Product Manual
Table Of Contents
3. Installation 7-2019
18 A052S254 (Issue 3)Copyright © 2019 Cummins Inc.
No. Description No. Description
1 Control Relay (K1) 3 TB4
2 Utility Sense Relay (K2)
FIGURE 6. CONTROL WIRING CONNECTIONS
3.3.2.2 Connecting the Transfer Switch to the Generator Set
WARNING
AC voltages and currents present an electrical shock hazard that can cause severe personal
injury or death. Disconnect the AC power source.
Make sure the generator set is not running and cannot be started. Disconnect the batteries and open the
generator set mounted circuit breaker. Lock out the circuit breaker if it is equipped with a lockout feature.
Consult the generator set manual for interconnection requirements. Consult the generator set manual and
the transfer switch interconnect diagram at the back of this manual for required electrical connections to
the generator set control.
TABLE 6. MAXIMUM WIRE LENGTH BY WIRE SIZE
Wire Size (AWG) Distance in Feet (One Way)
18 100
16 200
14 300