Primary switched mode power supply, three-phase

PVSB 400/24-20B - Discontinued types - not for new designs




 Output current and output voltage monitoring

 RS-232 interface

 Stabilised and adjustable output voltage

 Up to 200 % Real Power Boost for 4 seconds

 Top Boost to trip conventional circuit breakers

 3 LEDs and active signal outputs to indicate operating status

 Parallel connection option

 Service-friendly spring-loaded connector system

 With active inrush current limiter

Product Primary switched mode power supply, three-phase
Order number PVSB 400/24-20B
Rated input voltage 400 Vac to 500 Vac
Input voltage range 340 Vac to 550 Vac
Input voltage range 480 Vdc to 780 Vdc
Rated input current (rated load) (400Vac) 1.10 A
Internal input fuse 2.5 AT
Rated frequency range AC 44 Hz to 66 Hz
Rated frequency range DC 0 Hz
Inrush current limitation NTC < 2.2 A
Recommended preliminary fuse 6A, 10A, 16A, B/C-Char.
Mains failure bridging (rated load) (400Vac) 13.2 ms
Mains failure bridging (rated load) (500Vac) 36.8 ms
Power 480 W
Rated output voltage 24 Vdc
Rated Output Current 20 A
Output voltage range 22.8 Vdc to 28.8 Vdc
Output Current Limitation (Constant Current) typ. 22 A
Ripple (rated load) typ. 70 mVss
Power boost 40 A / 4 s (30 A / 8 s)
Top boost 80 A / 50 ms
Power factor 0.63
Max. power loss 34.1 W
Max. feedback resistance 35 Vdc
Verlustleistung Leerlauf (400Vac) 8.30 W
Verlustleistung Nennlast (400Vac) 34.10 W
Efficiency 92.9 %
Überspannungsschutz des Ausgangs 34.0 Vdc
Parallel connection possible Yes
Series connection possible Ja
Status display Green, yellow, red LED
Communication RS-232 interface
Ambient temperature -25 °C to 70 °C / -13 °F to 158 °F
Storage Temperature -25 °C to 85 °C / -13 °F to 185 °F
Humidity without condensation 5 % to 96 %
Cooling type natural convection
Required minimum distance (side) 10 mm
Required minimum distance (top/bottom) 40 mm
Protection and Safety
Degree of pollution 2
Protection class according to EN 61140 I
Size and Weight
Width 77 mm / 3.03 in
Height 127 mm / 5 in
Depth 175.5 mm / 6.91 in
Weight 1.66 kg / 3.66 lbs

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