Data Sheet

https://www.phoenixcontact.com/de/products/1088478
07/28/2021Page2/11
Power supply unit-STEP3-PS/1AC/24DC/5/PT-1088478
Technical data
Dimensions
55 mm (Device depth (DIN rail mounting))
Horizontal pitch 4 Div. (DIN43880)
Installation distance right/left 0 mm / 0 mm
Installation distance top/bottom 30 mm / 30 mm
Ambient temperature (operation) -10 °C ... 70 °C (Derating: >50°C; 2%/K)
Ambient temperature (start-up type tested) -25 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Max. permissible relative humidity (operation) ≤ 95 % (at 25 °C, non-condensing)
Maximum altitude ≤ 4000 m (> 2000m, Derating: 10%/1000m)
Vibration (operation) < 15 Hz, amplitude ±2.5 mm (according to IEC 60068-2-6)
15 Hz ... 150 Hz, 2.3g, 90 min.
Shock 18 ms, 30g, in each space direction (according to IEC60068-2-27)
Degree of pollution 2
Climatic class 3K3 (EN60721)
Input data
Input voltage range 100 VAC ... 240 VAC -15%...+10%
110 VDC ... 250 VDC -10%...+40%
Derating < 115 VAC ... 85 VAC (1%/V)
< 115 VDC ... 99 VDC (1%/V)
Frequency range (f
N
)
50 Hz ... 60 Hz ±10%
Typical national grid voltage 120 VAC
230 VAC
Voltage type of supply voltage AC/DC
Current consumption 1.32 A (100VAC)
0.57 A (240VAC)
1.29 A (110VDC)
0.51 A (250VDC)
Discharge current to PE < 0.25 mA
Mains buffering time typ. 20 ms (120VAC)
typ. 20 ms (230VAC)
Switch-on time typ. 2 s
Inrush current typ. 37 A
Inrush current integral (I
2
t) typ. 0.4 A
2
s
Type of protection Transient surge protection
Protective circuit/component Varistor
Device mains fuse 4 A internal (device protection), slow-blow
Recommended breaker for input protection 6 A ... 16 A (Characteristics B, C, D, K)
Output data
Nominal output voltage 24 VDC