Westerbeke BTG-9KW Operator's Manual page 11

Marine gasoline generator set
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ELECTRICAL SYSTEM
Starting Battery
(recommended)
Starter
DC No-load current
DC Cranking Current
(eng ine cold)
DC Charging Alternator
IGNITION SYSTEM
General
AC GENERATOR
General
Voltage
Rating
60 Hertz (1800 rpm)
50 Hertz (1500 rpm)
Generator Cooling Air
Requirements (60 Hertz),
at 1800 rpm
l2-Volt, 30 A-H
(45 A-H cold areas)
l2-Volt, 1.2 kW, reduction type,
solenoid-mounted
90 Amp (max.) at 11.5 Volts and
175 Amp
35-Amp belt-driven, with internal
regulator and without isolation
diodes
Battery ignition, 12 Volts, negative
ground, distributor with points,
ignition coil and spark plugs
Brushless, four-pole, revolving
field, single-bearing design,
reconnectable, single-phase trans-
former regulation (optional solid-
state voltage regulation)
120 or 120/240 Volts-60 Hertz
110 or 110/220 Volts-50 Hertz
voltage regulation: + 5% no load to
full load
-
frequency regulation: +3 Hertz
(5%)
no load to full load
120 Volts
120/240 Volts
110 Volts
110/220 Volts
75 Amps
75/37.5 Amps
58 Amps
58/29 Amps
225-250 cfm (6.37 - 7.08 cmm)
NOTE:
Increase air supply 15% for 50-Hertz operation (1500 rpm)
5

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