Product Description Part 2

RBS 2207
Note: When single phase line to line is used, each PSU requires two circuit
breakers or fuses.
Table 9 AC mains power req uirements
Voltage range for specified
Perform ance (phase voltage)
120 - 250 V AC
Vo ltage range 90 - 275 V AC
(1)
Frequen cy 45 - 65 Hz
Inrush current, max. 30 A (1 - 30 ms)
Maxim um AC power 1.4 kW x 2
Non-destructive range 0 - 275 V AC
Overvoltage <20 ms 325 V
(2)
Maxim um ground leakage curre nt 10 mA x 2
(1) 1) 90 - 108 V AC with reduced output power. 1000 W per PSU
(2) 2) Install external filter and stabiliser if not met.
Mains Fuses
Table 10 Mains fuses re commendation
Minim um for Safe
Function
Recommended for
Maximum Selectivity
Maximum Allowed
Fuse Rating
2x10 A /16 A
(1)
2x16 A 2x20 A
(1) 1) For 200 - 250 V range only.
External Earth Fault Circuit Breakers
If ex ternal earth fault (ground fault) circuit b reakers are u sed, then the
recommended minimum trip value is 100 mA.
7.2 +24 V DC Supply Voltage
Table 11 DC power requirements
Nominal +24 V DC
Default
+27.2 V DC
Range +20.5 to +29.0 V DC
Non-destructive r ange +0 to +32 V DC
Inrush c urrent Max. 500 A (0.1 - 10 ms)
19 (24)
EN/LZT 720 0134 Uen R3A