SECURITY PB251 Series 2 2 0 - 3 3 0 W AT T S D C U P S Features • • • • • • Ultra-low noise output Independent battery charging output DC output OK & battery OK alarms & LEDs Battery-LVD and alarm Over-temperature protection Battery fuse fail LED Specifications STANDARDS & APPROVALS INPUT Voltage: 190 to 264 vac, or 190 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 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 Converter ON/OK alarm Indicated by voltage-free changeover relay contacts & Constant current green LED ON=PSU OK Current limit type - batt. cct Constant current Battery low (& fuse) alarm Short circuit protection Indefi nite, auto-resetting Over-voltage protection 17.5 to 20V latching (13.8Vdc output) 31.5 to 39V latching (27.6Vdc output) 10.2 to 12.6V for 12V battery, adjustable 20.4 to 25.2V for 24V battery, adjustable Indicated by voltage-free changeover relay contacts & green LED: ON=BATT OK Ripple & noise 100 MHz bandwidth 28mVp-p (13.8Vdc output) 55mVp-p (27.6Vdc output) Low voltage disconnect 9.6 to 12V for 12V battery, adjustable 19.2 to 24V2 for 4V 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 ENVIRONMENTAL Operating temperature 0 to 70oC ambient with derating, 5...90% relative humidity (non-condensing) MECHANICAL Over-temperature protection Automatic & auto-resetting Case size 264 L x 172 W x 67 H mm Cooling requirement Natural convection Case size with heatsink 264 L x 186 W x 67 H mm Efficiency 80% minimum Rack size 232 D x 19” W x 2RU H Weight 1.9 kg Weight with heatsink 2.1 kg Weight (rack mounted version) 5.5 kg Selection Table 322 IBATT OUTPUT POWER 16A 2A 220W 13.8V 20A 2A 275W 27.6V 11A 2A 300W PB251-24CM-H 27.6V 12A 2A 330W PB251-12RML 13.8V 20A 4A 275W PB251-12B 13.8V 20A 4A 275W PB251-24RML 27.6V 12A 2A 330W MODEL NUMBER VDC PB251-12CM 13.8V PB251-12CM-H PB251-24CM OUTPUT ILOAD Note: Non standard battery charging current available on request. ie PB251-12CM-H-10 for 10A. 2 7 5 - 3 3 0 W AT T S D C U P S SECURITY PB251 Series Technical Illustrations Your dependable power partner – www.powerbox.com.au 323