| | SIMATIC S7-400, PS 407 POWER SUPPLY, 20A, 120/230V UC, 5V/20A DC |
| |
| Supply voltage |
| Rated value, 110 V DC | Yes |
| Rated value, 230 V DC | Yes |
| permissible range, lower limit (DC) | 88 V |
| permissible range, upper limit (DC) | 300 V |
| Rated value, 120 V AC | Yes |
| Rated value, 230 V AC | Yes |
| Line frequency |
| Rated value 50 Hz | Yes |
| Rated value 60 Hz | Yes |
| permissible range, lower limit | 47 Hz |
| permissible range, upper limit | 63 Hz |
| Mains buffering |
| Mains/voltage failure stored energy time | 20 ms |
| Mains buffering according to NAMUR recommendation | Yes |
| Input current |
| Rated value at 110 V DC | 1.5 A |
| Rated value at 230 V DC | 0.8 A |
| Rated value at 120 V AC | 1.5 A |
| Rated value at 230 V AC | 0.8 A |
| Inrush current, max. | 48 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. | 168 W |
| Power losses |
| Power loss, typ. | 44 W |
| Backup battery |
| Backup battery | |
| Backup battery (optional) | Yes; 2 x lithium AA; 3.6 V/1.9 Ah |
| Galvanic isolation |
| primary/secondary | Yes |
| EMC |
| Compliance with line harmonic distortion limits |
| Observance of line harmonic distortion acc. to IEC 61000-3-2, IEC 61000-3-3 | 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 |
