Industrial Grade Static AC Voltage Stabilizers

“300 – 400 – 500 kVA” “400 Vac / 50-60 Hz” Three-Phase Input & Output

These high reliability, high efficiency Static Voltage

ELSIS Co. Inc. established in 1971 is a “ISO-9001:2000” certified company by accredited Dutch Certification Company “KEMA” since 1999.

Main Technical Spacifications of “28 Vdc - 120 A” Charger:

Brand / ModelELSIS; “MIL-3K3-CHR”
ManufacturerELSIS A.S.
Input Voltage Range176 – 264 Vac
Input Power Factor0,99
Input Current THDLess than 5%
EMI Reflection to InputMIL-STD-461E, CE101, CE102, RE101, RE102
Input ProtectionThermal/Magnetic circuit breaker and electronic turn off at input voltages beyond allowed limits
Output Voltage28 Vdc; with battery temperature compensation and stability of “+/-1%”
Nominal Output Power3300 W
Output Voltage RippleUp to 10 Mhz band, less than 200 mV
Output Current LimitFully electronic at 10% above nominal current
Output Protection* Fully electronic against over-load and continuous
   short-circuit conditions.
* Fuse protection against reverse connection of battery
* Prevention of battery discharge when charger is off
Output Transient ProtectionMIL-STD-1275A
EfficiencyBetter than 85% (from 50% to 100% load, under nominal conditions)
Electromagnetic CompatibilityMIL-STD-461E, CE101, CE102, RE101, RE102
Duration of OperationContinuous, 24 hours a day, 7 days a week
Weight13 kg (apprx. 22 lb)
Package TypeMounted by 4x “M5” captive screws on the front panel and fixed by 2x “M5” screws at the rear angle bracket
CoolingForced air cooled by internal axial fan, blowing air from front to back
Mechanical  UnitsMetric (can be modified to customer request)
DimensionsW: 209 mm; H: 173 mm; D: 335 mm
Front Panel Controls, Indicators and Rear Panel Connections*  “Turn-On” switch, “Line and Fault” LED’s on the  
    front panel
*  “MS-3102” circular connectors for “In-Put”,
    “Control”, “Out-Put” and “Temp. Comp.” connections
Operation Ambient TemperatureFrom –32o C to +55o C
Storage TemperatureFrom -40o C to +80o C
Salt and MistMIL-STD-810E Method 509.3, 48 hours mist and 48 hours dry time
Mechanical ChokeMIL-STD-810E
VibrationMIL-STD-810E, Category 8, Military Land Vehicle
Acoustical NoiseLess than 50 dB(A)
Operation Altitude2000 m; above 2000 m according to degradation curve)
Relative HumidityUp to 90% (without condensation)
Parallel OperationParallel and load sharing operation of up to 4 units