| SIMATIC S7-400, PS 405 POWER SUPPLY, WIDE RANGE 20A, 24/48/60V DC, 5V/20A DC |
|
Supply voltage |
Rated value, 24 V DC | Yes |
Rated value, 48 V DC | Yes |
Rated value, 60 V DC | Yes |
permissible range, lower limit (DC) | Static 19.2 V, dynamic 18.5 V |
permissible range, upper limit (DC) | Static 72 V, dynamic 75.5 V |
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 | 7.3 A |
Rated value at 48 V DC | 3.45 A |
Rated value at 60 V DC | 2.75 A |
Inrush current, max. | 56 A; Full width at half maximum 1.5 ms |
Output voltage |
Rated value, 5 V DC | Yes |
Rated value, 24 V DC | Yes |
Output current |
for backplane bus (5 V DC), max. | 20 A; 200 mA base load required |
for backplane bus (24 V DC), max. | 1 A; idling-proof |
Short-circuit protection | Yes |
Power |
Power consumption, typ. | 175 W |
Power losses |
Power loss, typ. | 51 W |
Backup battery |
Backup battery | |
Backup battery (optional) | Yes; 2 x lithium AA; 3.6 V/1.9 Ah |
Galvanic isolation |
primary/secondary | Yes |
Degree and class of protection |
Protection class | 1; with protective conductor |
Standards, approvals, certificates |
FM approval | Yes; up to 40 °C: T4 |
Connection method |
Connecting cables/cross sections | 3 x 1.5 mm2, solid or stranded wire with end sleeve, external diameter 3 to 9 mm |
Dimensions |
Width | 75 mm |
Height | 290 mm |
Depth | 217 mm |
Required slots | 3 |
Weight |
Weight, approx. | 2200 g |
Status | Mar 12, 2012 |