Bộ nguồn Phoenix Contact: STEP3-PS/1AC/24DC/3.75/PT/LED

Input data

AC operation
Network type	Star network
Input voltage range	100 V AC ... 240 V AC -15 % ... +10 %
Derating	< 100 V AC ... 85 V AC (1 %/V)
Typical national grid voltage	120 V AC
Typical national grid voltage	230 V AC
Voltage type of supply voltage	AC/DC
Inrush current	typ. 30 A (25 °C)
Inrush current integral (I2t)	typ. 0.35 A2s
Frequency range (fN)	50 Hz ... 60 Hz ±10 %
Mains buffering time	typ. 25 ms (120 V AC)
Mains buffering time	typ. 25 ms (230 V AC)
Current consumption	1 A (100 V AC)
Current consumption	0.45 A (240 V AC)
Protective circuit	Transient surge protection; Varistor
Switch-on time	typ. 2 s
Device mains fuse	4 A internal (device protection), slow-blow
Recommended breaker for input protection	6 A ... 16 A (Characteristics B, C, D, K)
Discharge current to PE	< 0.25 mA
DC operation
Input voltage range	110 V DC ... 250 V DC -20 % ... +10 %
Derating	< 110 V DC ... 88 V DC (1 %/V)
Current consumption	0.88 A (110 V DC)
Current consumption	0.38 A (250 V DC)

Output data

Efficiency	> 92.5 % (120 V AC)
Efficiency	> 94 % (230 V AC)
Nominal output voltage	24 V DC
Nominal output current (IN)	3.75 A
Short-circuit-proof	yes
No-load proof	yes
Derating	> 50 °C ... 70 °C (2 % / K)
Crest factor	typ. 1.78
Crest factor	typ. 1.87
Output power (PN)	90 W
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
Residual ripple	typ. 100 mVPP
Control deviation	< 0.5 % (Static load change 10 % ... 90 %)
	< 3 % (Dynamic load change 10 % ... 90 %, (10 Hz))
	< 0.1 % (change in input voltage ±10 %)
Rise time	typ. 100 ms (UOut = 10 % ... 90 %)
Minimum no-load power dissipation	< 0.21 W (120 V AC)
Maximum no-load power dissipation	< 0.21 W (230 V AC)
Minimum nominal load power dissipation	< 7 W (120 V AC)
Power loss nominal load max.	< 5.7 W (230 V AC)

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