-4A. Mating connector is Hirose HS28P-4A (not supplied) C-Tick AS/NZS CISPR11 Group 1 Class A. Safety Complies with AS/NZS 60950, class 1, NSW Office of Fair Trading Approval N20602 Alarm terminal PB251A-RML: M3.5 screw terminals PB251A-B: DB25 female Emissions comply with AS/NZS CISPR11, Group 1, Class B. Complies with ACA EMC Scheme, Safety & EMC Regulatory Compliance Marked Enclosure EMC 19" Rack Mount, 2RU height, 232mm Mounting slots suitable for M6 hardware Weight 5.5kg www.powerbox.com.au - 1800 251 380 www.powerbox.co.nz - 0800 104 480 Doc. No. PB251A-RM Rev.C 12-02-16 PB251A-RM Series B AT T E R Y C H A R G E R S Y S T E M SELECTION TABLE MODEL NUMBER OUTPUT VOLTAGE TOTAL CURRENT BATTERY CURRENT OUTPUT POWER MECHANICAL PB251A-12RML 13.8V 20A 4A 275W Rack Mount / Screw terminals PB251A-24RML 27.6V 12A 2A 330W Rack Mount / Screw terminals PB251A-12B 13.8V 20A 20A 275W Rack Mount / Hirose connector PB251A-24B 27.6V 12A 12A 330W Rack Mount / Hirose connector NOTES 1). Total output current is sum of load and battery charging current. 2). Other BCL option, Battery Charging Limits, available on request, factory set. 3). Example models number, PB251A-12RML-M-10, Includes analogue meters and 5A battery charge current. 4). PB251A-B versions, in standard unit the battery current limit set to maximum. TECHNICAL ILLUSTRATIONS www.powerbox.com.au - 1800 251 380 www.powerbox.co.nz - 0800 104 480 Doc. No. PB251A-RM Rev.C 12-02-16 PB251A-RM Series B AT T E R Y C H A R G E R S Y S T E M TECHNICAL ILLUSTRATIONS www.powerbox.com.au - 1800 251 380 www.powerbox.co.nz - 0800 104 480 Doc. No. PB251A-RM Rev.C 12-02-16