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Technical Specifications |
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INPUT |
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Voltage |
43.2V - 57.6V DC. |
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Current No Load |
1A typical at 48V. |
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Current Maximum Load |
30A typical at 48V. |
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Protections |
Input under voltage, over voltage turns off the unit, builds up automatically if recovered from abnormal condition.
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OUTPUT |
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Voltage |
24V DC (23V-28V settable by front panel potentiometer) 50 Amps max. |
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Output Characteristic |
CV, CC. |
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Load Regulation |
±1% +Diode drop. |
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Line Regulation |
±1%. |
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Ripple |
<200mV p-p. |
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Efficiency |
Better than 82%. |
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Recovery Time |
1ms typical. |
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Over Voltage Protection OVP |
Electronic turn-off-reset through On/Off/Reset switch. Adjustable on front panel 24-33 (fixed 30V). |
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Redundant Operation |
Possible through built in D-diode. |
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Over Temp. Protection OTP |
Electronic turn off-reset through front panel On/Off/ Reset switch. |
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Parallel Operation |
Possible, unlimited. |
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Operation in Series Description of Signalling |
Possible with option U (cross diode). |
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Indicators and Controls |
a) LED Green = Normal operation.
b) LED Red = Over voltage.
c) LED Red = Over temperature.
d) On / Off / Reset switch = On & Off as well as Over Temp., over voltage reset.
e) Potentiometer = Output voltage adjustment.
f) Potentiometer = Over voltage protection adjustment.
g) Analog meters for output voltage and current measurement (optional). |
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Alarms |
Output falls below 85% of nominal voltage alarm by potential-free change-over contact-loadable with 220V/1A/40W.
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GENERAL DATA |
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Operation Temperature |
-10°C to +60°C. |
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Derating |
2.5% / °C above +40°C. |
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Storage Temperature |
-20°C to +70°C. |
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Humidity |
90% without condensation. |
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Cooling |
By temperature controlled DC fan suction through front panel exhaust on the back. |
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Switching Frequency |
>60KHz. |
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Electrical Compliance |
VDE 0160/VDE 0804/VDE 0805 protection class 1. |
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Isolation |
Input/Output to Earth – 1400V DC. |
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Mechanical Construction |
19” sub unit = 4 unit high, 405 mm deep. |
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Connectors |
Brass terminals for Input/Output connection. 6 way terminal for sense, current share bus and alarm contact. |
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Weight |
Approx. 7 Kg. |
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Input Over Voltage |
The unit trips and automatically recovers under healthy input condition. |
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Input Under Voltage |
The unit trips and automatically recovers under healthy input condition. |
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Input Reverse Polarity |
Diode fuse combination. |
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Inrush Current |
NTC provided in series path of input. |
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Output Short Circuit |
Hiccup type characteristics. |
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Overload |
CC type. |
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Output Over Voltage |
Unit trips/can be reset manually thru’ reset switch provided on the front panel. |
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Ability to Hot swap of Power Module. |
