PB251A-CM 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 Constant Float Voltage & Current Limit Circuit Breakers & Alarm Relays Independent Battery Charging Output DC OK & Battery OK Alarms Battery Connected Test LVD - Battery Low Volts Disconnect Optional Battery Charge Current Limit 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 13.8Vdc, 27.6Vdc Output Current 13.8Vdc: 20A 27.6Vdc: 12A Load regulation 0.5% typical Ripple & noise 100 MHz bandwidth 28mVp-p (13.8Vdc output) 55mVp-p (27.6Vdc output) Efficiency > 80% PROTECTION ALARMS & BATTERY FUNCTIONS Green LED : ON=OK voltage free change over relay contacts (32V,1A) Alarms on loss of AC DC OK alarm 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 Battery OK alarm voltage 11V, failure of battery fuse or battery disconnected. Alarm cancelled when fuse or battery replaced, or AC input restored 10.2 to 12.6V for 12V battery, adjustable 20.4 to Battery low voltage disconnect 25.2V for 24V battery,adjustable Indicated by voltage-free changeover relay contacts & green (LVD) LED: ON=BATT OK 9.6 to 12V for 12V battery, adjustable Low voltage disconnect 19.2 to 24V for 24V battery, adjustable 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 Current limit Load circuit - Constant current Battery circuit - Constant current Short circuit protection Indefinite, auto-resetting 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) Heatsink Input to Output: 4.2Kvdc 1 min Output to Ground: 2.1Kvdc 1 min Output to Ground: 700Vdc 1 min Network enabled Isolation OPTIONAL FEATURES Battery Charging Limit ENVIRONMENTAL Operating temperature 0 to 70°C ambient Derating from full power at Ta=25°C to 0W at Ta=70°C at -2.22%/°C Humidity 5 to 90% relative humidity (non-condensing) Over-temperature protection Automatic & auto-resetting Cooling requirement Natural convection STANDARDS & APPROVALS Temperature compensation Conformal Coating MECHANICAL Case size IEC60320 inlet,10A Class 1 2 meter IEC mains cord with Australian plug is supplied with each unit 4 way pluggable screw terminal block Suitable for up to 4mm² wire 6 way pluggable screw terminal block Suitable for up to 1.5mm² wire 264 L x 172 W x 67 H mm Case size with heatsink 264 L x 186 W x 67 H mm Weight 1.9kg Weight with heatsink 2.1kg Rack mount option Refer to PB251-RM Series Input connector Output/Battery connector C-Tick AS/NZS CISPR11 Group 1 Class A. 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 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 H: Supplementary heatsink 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 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 Option CC: Tropic protection for moist areas Alarm terminal www.powerbox.com.au - 1800 251 380 www.powerbox.co.nz - 0800 104 480 Doc. No. PB251A-CM Rev.D 17-05-16 PB251A-CM 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 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 TECHNICAL ILLUSTRATIONS www.powerbox.com.au - 1800 251 380 www.powerbox.co.nz - 0800 104 480 Doc. No. PB251A-CM Rev.D 17-05-16