Description
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Application:
Marelli Generator Alternator
Interchange part number:
M40FA640A
Description:
Automatic Voltage Regulator
Condition:Replacement New
TECHNICAL SPECIFICATION
Power supply voltage · ±10% of range tolerance, 50/60Hz 170÷277 V
Voltage sensing (single- or 3-phase) · ±10% of range tolerance, 50/60Hz 170÷480 V
Current sensing (1 phase) · 50/60Hz 0÷1 A
Maximum continuative field current 8 A
Maximum forcing field current · 1 minute forcing 15 A
Maximum field voltage 100 V
Field resistance 3.5 W ÷ 20 W
Regulation accuracy
· No-load to full-load
· Balanced and non-deforming load
· Constant frequency ±0.5 %
±1 % · With ±4% engine governing (steady
state conditions for load and speed) ±1 %
Thermal Drift · For 50°C change from T amb, after 10 minutes) ±0.5 %
Response time 1 cycle
Operating temperature -30°C / +70°C
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