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PB251-12B

Description
220-330 WATTS DC UPS
File Size1MB,2 Pages
ManufacturerPowerbox
Websitehttps://www.powerbox.com
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PB251-12B Overview

220-330 WATTS DC UPS

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
INPUT
Voltage:
Line regulation:
Current:
Inrush current:
Frequency:
190 to 264 vac, or 190 to 400VDC
0.2%typical
1.4A maximum
10A maximum
45 to 65 Hz
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
4242VDC for 1 minute
2121VDC for 1 minute
707VDC for 1 minute
Indicated by voltage-free changeover relay
contacts &
ON=PSU OK
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
9.6 to 12V for 12V battery, adjustable
19.2 to 24V2 for 4V battery, adjustable
Auto-resetting electronic circuit breaker
Internal battery fuse
0.2 to. 0.25V typical
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
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
Isolation i/p-o/p
i/p-ground
o/p-ground
Converter ON/OK alarm
green LED
Battery low (& fuse) alarm
ALARMS & BATTERY FUNCTIONS
Low voltage disconnect
Charger over-load protection
Reverse polarity protection
Battery to load voltage drop
ENVIRONMENTAL
Operating temperature
MECHANICAL
Case size
Case size with heatsink
Rack size
Weight
Weight with heatsink
Weight (rack mounted version)
264 L x 172 W x 67 H mm
264 L x 186 W x 67 H mm
232 D x 19” W x 2RU H
1.9 kg
2.1 kg
5.5 kg
Over-temperature protection
Cooling requirement
Efficiency
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
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.

PB251-12B Related Products

PB251-12B PB251-12CM-H PB251 PB251-24CM PB251-12RML PB251-24RML PB251-12CM PB251-24CM-H
Description 220-330 WATTS DC UPS 220-330 WATTS DC UPS 220-330 WATTS DC UPS 220-330 WATTS DC UPS 220-330 WATTS DC UPS 220-330 WATTS DC UPS 220-330 WATTS DC UPS 220-330 WATTS DC UPS
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