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 SIMATIC S7-300 STABILIZED POWER SUPPLY PS307 INPUT: 120/230 V AC OUTPUT: DC 24 V DC/5 A  | 
| Technical specifications | 
 | 
| Product | 
PS 307 | 
| Power supply, type | 
24 V/5 A | 
| Input | 
 | 
| Input | 
1-phase AC | 
| Supply voltage / 1 / with AC / Rated value | 
120 V | 
| Supply voltage / 2 / with AC / Rated value | 
230 V | 
| Supply voltage | 
  | 
| 
 | 
Automatic range selection | 
| Input voltage / 1 / with AC | 
85…132 V | 
| Input voltage / 2 / with 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 | 
| Mains buffering | 
at Vin = 93/187 V | 
| Rated line frequency | 
50/60 Hz | 
| Rated line range | 
47...63 Hz | 
| Input current / at rated input voltage 120 V | 
2.3 A | 
| Input current / at rated input voltage 230 V | 
1.2 A | 
| Switch-on current limiting (+25 °C), max. | 
20 A | 
| Duration of inrush current limiting / at 25 °C / maximum | 
3 ms | 
| I²t, max. | 
1.2 A²·s | 
| Built-in incoming fuse | 
T 3,15 A/250 V (not accessible) | 
| Protection in the mains power input (IEC 898) | 
Recommended miniature circuit breaker: from 6 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. | 
10 mV | 
| Spikes peak-peak, max. (bandwidth: 20 MHz) | 
150 mV | 
| Spikes peak-peak, typ. (bandwidth: 20 MHz) | 
20 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 | 
5 A | 
| Current range | 
0…5 A | 
| Active power supplied / typical | 
120 W | 
| Short-term overload current / on short-circuiting during the start-up / typical | 
20 A | 
| Duration of overloading capability for excess current / on short-circuiting during the start-up | 
100 ms | 
| Short-term overload current / at short-circuit during operation / typical | 
20 A | 
| Duration of overloading capability for excess current / at short-circuit during operation | 
100 ms | 
| Parallel switching for enhanced performance | 
Yes | 
| Efficiency | 
 | 
| Efficiency at Vout rated, Iout rated, approx. | 
87 % | 
| Power loss at Vout rated, Iout rated, approx. | 
18 W | 
| Closed-loop control | 
 | 
| Dynamic mains compensation (Vin rated ±15 %), max. | 
0.1 % | 
| Dynamic load smoothing (Iout: 50/100/50 %), Uout ± typ. | 
1 % | 
| Load step setting time 50 to 100%, typ. | 
0.3 ms | 
| Load step setting time 100 to 50%, typ. | 
0.3 ms | 
| Protection and monitoring | 
 | 
| Output overvoltage protection | 
Additional control loop, shutdown at < 28.8 V, automatic restart | 
| Current limitation | 
5.5…6.5 A | 
| Property of the output / Short-circuit proof | 
Yes | 
| Short-circuit protection | 
Electronic shutdown, automatic restart | 
| Enduring short circuit current / RMS value / maximum | 
7 A | 
| 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 | 
| Leakage 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 | 
| Explosion protection | 
ATEX (EX) II 3G Ex nA II T4; cULus (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 | 
| 
 | 
with natural convection | 
| Ambient temperature / during transport | 
-40…+85 °C | 
| Ambient temperature / 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 | 
| Connections / Output | 
L+, M: 3 screw terminals each for 0.5 ... 2.5 mm² | 
| Connections / Auxiliary | 
- | 
| Width / of the enclosure | 
60 mm | 
| Height / of the enclosure | 
125 mm | 
| Depth / of the enclosure | 
120 mm | 
| Installation width | 
60 mm | 
| Mounting height | 
205 mm | 
| Weight, approx. | 
0.6 kg | 
| Product property / of the enclosure / housing for side-by-side mounting | 
Yes | 
| Mounting type / wall mounting | 
No | 
| Mounting type / Standard rail mounting | 
No | 
| Mounting type / S7 rail mounting | 
Yes | 
| Installation | 
Can be mounted onto S7 rail | 
| Mechanical accessories | 
Mounting adapter for standard mounting rail (6EP1971-1BA00) | 
| Other information | 
Specifications at rated input voltage and ambient temperature +25 °C (unless otherwise specified) | 
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 letzte Änderung:  | 
 Oct 10, 2015  |