Recovery time ≥ 50 s
Events per hour ≤ 10
Transient voltage interruptions
Outage time ≤ 3 ms
Recovery time ≥ 10 s
Events per hour ≤ 10
Additional references
Recommended power supply units and tables for calculating the current drawn for SINAMICS
S120 module lineups can be found in chapter "Control cabinet design and EMC Booksize" of the
"SINAMICS S120 Booksize power units" manual.
7.5.3 Connecting the power supply
Wiring the screw-type terminal block
The required 24 V DC load current supply is wired to screw-type terminal block X124.
Power cables
Table 7-5 Cable specication for X124
Features Version
Connector type 4-pin screw terminal
Connectable cable types and conductor cross-sections
• Rigid
• Flexible
• Flexible, with end sleeve without plastic sleeve
• Flexible, with end sleeve with plastic sleeve
• AWG / kcmil
• 0.2 mm² to 2.5 mm²
• 0.2 mm² to 2.5 mm²
• 0.2 mm² to 2.5 mm²
• 0.2 mm² to 1.5 mm²
• 22 to 12
Stripped length 6-7 mm
Tool Screwdriver 0.5 x 3 mm (M2.5)
Tightening torque 0.4 to 0.5 Nm
Max. current carrying capacity, incl. loop-through 20 A
*)
(15 A according to UL/CSA)
Max. cable length 10 m
*)
This value must be taken into consideration for the current-carrying capacity of the power supply cable.
Connecting
7.5 Power supply
NCU 7x0.3B PN
54 Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
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