ELS-1K4-CHR-V4
28VDC 40A
1120W RADIO POWER SUPPLY, BATTERY CHARGER and UPS
GENERAL INFORMATION
It is a 28V/40A 1120W power supply and battery charger specially designed for tracked and wheeled land vehicles. It works with 176-265 VAC input voltage. The rated output voltage is 28VDC, the output power is 1120W, it works with more than 90% efficiency at full load. It charges the battery groups it feeds with the principle of constant current and constant voltage.
It has electromagnetic compatibility in accordance with MIL-STD-461 standard.
It is produced with IP67 protection class and is compatible to work in environmental conditions according to the requirements of MIL-STD-810 standard.
Its weight is under 7kg.
TECHNICAL FEATURES
Input Features
Input Voltage Range |
176-265 VAC |
Input Frequency Range |
45-66 Hz |
Input Power Factor |
≥0,98 (220 VAC input voltage, full load) |
Input Current THD |
≤%7 |
Input Power Disspation without Load |
≤30 W |
Input Leakage Current |
<3,5 mA (due to IEC 60950 ) |
Output Features
Output Voltage (nom.) |
28,2±0,4 VDC |
Output Current (max.) |
40±2 A (Upto 75% between +55°C to 63°C operating temperature ) |
Output Power (nom.) |
1120 W |
Output Voltage Fluctuation |
100kHz band width <300 mVp-p |
Output Voltage Surge |
20 MHz band width <600 mVp-p |
Environmental Features
Operating Temperature |
−40°C ~ +60°C |
Storage Temperature |
−40°C ~ +85°C |
Humidity |
95% relative humidity at +40 °C |
Operation in Pressure |
4000m altitude |
Acoustic Noise |
<50 dB(A) |
Mechanical Features
Width |
150±1 mm |
Height |
103±1 mm |
Depth |
392±1 mm |
Cooling |
Built-in fan and finned top lid |
Weight |
5,5±0,2 kg |
Compliance to Standards
Compliance to Standards |
MIL-STD-810E-G |
| MIL-STD-1275E | |
| MIL-STD-461G |
Other Features
| Parallel connection and load sharing of up to 4 units |
| Input undervoltage and overvoltage protection |
| Input overcurrent protection |
| Battery reverse connection protection on output |
| Output undervoltage and overvoltage protection |
| Protection against overload and short circuit at the output (hiccup) |
| Output overcurrent protection (Max.: 10% more than rated current) |
| Preventing battery discharge when unit is off |
