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B11 Speed sensor MPU (O)
F1-F3 Fuses 4 A
G3 Alternator
N11 Speed controller (O)
N12 Automatic voltage regulator
N13 Earth leakage relay (O)
N14 IT relay
Q1.1 Circuit breaker 230Vd (lower voltage)
Q1.2 Circuit breaker 400Vy (higher voltage)
R5 Coolant heater (O)
R11 Speed adjustment 5K (O)
R12 Voltage adjustment 1K (O)
S2b Emergency stop
(S2a: see Engine circuit)
S10a-d Voltage selector switch
S13 E.L.R. disable switch (O)
T3 Current transformers
T13 Torus earth leakage (O)
U1 Battery charger (O)
V7 Free-wheeling diode Y7
X1 Terminal board
X9 Terminal strip
X11 Connector
(O) Optional equipment