Data Sheet

https://www.phoenixcontact.com/de/products/1088478
07/28/2021Page3/11
Power supply unit-STEP3-PS/1AC/24DC/5/PT-1088478
Technical data
Output data
Setting range of the output voltage (U
Set
)
22 VDC ... 27 VDC (> 24 VDC, constant capacity restricted)
Nominal output current (I
N
)
5 A
Control deviation < 0.5 % (Static load change 10% ... 90%)
< 3 % (Dynamic load change 10% ... 90%, (10 Hz))
< 0.1 % (change in input voltage ±10 %)
Short-circuit-proof yes
No-load proof yes
Residual ripple
typ. 150 mV
PP
Connection in parallel yes, for increasing power and redundancy with diode
Connection in series yes, for increased output voltage
Feedback voltage resistance ≤ 35 VDC
Protection against overvoltage at the output (OVP) < 35 VDC
Rise time
typ. 100 ms (U
Out
=10%...90%)
Derating > 50 °C ... 70 °C (2%/K)
Crest factor typ. 1.74 (120VAC)
typ. 2.08 (230 VAC)
Output power 120 W
Minimum no-load power dissipation < 0.21 W (120VAC)
Maximum power dissipation in no-load condition < 0.21 W (230 V AC)
Minimum nominal load power dissipation < 8.8 W (120VAC)
Power loss nominal load max. < 6.8 W (230 V AC)
General
Net weight 255 g
Environmental protection directive RoHS Directive 2011/65/EU
WEEE
Reach
Efficiency > 93 % (120VAC)
> 94.5 % (230VAC)
MTBF (IEC 61709, SN 29500) > 1350000 h (25°C)
> 750000 h (40°C)
> 488000 h (50°C)
Insulation voltage input/output 4 kV AC (type test)
3.75 kV AC (routine test)
Degree of protection IP20
Protection class II (in closed control cabinet)
Efficiency Level VI
Housing material Polycarbonate
Foot latch material Polyamid
Mounting position horizontal DIN rail NS 35, EN 60715
Assembly instructions alignable: 0mm horizontally, 30mm vertically