Military Grade Rectifier / Charger

“-Universal (85-265Vac)” INPUT &“28 Vdc / 20 A” OUTPUT >br<>br< Especially suitable for “Mobile”, “Field” and “Stationary” use. Made to comply with stringent Military Specifications for Choke, Vibration, Temperature, Submersion (IP-67), EMI/RFI and Electrical Transients

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

Main Technical Specifications of “28 Vdc - 20 A” Charger / Rectifiers:

Brand / ModelELSIS; “ELS-0K7-CHR-V1”
ManufacturerELSIS A.S.
Input Voltage Range85 – 265 Vac (Can be tailored to customer request)
Input Power Factor>0,98 from half load to full load
Input Current THDLess than 5%
EMI Reflection to InputMIL-STD-461E, CE101, CE102
Input Circuit BreakerSealed, T/M, DPST Toggle
Output Voltage28 Vdc; one charge output with battery temperature compensation and two supply outputs with “+/-1%” stability
Max. Continuous Output Power560 W
Output RippleUp to10 Mhz band, less than 200 mV
Output Current LimitFully electronic with 20% fold-back when 100% is exceeded
Output Protection* Sealed, Thermal-Hydraulic, DPST toggle switch
* Electronic short-circuit protection for unlimited time
* Protection against reverse connection of battery (fuse)
* Prevention of battery discharge when charger is off
Output Transient ProtectionMIL-STD-1275A
EfficiencyBetter than 83% (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
Weight11 kg (apprx. 25 lb)
Package TypeBottom screw mount, using metric “M6” screws
CoolingNatural convection
Mechanical UnitsMetric (can be modified to customer request)
DimensionsW: 342 mm; H: 175 mm; D: 345 mm
Operation Modes*   “Charge” mode
*   “Supply” mode
Selected on the front panel by screw-driver operated, sealed “Rotary Switch”
Front Panel Controls, Indicators and ConnectionsInput and Output Sealed Circuit Breakers (T/H),
“MS-38999” type circular connectors for AC In-Put, DC Out-Puts, LED’s for Charging, Full and Fault Indications
Operation TemperatureFrom –32o C to +63o C (with 10% degradation
Storage TemperatureFrom –40o C to +85o C
Salt and MistMIL-STD-810E Method 509.3, 48 hours mist and 48 hours dry time
Mechanical ChokeMIL-STD-810F
VibrationMIL-STD-810F, Category-24 Procedure I Annex A 2.4.1
Acoustical NoiseLess than 45 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