PB251 POWERBOX | Alldatasheet
Document overview
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Technical content
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 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 Constant current Current limit type - batt. cct Constant current 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) Ripple & noise
100 MHz bandwidth
28mVp-p (13.8Vdc output) 55mVp-p (27.6Vdc output) ENVIRONMENTAL Operating temperature 0 to 70oC ambient with derating, 5...90% relative humidity (non-condensing) Over-temperature protection Automatic & auto-resetting Cooling requirement Natural convection Efficiency 80% minimum 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 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 & green LED ON=PSU OK Battery low (& fuse) alarm 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 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 MECHANICAL Case size 264 L x 172 W x 67 H mm Case size with heatsink 264 L x 186 W x 67 H mm 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 PB251 Series 220-330 WATTS DC UPS Selection Table MODEL NUMBER OUTPUT OUTPUT VDC ILOAD IBATT POWER PB251-12CM 13.8V 16A 2A 220W PB251-12CM-H 13.8V 20A 2A 275W PB251-24CM 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 Note: Non standard battery charging current available on request. ie PB251-12CM-H-10 for 10A.
Your dependable power partner – www.powerbox.com.au 323 SECURITY Technical Illustrations PB251 Series 275-330 WATTS DC UPS