Product specifications

Power Supply Units – Types SD821, SD822 and SD823 Appendix A Hardware Units
362 3BSE036351-510 A
Technical Data
Table 111. PSU’s SD821, 822 and 823 – Technical Data
Parameter
SD821
Converter
SD822
Converter
SD823
Converter
Rated output current (A) 2.5 A 5 A 10 A
Rated output power 60 W 120 W 240 W
Rated output voltage 24 V 24 V 24 V
Rated input power 160 VA
70 W
280 VA
135 W
690 VA
265 W
Mains/input voltage, nominal 115/230 V AC 115/230 V AC 115/230 V AC
Mains voltage variation allowed a.c. (recommended
operating condition)
85–110% 85–110% 85–110%
Mains frequency a.c. (recommended operating
condition)
45–65 Hz 45–65 Hz 45–65 Hz
Absolute maximum supply voltage (short term),
max. a.c.
138/275 V AC 138/275 V AC 138/275 V AC
Surge; Primary peak current at power on 25 A 15 A 30 A
Power Factor (at rated output power) 0.47 typ 0.5 typ 0.5 typ
Heat dissipation 8.6 W 13.3 W 26.7 W
Efficiency factor 87% typ 90% typ 90% typ
Output voltage regulation at max. current ±2% ±2% ±2%
Ripple (peak to peak) 25 mV 25 mV 30 mV
Secondary voltage holdup time at mains blackout >20 ms >20 ms >20 ms
Maximum output current 5 A 10 A 20 A
Protection Rating IP20 according to EN60529, IEC 529