TP-5648 8/93 Wiring Diagrams 9-1
Section 9. Wiring Diagrams
Four-Lead Reconnectable
(Single-Phase) Generator Sets
Where Generator Output Can Be
Reconnected For 120/240 volt,
60 Hz; or 110/220 volt, 50 Hz
To illustratethe proper reconnectionof 4-leadgenerator
sets, the following information is provided. In all cases,
the National Electrical Code (NEC) should be followed.
NOTE
When a generator set is reconnected to a voltage
different than nameplate voltage, notice should be
placed on the unit indicating this change. A decal (part
no. 246242) is available for this purpose from an
authorized Kohler dealer/distributor.
120/240-volt (or 110/220-volt)
Configurations--Figure 9-1 (View A)
Circuitbreaker MUSTbe acircuit breakermanufacturer
two-pole circuit breaker. Two single-pole circuit
breakers do not conform to NEC requirements when
supplyinga 240-Volt(or220-Volt) load. Thisistrueeven
if they are mechanically attached together. Leads L1
and L2 are different phases and must never be
connected together.
4 3 2 1
Stator Leads
LO
GRD.
L2
L1
LO (Neutral)
Line
Side
Two-Pole
Circuit
Breaker
Ground
Load
Side
View A
120/240 volt, 3 wire
Figure 9-1. 120/240-volt (or 110/220-volt)
Configuration
60 Hz 50 Hz
L0-L1 120 volt 110 volt
L0-L2 120 volt 110 volt
L1-L2 240 volt 220 volt
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