Bộ nguồn Phoenix Contact: STEP-PS/48AC/24DC/0.5

Input data

AC operation
Nominal input voltage range	48 V AC
Input voltage range	43 V AC ... 52 V AC
Input voltage range	60 V DC ... 80 V DC
Input voltage range AC	43 V AC ... 52 V AC
Input voltage range DC	60 V DC ... 80 V DC
Voltage type of supply voltage	AC/DC
Inrush current	< 10 A (typical)
Inrush current integral (I2t)	< 0.1 A2s
AC frequency range	45 Hz ... 65 Hz
Frequency range DC	0 Hz
Mains buffering time	typ. 15 ms (48 V AC)
Mains buffering time	typ. 20 ms (52 V AC)
Current consumption	0.5 A (43 V AC)
Current consumption	0.45 A (48 V AC)
Nominal power consumption	21 VA
Power factor (cos phi)	0.7
Typical response time	< 0.5 s
Input fuse	1.25 A (slow-blow, internal)
Recommended breaker for input protection	6 A ... 16 A (Characteristics B, C, D, K)

Output data

Efficiency	> 81 % (for 48 V AC and nominal values)
Output characteristic	U/I
Nominal output voltage	24 V DC ±1 %
Output current Imax	1 A
Nominal output current (IN)	0.5 A (-25 °C ... 55 °C)
Nominal output current (IN)	0.55 A (-25 °C ... 40 °C permanent)
Derating	55 °C ... 70 °C (2.5%/K)
Feedback voltage resistance	≤ 35 V DC
Protection against overvoltage at the output (OVP)	< 35 V DC
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	< 30 mVPP (20 MHz)
Output power	12 W
Peak switching voltages nominal load	< 20 mVPP (20 MHz)
Maximum no-load power dissipation	< 0.3 W
Power loss nominal load max.	< 3.4 W
Connection in parallel	yes, for redundancy and increased capacity
Connection in series	yes

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