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SIMATIC S7-400, POWERSUPPLY PS 405: 20A, WIDE RANGE, 24/48/60V DC, 5V DC/20A, ATEXAPPROBATIONIDENTIFICATION |
|
| 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) |
19.2 V; Dynamic 18.5 V |
| permissible range, upper limit (DC) |
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 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 |
| Rated value, 5 V DC |
Yes |
| Rated value, 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 |
| Power consumption, typ. |
168 W |
| Power loss |
| Power loss, typ. |
44 W |
| Battery |
| Backup battery |
| Backup battery |
|
| Backup battery (optional) |
Yes; 2 x lithium AA; 3.6 V/2.3 Ah |
| Hardware configuration |
| Slots |
| required slots |
2 |
| Galvanic isolation |
| primary/secondary |
Yes |
| Degree and class of protection |
| Protection class |
1; with protective conductor |
| Standards, approvals, certificates |
| FM approval |
Yes; Ta: 0 °C to 60 °C T4 |
| Dimensions |
| Width |
50 mm |
| Height |
290 mm |
| Depth |
217 mm |
| Weights |
| Weight, approx. |
1300 g |
| Status |
Jul 9, 2014 |
