PB251 Datasheet, PDF (1/2 Pages) Powerbox – 220-330 WATTS DC UPS

PB251 Series
220-330 WATTS DC UPS
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:
Line regulation:
Current:
Inrush current:
Frequency:
OUTPUT
Voltage
Current
Load regulation
Current limit type - load cct
Current limit type - batt. cct
Short circuit protection
Over-voltage protection
Ripple & noise
100 MHz bandwidth
ENVIRONMENTAL
Operating temperature
Over-temperature protection
Cooling requirement
Efficiency
190 to 264 vac, or 190 to 400VDC
0.2%typical
1.4A maximum
10A maximum
45 to 65 Hz
See table
See table
0.5%typical
Constant current
Constant current
Indefi nite, auto-resetting
17.5 to 20V latching (13.8Vdc output)
31.5 to 39V latching (27.6Vdc output)
28mVp-p (13.8Vdc output)
55mVp-p (27.6Vdc output)
0 to 70oC ambient with derating, 5...90%
relative humidity
(non-condensing)
Automatic & auto-resetting
Natural convection
80% minimum
Selection Table
MODEL
NUMBER
PB251-12CM
PB251-12CM-H
PB251-24CM
PB251-24CM-H
PB251-12RML
PB251-12B
PB251-24RML
322
VDC
13.8V
13.8V
27.6V
27.6V
13.8V
13.8V
27.6V
OUTPUT
I_LOAD
16A
20A
11A
12A
20A
20A
12A
STANDARDS & APPROVALS
Safety
EMC
Complies with AS/NZS 60950, class 1,
NSW Office of Fair Trading Approval N20602
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
Charger over-load protection
9.6 to 12V for 12V battery, adjustable
19.2 to 24V2 for 4V battery, adjustable
Auto-resetting electronic circuit breaker
Reverse polarity protection
Internal battery fuse
Battery to load voltage drop
MECHANICAL
0.2 to. 0.25V typical
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
I_BATT
2A
2A
2A
2A
4A
4A
2A
OUTPUT
POWER
220W
275W
300W
330W
275W
275W
330W
Note: Non standard battery
charging current available on
request. ie PB251-12CM-H-10 for
10A.