SIMATIC S7-300 stabilized power supply PS307 input: 120/230 V AC output: 24 V DC/10 A |
Input |
Input |
1-phase AC |
Supply voltage |
|
● 1 at AC Rated value |
120 V |
● 2 at AC Rated value |
230 V |
● Note |
Automatic range selection |
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 (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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