Phoenix STEP3-PS/1AC/12DC/2.5/PT-power 1170953, primary switching power supply, STEP POWER, in-line connection, DIN rail or direct installation, input: 1 phase, output: 12V DC/2.5 A

AC operation
Power System Configuration star network (TN,TT,IT (PE))
Input Voltage Range 100V AC ... 240V AC -15 % ... +10%
National Grid Typical Voltage 120V AC
230V AC
Supply Voltage AC/DC
Impulse current Typical 35 A (25°C)
impulse current integral (I2t) Typical 0.38 A2s
frequency range (fN) 50Hz ... 60Hz ± 10%
grid buffer time Typical 20 ms (120V AC)
Typical 90 ms (230V AC)
power consumption 0.59 A (100V AC)
0.32 A (240V AC)
protection circuit transient surge protection; varistor
Suction time Typical 2 s
Device power fuse 1.25 A built-in (equipment protection) slow fuse
recommend use 6 A ... 16 A (characteristics B, C, D, K)
PE discharge current < 0.25 mA
DC operation
Input Voltage Range 110V DC ... 250V DC -20 % ... +10%
power consumption 0.31 A (110V DC)
0.13 A (250V DC)

efficiency > 87 % (120V AC)
> 88 % (230V AC)
Efficiency Level VI
Rated output voltage 12V DC
Rated output current (IN) 2.5 A
Short-circuit protection is
Anti-aircraft turn is
Attenuation > 50°C ... 70°C (2 % / K)
amplitude factor Typical 3.5
Typical 4.3
output power (PN) 30W
and connect , the use of diodes allows for increased power and increased redundancy
Concatenation No
feedback voltage resistance ≤ 25V DC
output < 25V DC
residual wave Typical 100 mVSS
control deviation <1% (static load change 10% ... 90%)
<4% (dynamic load change 10% ... 90%,(10Hz))
< 0.1 % (input voltage variation is ± 10 %)
rise time typical 100 ms (UOut= 10%... 90%)
minimum no-load power consumption < 0.1W (120V AC)
maximum no-load power consumption < 0.1W (230V AC)
minimum rated load power consumption < 4.3W (120V AC)
Maximum rated load power loss < 3.9W (230V AC)

Input
Location 1.x
connection technology
Position Identification 1.1, 1.2 (L), 1.3, 1.4 (N)
Wire Connection
Connection Mode in-line connection
Rigidity 0.2 mm² ... 2.5 mm²
1 mm² (recommend)
flexibility 0.2 mm² ... 2.5 mm²
1 mm² (recommend)
flexible strip cold press head without plastic sleeve 0.5 mm² ... 1.5 mm²
1 mm² (recommend)
flexible strip cold press head with plastic sleeve 0.2 mm² ... 1 mm²
1 mm² (recommend)
AWG 17
24 ... 14 (Cu)
stripping length 10 mm (rigid/flexible)
10 mm (cold press head)
Output
Location 2.x
connection technology
Position Identification 2.1, 2.2 (+), 2.3, 2.4 (-)
Wire Connection
Connection Mode in-line connection
Rigidity 0.2 mm² ... 2.5 mm²
1 mm² (recommend)
flexibility 0.2 mm² ... 2.5 mm²
1 mm² (recommend)
flexible strip cold press head without plastic sleeve 0.5 mm² ... 1.5 mm²
1 mm² (recommend)

Phoenix STEP3-PS/1AC/12DC/2.5/PT-Power 1170953

Created on:2025-07-22 09:03

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