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B11 Speed sensor MPU (O)
F1-F6 Fuses 4 A
G3 Alternator
K7 Auxiliary relay for Y7 (O)
K11 Auxiliary relay select 230 Vzz (LV)
K12 Auxiliary relay select 400 Vy (HV)
N11 Speed controller (O)
N12 Automatic voltage regulator
N13 Earth leakage relay
Q1.1 Circuit breaker 230 Vzz (LV)
Q1.2 Circuit breaker 400 Vy (HV)
R5 Coolant heater (O)
R11 Speed adjustment 5K (O)
R12 Voltage adjustment 1K (O)
S2b Emergency stop
(S2a: see Engine circuit)
S10 Voltage selector switch
S13 E.L.R. disable switch (O)
T1-T3 Current transformers
T13 Torus earth leakage (O)
U1 Battery charger (O)
V7 Free-wheeling diode Y7
X1 Terminal board
X9 Terminal strip
Y7 Air inlet shutdown valve (O)
(O) Optional equipment