ABB AC 800M

SS822 Voting Unit – (for Redundant Power Supply) Appendix A Hardware Units
190 3BSE 027 941 R301
Table 56. SS822 Voting Unit – Supervision Data
Supervision Data SS822
Voltage, low trip level (for decreasing
voltage)
22V
Voltage, low trip hysteresis 0.7V
Voltage, high trip level for rising
voltage
30V
High trip hysteresis 0.7V
Contact rating a.c. Max. 120V and max. 0.5A
Contact rating d.c. Max. 28V and max. 1A;
min. 1mA, recommended min. 5mA
Table 57. SS822 – Technical Data and Mounting Dimensions
Parameter SS822
Rated output current (A) 20A
Rated output voltage 24V
Rated input power 500W
Mains/input voltage, nominal 2 x 24V d.c.
Mains/input voltage, max 35V d.c
Heat dissipation 10W
Output voltage regulation at max.
current
0.5V lower than input
Maximum output current 35A (Overload)
Protection Rating IP20 according to EN60529, 7IEC 529
Dimensions, Width
HxD = 125 x 110mm
(4.9 x 4.3 inches)
50mm (2.0")