Mark X

ModelMark X
Frame size500 ÷ 560
TechnologyANALOGUE
RegulatorMark X
Part numberM40FA644A
ComplianceCE
  • Main Data
  • Electrical characteristics
  • Features
  • Dimensions and weight

Main Data

Generator frame sizeOn request
630÷800
AVR supplyPMG
Voltage sensingThree phase
Voltage remote controlArrangement
Radio interference supressorInternal
MARK XM40FA644A
Over-exitation deviceArrangement for varicomp
Parallel operation with the mainsArrangement for device
Parallel operation with similar generatorsArrangement
Standard protectionsOver-excitation
LimitersUnder-frequency
FunctionAuxiliary inputs

Electrical characteristics

Power supply voltage170 ÷ 277 Vac @ 100/120 Hz
Power supply sourcePMG
Voltage build-up5 Vac
Voltage sensing type1-phase / 3-phase
Voltage sensing range170 ÷ 480 Vac
Current sensing type1-phase
Current sensing range1 A
Maximum continuative field current0 ÷ 8 Adc
Maximum forcing field current0 ÷ 15 Adc
Maximum field voltage100 Vdc
Field resistance3 Ω ÷ 20 Ω
Regulation accuracy from no load to full load±0.5 %
Steady state accuracy±0.1 %
Accuracy with ±4% engine governing±1 %
Thermal Drift±0.5 %
Response time1 cycle
Operating temperature-30°C ÷ +70°C
Storage temperature-40°C ÷ +80°C

Features

InterfacePotentiometers, dip-switches
FunctionDroop compensation
ProtectionUnder-frequency limiter
Over-excitation limiter
Internal fuse, replaceable
ControlExternal potentiometer, 100 kΩ- 1 W
External DC voltage signal (-3/+3 V) 

Dimensions and weight

L180mm
B170mm
K160mm
J150mm
H41mm
D6.5mm
Weight670g
Drawing