Reference Manual
5(6)
EN/LZT 720 0230 R1A
• One service outlet, protected by a 10 A circuit breaker with earth fault
breaker
• Two DC outputs for cabinet lighting and auxiliary equipment, protected by
1 A circuit breakers
• Rectifier for supply of Control Unit
• Voltage Regulator for supply of Control Unit and DC outputs from +24 or
-48 V DC
• Relays which provide the possibility to turn off and on the PSU outputs
• Control Unit
4 Interfaces
4.1 Signal and Power Interfaces
Input Data
The input terminals accept supply cables with conductor area of 2.5 – 16 mm².
Maximum allowed fuse rating is 63 A per phase.
Table 2 AC supply 50 Hz
Single-phase, four-wire, earthed
neutral
200 V AC to 250 V AC
346/200 V AC to 433/250 V AC
Three-phase star, four-wire
(1)
,
earthed neutral
208/120 V AC to 220/127 V AC
(1) It is also possible to supply the ACCU with a three-phase, five-wire system (separate
neutral and earth conductors).
Table 3 AC supply 60 Hz
Single-phase, three-wire, earthed
mid-point
200/100 V AC to 240/120 V AC
Three-phase star, four-wire
(1)
,
earthed neutral
208/120 V AC to 220/127 V AC
(1) It is also possible to supply the ACCU with a three-phase, five-wire system (separate
neutral and earth conductors).