https://www.phoenixcontact.com/pi/products/2866404
08/20/2018Page2/6
Power supply unit-TRIO-PS/3AC/24DC/40-2866404
Technical data
Ambient conditions
Max. permissible relative humidity (operation) 95 % (at 25 °C, non-condensing)
Climatic class 3K3 (in acc. with EN 60721)
Degree of pollution 2
Input data
Nominal input voltage range 3x 400 V AC ... 500 V AC
Input voltage range 3x 320 V AC ... 575 V AC
2x 360 V AC ... 575 V AC (for 2-phase operation)
AC frequency range 45 Hz ... 65 Hz
Discharge current to PE < 3.5 mA
Current consumption 3x 2 A (400 V AC)
3x 1.6 A (480 V AC)
Nominal power consumption 1387 VA
Inrush surge current < 20 A
Mains buffering > 16 ms (400 V AC)
> 20 ms (480 V AC)
Choice of suitable circuit breakers 6 A ... 16 A (Characteristics B, C, D, K)
Power factor (cos phi) 0.76
Type of protection Transient surge protection
Protective circuit/component Varistor
Output data
Nominal output voltage 24 V DC ±1%
Setting range of the output voltage (U
Set
)
22.5 V DC ... 29.5 V DC (> 24 VDC, constant capacity restricted)
Nominal output current (I
N
)
40 A (-25°C ... 55°C)
Derating 55 °C ... 70 °C (2.5%/K)
Connection in parallel Yes, for redundancy and increased capacity
Connection in series yes
Feedback resistance 35 V DC
Protection against surge voltage on the output Yes, < 35 V DC
Max. capacitive load Unlimited
Active current limitation Approx. 48 A
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
Output power 960 W
Typical response time < 1 s
Peak switching voltages nominal load
< 40 mV
PP
Maximum power dissipation in no-load condition 16 W
Power loss nominal load max. 91 W
