Datasheet
https://www.phoenixcontact.com/us/products/2868538
05/19/2014Page2/6
Power supply unit-STEP-PS/ 1AC/12DC/1-2868538
Technical data
Ambient conditions
Ambient temperature (storage/transport) -40 °C ... 85 °C
Max. permissible relative humidity (operation) 95 % (at 25 °C, non-condensing)
Noise immunity EN 61000-6-2:2005
Input data
Input voltage range 85 V AC ... 264 V AC
95 V DC ... 250 V DC
AC frequency range 45 Hz ... 65 Hz
Frequency range DC 0 Hz
Current consumption 0.26 A (120 V AC)
0.13 A (230 V AC)
Inrush surge current < 15 A (typical)
Power failure bypass > 15 ms (120 V AC)
> 90 ms (230 V AC)
Input fuse 1.25 A (slow-blow, internal)
Choice of suitable fuses 6 A ... 16 A (Characteristics B, C, D, K)
Output data
Nominal output voltage 12 V DC ±1%
Output current 1 A (-25°C ... 55°C)
1.1 A (-25 °C ... 40 °C permanent)
1.8 A (maximum output current)
Derating 55 °C ... 70 °C (2.5%/K)
Connection in parallel Yes, for redundancy and increased capacity
Connection in series Yes
Control deviation < 1 % (change in load, static 10 % ... 90 %)
< 2 % (change in load, dynamic 10 % ... 90 %)
< 0.1 % (change in input voltage ±10 %)
Residual ripple
< 20 mV
PP
(20 MHz)
Peak switching voltages nominal load
< 10 mV
PP
(20 MHz)
Maximum power dissipation NO-Load < 0.4 W
Power loss nominal load max. < 2.8 W
General
Net weight 0.07 kg
Efficiency > 83 % (for 230 V AC and nominal values)
Insulation voltage input/output 4 kV AC (type test)
3.75 kV AC (routine test)
Protection class II (in closed control cabinet)