| POWER SUPPLY PS307 24 V/10 A |
| SIMATIC S7-300 Regulated power supply PS307 input: 120/230 V AC, output: 24 V / 10 A DC |
| Input |
| Input | 1-phase AC |
| Note | Automatic range selection |
| Supply voltage | |
| 1 at AC Rated value | 120 V |
| 2 at AC Rated value | 230 V |
| Input voltage | |
| 1 at AC | 85 ... 132 V |
| 2 at AC | 170 ... 264 V |
| Wide-range input | No |
| Overvoltage resistance | 2.3 × Vin rated, 1.3 ms |
| Mains buffering at Iout rated, min. | 20 ms; at Vin = 93/187 V |
| Rated line frequency 1 | 50 Hz |
| Rated line frequency 2 | 60 Hz |
| Rated line range | 47 ... 63 Hz |
| Input current | |
| at rated input voltage 120 V | 4.2 A |
| at rated input voltage 230 V | 1.9 A |
| Switch-on current limiting (+25 °C), max. | 55 A |
| Duration of inrush current limiting at 25 °C | |
| maximum | 3 ms |
| I²t, max. | 3.3 A²·s |
| Built-in incoming fuse | T 6.3 A/250 V (not accessible) |
| Protection in the mains power input (IEC 898) | Recommended miniature circuit breaker: from 10 A characteristic C |
| Output |
| Output | Controlled, isolated DC voltage |
| Rated voltage Vout DC | 24 V |
| Total tolerance, static ± | 3 % |
| Static mains compensation, approx. | 0.1 % |
| Static load balancing, approx. | 0.5 % |
| Residual ripple peak-peak, max. | 50 mV |
| Residual ripple peak-peak, typ. | 15 mV |
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 150 mV |
| Spikes peak-peak, typ. (bandwidth: 20 MHz) | 60 mV |
| Product function Output voltage adjustable | No |
| Output voltage setting | - |
| Status display | Green LED for 24 V OK |
| On/off behavior | No overshoot of Vout (soft start) |
| Startup delay, max. | 2 s |
| Voltage rise, typ. | 10 ms |
| Rated current value Iout rated | 10 A |
| Current range | 0 ... 10 A |
| Supplied active power typical | 240 W |
| Short-term overload current | |
| on short-circuiting during the start-up typical | 38 A |
| at short-circuit during operation typical | 38 A |
| Duration of overloading capability for excess current | |
| on short-circuiting during the start-up | 80 ms |
| at short-circuit during operation | 80 ms |
| Parallel switching for enhanced performance | Yes |
| Efficiency |
| Efficiency at Vout rated, Iout rated, approx. | 90 % |
| Power loss at Vout rated, Iout rated, approx. | 27 W |
| Closed-loop control |
| Dynamic mains compensation (Vin rated ±15 %), max. | 0.1 % |
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 2 % |
| Setting time maximum | 0.1 ms |
| Protection and monitoring |
| Output overvoltage protection | Additional control loop, shutdown at < 28.8 V, automatic restart |
| Current limitation | 11 ... 12 A |
| Property of the output Short-circuit proof | Yes |
| Short-circuit protection | Electronic shutdown, automatic restart |
| Enduring short circuit current RMS value | |
| maximum | 12 A |
| Overload/short-circuit indicator | - |
| Safety |
| Primary/secondary isolation | Yes |
| Galvanic isolation | Safety extra-low output voltage Uout acc. to EN 60950-1 and EN 50178 |
| Protection class | Class I |
| Leakage current | |
| maximum | 3.5 mA |
| typical | 0.6 mA |
| CE mark | Yes |
| UL/cUL (CSA) approval | cULus-Listed (UL 508, CSA C22.2 No. 142), File E143289 |
| Explosion protection | ATEX (EX) II 3G Ex nA II T4; cULus (ANSI/ISA 12.12.01, CSA C22.2 No.213) Class I, Div. 2, Group ABCD, T4, File E330455 |
| FM approval | Class I, Div. 2, Group ABCD, T4 |
| CB approval | No |
| Marine approval | In S7-300 system |
| Degree of protection (EN 60529) | IP20 |
| EMC |
| Emitted interference | EN 55022 Class B |
| Supply harmonics limitation | EN 61000-3-2 |
| Noise immunity | EN 61000-6-2 |
| Operating data |
| Ambient temperature | |
| during operation | 0 ... 60 °C |
| — Note | with natural convection |
| during transport | -40 ... +85 °C |
| during storage | -40 ... +85 °C |
| Humidity class according to EN 60721 | Climate class 3K3, no condensation |
| Mechanics |
| Connection technology | screw-type terminals |
| Connections | |
| Supply input | L, N, PE: 1 screw terminal each for 0.5 ... 2.5 mm² single-core/finely stranded |
| Output | L+, M: 4 screw terminals each for 0.5 ... 2.5 mm² |
| Auxiliary | - |
| Width of the enclosure | 80 mm |
| Height of the enclosure | 125 mm |
| Depth of the enclosure | 120 mm |
| Required spacing | |
| top | 40 mm |
| bottom | 40 mm |
| left | 0 mm |
| right | 0 mm |
| Weight, approx. | 0.8 kg |
| Product feature of the enclosure housing for side-by-side mounting | Yes |
| Installation | Can be mounted onto S7 rail |
| Mechanical accessories | Mounting adapter for standard mounting rail (6EP1971-1BA00) |
| MTBF at 40 °C | 1 504 280 h |
| Other information | Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) |
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