Operator`s manual
7.6 
KW 
BTD 
SYSTEM 
SPECIFICATIONS (continued) 
ELECTRICAL 
SYSTEM 
Starting Battery 
Battery Capacity 
Starter 
DC No-Load Current 
DC Cranking Current 
DC Alternator 
ACGENERATOR 
General - Single Phase 
Voltage - Single Phase 
Rating (Volts AC) 
60 Hertz 1800 RPM 
7.6KW 
50 Hertz 1500 RPM 
AC Circuit Breaker 
Generator Electrical 
End 
Cooling 
Air Requirements (60 Hertz at 
1800 RPM) 
12-volt, ( - ) negative ground 
350-400 Cold Cranking Amps 
12-volt,  1.2 KW, Reduction type, solenoid 
mounted. 
90 Amp (max) at 11.5 volts 
175 -
200 Amps (engine cold) 
12 
Volt, 
DC 
- 40 amps 
Brushless, four -pole, revolving field, transformer 
regulation.  Prelubricated, single bearing design. 
Reconnectable 120 volts or 
1201240  volts, single 
phase. 
120 or 
1201240 volts - 60 Hertz; 220 volts - 50 
Hertz.  Voltage regulation: ± 5 % no load to full 
load.  Frequency regulation:± 3 Hertz no load 
to 
full load. 
120 volts 
120/240 volts 
220 volts 
63.3 Amps 
63.3/31.6 Amps 
26 Amps 
To 
be 
rated at 120% 
of 
the generator's rated 
amperage and voltage output 
175 
- 200 cfm (4.95 - 5.66 cmm) 
NOTE: 
Increase 
air 
supply 
15% 
for 
50 
hertz 
operation (1500 
rpm) 
Engine Block 
100 cfm or more to remove heat produced by the 
engine block during 
operation 
11 
WESTERBEKE 
GENERATORS 










