
Power supply modules
3.11 Power supply module PS 407 20A (6ES7407-0RA02-0AA0)
S7-400 Automation System Module Data
80 Reference Manual, Edition 09/2009, A5E00850736-06
Specifications of the PS 407 20A
Dimensions, weight, and cable cross-sections
Dimensions W x H x D (mm)
Weight
Cable cross-section
25x290x217
1.3 kg
3 x 1.5 mm
2
(litz wire with wire end ferrule with
insulating collar; use only flexible sheath cable)
Cable diameter 3 to 9 mm
Input parameters
Input voltage
Nominal value
120/230 VDC
20/230 VAC
Permissible range
88 to 300 VAC
85 to 264 VDC
(varying voltage input)
Mains frequency
Nominal value
50/60 Hz
Permissible range
47 to 63 Hz
Nominal input current
At 120 VAC / 120 VDC
1.4 A
At 230 VAC / 230 VDC
0.7 A
Starting current inrush Peak value 88 A half-value width 1,1 ms
Leakage current < 3.5 mA
Output parameters
Output voltages
Nominal values
5.1 / 24 VDC
Output currents
Nominal values
5 VDC: 20 A
24 VDC: 1.0 A
Electrical parameters
Protection class in accordance with IEC 60536 I, with protective conductor
Overvoltage category II
Pollution degree 2
Nominal voltage U
e
0 < U
e
≤ 50 V
150 V < U
e
≤ 300 V
Test voltage
700 VDC (secondary <-> PE)
2300 VDC (primary <-> secondary/PE)
Buffering of power failures >20 ms at a repeat rate of 1 s, complies with the
NAMUR recommendation NE 21
Power consumption 158 W
Power loss 35 W
Backup current Max. 100 µA at power off
Backup batteries (optional) 2 x Lithium AA,
3.6 V/2.3 Ah
Protective separation to IEC 61131-2 Yes
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