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Optional internal V/I
meter shown
♦ 24 Month Warranty
SPECIFICATIONS
All specifications are typical at nominal input, full load and at 20°C unless otherwise stated.
ELECTRICAL
Input voltage
230V AC: 180V - 264V (standard)
110V AC: 88V - 132V (on request)
50/60 Hz
Frequency
Input fuse and varistor
Fusing / protection
Battery fuse plus ECB for battery circuit
Isolation
1KV DC input - output / earth
> 85%
Efficiency
Inrush current
Soft start circuit
Output power
500W
Output voltage
13.8, 27.6, 34.5, 41.4, 55.2VDC
85 - 105% of Vout
Voltage adj. range
Temp. compensation
Temperature sensor on 1.7m lead with adhe-
sive pad: -4mV / °C / cell ±10%
Current limits
PSU: 100% rated current
Battery: 25-100% rated current (factory set)
Line regulation
<0.2% over AC input range
Load regulation
<0.4% open circuit to 100% load
Noise
<1% output voltage
Drift
0.03% / °C
20 ms without battery (nominal - max. Vin)
Hold-up time
Turn on time
< 2 sec
Thermal protection
Yes, self resetting
OVP
Over-voltage protection on output
at ~ 130% of nominal output voltage
EMI
to CISPR 22 / EN55022 class A
Safety
to IEC950 / EN60950 / AS/NZS3260
Vibration
Designed to meet MIL-STD-810F Method
514.5
Specifications are subject to change without notice. No liability accepted for errors or omissions.
High performance DC UPS system
No-Break switching between charger & battery
Battery detection - regular battery presence and
battery circuit integrity checks
Alarm relay outputs
LED flash codes for precise state indication
Deep discharge protection for batteries
ECB for battery overload & short circuit protection
Fused reverse battery polarity protection
Automatic temperature compensated output volts
Option - battery condition test (BCT)
Option - communication interface allows remote
monitoring & user control of BCT function - i ver-
sions
Batteries external to charger - order separately
No-Break™ FUNCTIONS AND ALARMS
Reverse polarity pro-
Battery reverse connection will open internal
tection
fuse (and produce alarm)
Battery monitoring
Detects for presence of battery on start up,
then every 60 minutes when charge current <
200mA
Battery protection
Electronic circuit breaker (ECB) operates
under the following conditions:
- low battery volts
•
•
- overload
•
- short circuit
Green: Battery System OK, Power OK
Indication LEDs
Red:
Alarms
•
•
Alarm relay contacts
C - NO - NC full changeover rated 1A /50V
DC, 32VAC
Turns off DC output of PSU & allows load to
Standby mode
run off battery
Optional - if enabled, default setting =
Battery condition test
20mins/28days). BCT can be started and
(BCT)
stopped by the user on SR500
provided to control an external test load.
ENVIRONMENTAL
Operating
0 to 50 °C ambient at full load
temperature
De-rate linearly at >50 °C to zero @ 70 °C
Storage temperature
-10 to 85 °C ambient
Humidity
0 - 95% relative humidity non-condensing
Cooling
Fan cooled
IP20
Protection
incl. SR500
battery voltage drops to 1.67V/cell -
auto reset
< 300ms for load > 6 x rated PSU cur-
rent, allows ~1.5x rated PSU current
from battery without acting,
< 2ms, backed up by fuse
Standby
Power OK (mains or charger fail, standby
mode)
Battery System OK - battery voltage low
(on mains fail) , battery missing, battery
circuit wiring faulty, BCT fail (if enabled)
i.
BCT relay
i
12
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