Article number 6ES7405-0RA02-0AA0
SIMATIC S7-400, power supply PS405: 20 A, wide range, 24/48/60 V DC, 5 V DC/20 A,
Supply voltage
Rated value (DC)
● 24 V DC Yes
● 48 V DC Yes
● 60 V DC Yes
Mains buffering
● Mains/voltage failure stored energy time 20 ms
● Mains buffering according to NAMUR recommendation Yes
Input current
Rated value at 24 V DC 7 A
Rated value at 48 V DC 3.2 A
Rated value at 60 V DC 2.5 A
Inrush current, max. 56 A; Full width at half maximum 1.5 ms
output voltage / header
Type of output voltage DC
Rated value (DC)
● 5 V DC Yes
● 24 V DC Yes
Output current
for backplane bus (5 V DC), max. 20 A; no base load required
for backplane bus (24 V DC), max. 1 A; idling-proof
Short-circuit protection Yes
Power
Active power input, typ. 168 W
Power loss
Power loss, typ. 44 W
Battery
Backup battery
● Backup battery (optional) Yes; 2x lithium AA; 3.6 V / 2.2 Ah
Hardware configuration
Slots
● required slots 2
Potential separation
primary/secondary Yes
Isolation
Overvoltage category II
Degree and class of protection
Equipment protection class I, with protective conductor
Standards, approvals, certificates
FM approval Yes; Ta: 0 °C to 60 °C T4
CCC Yes
BIS Yes
Ambient conditions
Ambient temperature during operation
● min. 0 °C
● max. 60 °C
connection method
Design of electrical connection 3x 1.5 mm², solid or stranded wire with end sleeve, external diameter 3 mm to 9 mm
Dimensions
Width 50 mm
Height 290 mm
Depth 217 mm
Weights
Weight, approx. 1 300 g
last modified: 3/12/2024