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www.heliosps.com
SR250HL Series - 250 W Power Supply/Float Charger for Lead Acid Ba$eries
8. TECHNICAL SPECIFICATIONS
Output power
250 W (0-50°C )
Input Voltage
180V - 264VAC 45-65Hz
Output Voltages
7.5V 13.8V, 24V, 30V, 36V, 48V 60V
Other voltages by request
Voltage Adj. Range
85% - 105% of Vout
Overcurrent protecEon
Constant current limit under overload and short circuit condiEons
IsolaEon
Input – earth – 2.5KVdc
Output – earth - 500Vdc
Efficiency
> 85%
Inrush Current
SoQ start circuit
OperaEng temperature
0 to 50 °C ambient at full load. De-rate linearly > 50
°
C to no load @ 70
°
C
Humidity
0 - 95% relaEve humidity non - condensing
Cooling
Natural convecEon , except for 12V
LED IndicaEon
Green: DC OK
Green: Power OK
Red: Standby
Alarm Relays
Form C contacts changeover, rated 30VDC,2A/110VDC,0.3A/125VAC,0.5A
DC High
POWER (mains fail, PSU fail)
DC Low
Line RegulaEon
<0.2% over input range
Load RegulaEon
<0.4% open circuit to 100% load
Noise
<0.1%
Transient response
200mV over/undershoot,
Load step 20-100%, 400us seDling Eme
Hold-up Eme
15-20 ms (nom-max. Vin) without baDery
AC input connector
IEC60320— C13 10A input socket (similar to PCs etc)
DC ConnecEons
Plug-in style socket & maEng screw terminal block: (max. wire 2.5mm² / way) or M6
brass studs
Alarm connecEons
Plug in screw terminal block
Enclosure
Zinc plated & powder coated steel
Dimensions
150W x 242D x 61H (±mm)
Weight
1.8 Kg
EMC
To CISPR 22 / EN55022 Class A
Safety
To IEC950 / EN60950 / AS/NZS3260
10. STANDARDS
9. PHYSICAL
