Phoenix STEP-PS/277AC/24DC/3.5-power 2904945,24V DC/3.5A DIN rail mounted power supply, primary switch mode, single phase
| AC operation |
| Rated input voltage range |
100V AC ... 277V AC |
| Input Voltage Range |
85V AC ... 305V AC |
| Supply Voltage |
AC |
| Impulse current |
< 40 A (typical) |
| impulse current integral (I2t) |
< 2.8 A2s |
| AC frequency range |
45Hz ... 65Hz |
| DC frequency range |
0Hz |
| grid buffer time |
Typical 25 ms (120V AC) |
| Typical 160 ms (277V AC) |
| power consumption |
1.43 A (120V AC) |
| 0.75 A (277V AC) |
| Rated power consumption |
147.7 VA |
| power factor (cos phi) |
0.64 |
| Typical Response Time |
< 0.5 s |
| input fuse |
4 A (slow fuse, internal) |
| Allowable Spare Fuses |
B6 B10 B16 |
| recommend use |
6 A ... 16 A (characteristics B, C, D, K) |
| DC operation |
| Input Voltage Range |
95V DC ... 250V DC |
| Supply Voltage |
DC |
| efficiency |
> 88% (277V AC and rated) |
| output characteristics |
U/ I |
| Rated output voltage |
24V DC ±1% |
| output voltage (USet) setting range |
22.5V DC ... 25V DC (> 24V DC, stable capacity limit) |
| Output current Imax |
6 A |
| Rated output current (IN) |
3.5 A (-25°C ... 55 °C) |
| Attenuation |
55°C ... 70°C (2.5 %/K) |
| feedback voltage resistance |
≤ 35V DC |
| output |
< 35V DC |
| control deviation |
<1% (load change, static 10%... 90%) |
| <2% (change of load, dynamic 10%... 90%) |
| < 0.1 % (input voltage variation is ± 10 %) |
| residual wave |
< 10 mVSS(20 MHz) |
| output power |
84W |
| peak switching voltage rated load |
< 30 mVSS(20 MHz) |
| maximum no-load power consumption |
< 0.6W |
| Maximum rated load power loss |
11.5W |
| rise time |
< 0.5 s (UOUT(10%... 90%)) |
| Concatenation |
is |
| Input |
| Connection Mode |
screw connection |
| Minimum cross section of rigid conductor |
0.2 mm² |
| Maximum cross section of rigid conductor |
2.5 mm² |
| flexible lead |
0.2 mm² |
| flexible conductor |
2.5 mm² |
| Minimum Wire Cross Section AWG |
24 |
| Maximum conductor cross section AWG |
12 |
| stripping length |
6.5mm |
| thread |
M3 |
| Minimum tightening torque |
0.5 Nm |
| Maximum tightening torque |
0.6 Nm |
| Output |
| Connection Mode |
screw connection |
| Minimum cross section of rigid conductor |
0.2 mm² |
| Maximum cross section of rigid conductor |
2.5 mm² |
| flexible lead |
0.2 mm² |
| flexible conductor |
2.5 mm² |
| Minimum Wire Cross Section AWG |
24 |
| Maximum conductor cross section AWG |
12 |
| stripping length |
6.5mm |
| thread |
M3 |
| Minimum tightening torque |
0.5 Nm |
| Maximum tightening torque |
0.6 Nm |
| Signal Type |
LED |
| Operating voltage display |
Green LED |
| signal output: LED status display |
| Status Display |
DC OK LED green |
| Notes on Status Display |
UOutput>21.5V: LED on |
