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Technical Data
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Input data:
– Nominal input voltage range: 100...240 V AC;
– Input voltage range: 85...264 V AC, 90...350 V DC;
– Short-term input voltage: 300 V AC;
– Frequency range: 45...65 Hz (0 Hz at DC input);
– Current consumption: approx. 5.1 A (120 V AC) and 2.3 A (230 V AC);
– Inrush current limitation < 20 A (typical);
– Power failure bypass: > 20 ms (for 120 V AC) and > 20 ms (for 230 V AC);
– Typical response time: < 0.5 s;
– Protective circuit: transient surge protection varistor;
– Input fuse, integrated: 12 A (slow-blow, internal);
– Recommended backup fuse: circuit breaker 10 A or 16 A (characteristic B);
– Discharge current to PE: < 3.5 mA;
– Stripping length: 7 mm.
•
Output data:
– Nominal output voltage: 24 V DC ±1%;
– Setting range for the output voltage: 18...29.5 V DC (>24 V constant capacity);
– Output current: 20 A (-25...+70 ºC), 26 A (with POWER BOOST, < 40 ºC
permanent), 120 A (with SFB technology, 12 ms);
– Derating: from +60 ºC 2.5% per Kelvin;
– Control deviation: < 1% (change in load, static 10% ... 90%), < 2% (change in
load, dynamic 10% ... 90%), < 0.1% (change in input voltage ±10%);
– Power loss nominal load max: 46 W;
– Maximum power dissipation idling: 10 W;
– Efficiency: > 93 % (for 230 V AC and nominal values);
– Ascent time: < 0.5 ms;
– Residual ripple: < 80 mVpp (with nominal values);
– Connection in parallel: yes, for redundancy and increased capacity;
– Connection in series: yes;
– Surge protection against internal surge voltages: yes, limited to approx. 35 V DC;
– Resistance to reverse feed: max. 35 V DC;
– Stripping length: 7 mm.
•
Signal output DC OK active:
– Output description: Uout > 0.9 x Un: high signal;
– Voltage: + 24 V DC;
– Current:
1 A (short circuit resistant);
– Status display: “DC OK” LED green/Uout < 0.9 x Un: LED flashing.
NS 4000 Hardware Components
Chapter 3. Technical Specification
137
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