| SIMATIC S7-300 STABILIZED POWER SUPPLY PS307 INPUT: 120/230 V AC OUTPUT: DC 24 V DC/2 A |
| Technical specifications | |
| Product | PS 307 |
| Power supply, type | 24 V/2 A |
| Input | |
| Input | 1-phase AC |
| Supply voltage / 1 / at AC / nominal value | 120 V |
| Supply voltage / 2 / at AC / nominal value | 230 V |
| Automatic range selection |
| Input voltage / 1 / at AC | 85 V…132 V |
| Input voltage / 2 / at AC | 170 V…264 V |
| Wide-range input | No |
| Overvoltage resistance | 2.3 × Vin rated, 1.3 ms |
| Mains buffering at Iout rated, min. | 20 ms |
| Mains buffering | at Vin = 93/187 V |
| Rated line frequency | 50 Hz/60 Hz |
| Rated line range | 47 Hz...63 Hz |
| Input current / at nominal level of the input voltage 120 V | 0.9 A |
| Input current / at nominal level of the input voltage 230 V | 0.5 A |
| Switch-on current limiting (+25 °C), max. | 22 A |
| Duration of current limiting / at 25 °C / maximum | 3 ms |
| I²t, max. | 1 A²·s |
| Built-in incoming fuse | T 1.6 A/250 V (not accessible) |
| Protection in the mains power input (IEC 898) | Recommended miniature circuit breaker: 3 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. | 0.2 % |
| Residual ripple peak-peak, max. | 50 mV |
| Residual ripple peak-peak, typ. | 5 mV |
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 150 mV |
| Spikes peak-peak, typ. (bandwidth: 20 MHz) | 20 mV |
| Product feature / 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 | 2 A |
| Current range | 0 A…2 A |
| delivered active power / typ. | 48 W |
| short-term overload current / at short-circuit during run-up / typical | 9 A |
| Duration of overloading ability for excess current / on short-circuiting during the start-up | 90 ms |
| short-term overload current / at short-circuit during operation / typical | 9 A |
| Duration of overloading ability for excess current / on short-circuiting during the operational phase | 90 ms |
| Parallel switching for enhanced performance | Yes |
| Efficiency | |
| Efficiency at Vout rated, Iout rated, approx. | 84 % |
| Power loss at Vout rated, Iout rated, approx. | 9 W |
| Closed-loop control | |
| Dynamic mains compensation (Vin rated ±15 %), max. | 0.1 % |
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 0.8 % |
| Load step setting time 50 to 100%, typ. | 0.5 ms |
| Load step setting time 100 to 50%, typ. | 0.5 ms |
| Setting time / maximum | 1 ms |
| Protection and monitoring | |
| Output overvoltage protection | Additional control loop, shutdown at < 28.8 V, automatic restart |
| Current limitation | 2.2 A…2.6 A |
| Characteristic feature of the output / short-circuit protected | Yes |
| Short-circuit protection | Electronic shutdown, automatic restart |
| Enduring short circuit current / Effective level / maximum | 2 A |
| Overload/short-circuit indicator | - |
| Safety | |
| Primary/secondary isolation | Yes |
| Potential separation | Safety extra low output voltage Vout according to EN 60950-1 and EN 50178 |
| Protection class | Class I |
| stray current / maximum | 3.5 mA |
| stray current / typical | 0.5 mA |
| CE mark | Yes |
| UL/CSA approval | Yes |
| UL/cUL (CSA) approval | cULus-Listed (UL 508, CSA C22.2 No. 142), File E143289, UL 1604 Class I Div. 2 Group A, B, C, D, File E330455 |
| Explosion protection | ATEX (EX) II 3G Ex nA II T4; UL 1604 Class I, Div. 2, Group ABCD |
| 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 | not applicable |
| Noise immunity | EN 61000-6-2 |
| Operating data | |
| Ambient temperature / in operation | 0 °C…60 °C |
| with natural convection |
| Ambient temparature / on transport | -40 °C…85 °C |
| Ambient temparature / in storage | -40 °C…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 |
| Connections / Output | L+, M: 2 screw terminals each for 0.5 ... 2.5 mm² |
| Connections / Auxiliary | - |
| Width / of the housing | 40 mm |
| Height / of the housing | 125 mm |
| Depth / of the housing | 120 mm |
| Installation width | 40 mm |
| Mounting height | 205 mm |
| Weight, approx. | 0.4 kg |
| Product feature / of the housing / housing for side-by-side mounting | Yes |
| Type of mounting / wall mounting | No |
| Type of fixing / cap rail mounting | No |
| Type of mounting / S7-300 rail mounting | Yes |
| Installation | Can be mounted onto S7 rail |
| Mechanical accessories | Mounting adapter for standard mounting rail (6EP1971-1BA00) |
| Last change: | Sep 21, 2011 |
