Military Grade DC / AC "Stand-By" Inverter

19” Rack , Pure Sine-Wave “24 Vdc” Input “115 Vac / 60 Hz” Output

Especially suitable for “NAVAL” use, with “IP-20” protection class, salt spray protection. Made to comply with stringent Military Specifications especially MIL-STD 1399 300A, MIL-STD 461E EMI/RFI and Electrical Transients. Unit is convection cooled.

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

Main Technical Specifications of “28 Vdc / 115 Vac - 60 Hz” Inverter:

Brand / ModelELSİS; “ELS-0K4-INV”
ManufacturerELSİS A.S.
Output Power500 VA / 400 W (under linear load)
Input Voltage Range18 – 33 Vdc
Ripple Reflected to InputLess than 200 mV rms
DC Input CompatibilityMIL-STD-1275B
Noise Reflected to InputLess than 500 mV (pp) under full load
No-Load Power DissipationLess than 35 W
Input ProtectionElectronic shut-off when input voltage is out of operation range and effective fuse protection against reverse battery connection
Output Voltage Stability115 Vac; +/-1% (can be tailored to customer request)
Output Frequency and Stability60 Hz; +/-0,5% (can be tailored to customer request)
Output Power Factor0,8
Output Wave FormSinusoidal
Output THDBetter than 3%
Crest FactorHigher than 3:1
Allowable Over-LoadUp to 750 VA, for 2 seconds
DC Content On OutputLess than 100 mV
Output Protection and Current LimitingFull and continuous electronic protection against over-load and short-circuit (current limiting without distorting the output wave form); in addition Thermal-Magnetic circuit-breaker
EfficiencyAbove 80% under 50% to 100% linear load
Electromagnetic CompatibilityMIL-STD-461F, CE101, CE102, RE101, RE102, CS101, CS106, CS114, CS115,CS116, RS101, RS103
Static “By-Pass”Normally load is on external source when voltage is within allowed limits; otherwise automatically transferred to Inverter output
Duration of OperationContinuous, 24 hours a day, 7 days a week
Weight11 kg (apprx. 20 lb)
CoolingNatural convection cooling
Mechanical UnitsMetric (can be modified to customer request)
DimensionsW: 430 mm; H: 80 mm; D: 365 mm
Front Panel Controls, Indicators and Rear Panel ConnectionsSeparate T/M Switches for AC and DC Inputs; similar switch for AC Output, “LED” indicators on the front; “MS-3102” circular connectors and passive fuse on the rear panel
Operation Ambient TemperatureBetween -32o C and +55o C
Storage Ambient TemperatureBetween –40o C and +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)