ST – II Series POWER SUPPLIES
Specification
Input Voltage:
Input Surge:
Hold-up Time:
Output Current:
Factory Set Voltage
Load Regulation:
Output Ripple
Voltage:
Over Voltage
Protection:
Over Current
Protection
Battery Current Limit 10A ± 1A (ST20-II)
Battery
Connect/Disconnect
Battery Trickle
Charge
Battery Drain
Efficiency:
Cooling Fan
Operation ST35-II
Only.
Ambient
Weight:
Standards
Compliance:
ST20-II & ST35-II: 230 – 240Vac nominal, ±10%, 50/60Hz.
The power supply will withstand a 5 minute, +15% surge on the
maximum nominal voltage
< 40A (cold start)
> 10mS at full load current and over nominal input voltage operating
range
ST20-II: 20A Continuous (load + battery current)
ST35-II: 35A Continuous (load + battery current)
13.65V +/- 0.1V (Vfloat)
< 2%
< 150mV
< 17V
ST20-II: 20A to 25A (load + battery current)
ST35-II: 35A to 38A (load + battery current)
15A ± 1A (ST35-II)
Connect: 10.50 ± 0.2V (Input Mains not present) and first power up
Connect: 11.70 ± 0.2V (Input Mains not present and not first power up)
Connect: 11.50 ± 0.2V (Input Mains present)
Disconnect: 10.0 ± 0.2V
0.8A
< 2mA.
> 84%
Cooling fan on temperature of Transformer: 95C + 3 degrees.
Cooling fan off temperature of Transformer: 75C + 3 degrees.
O
O
0
C – 50
C
< 2kg
Safety: EN60335-1 & EN60335-2-29
EMC EN55022 class B
OCEI, ACA (RCM)
Page 8 of 11
USER INSTRUCTIONS
Issue F
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