Common Fault/Failure (32A) Relay - Kohler APM402 Operation

6.1.3

Common Fault/Failure (32A) Relay

The common fault relay is standard on the controller circuit board and located at the TB2 terminal strip connections. Contacts
are rated at 2 amps at 32 VDC or 0.5 amps at 120 VAC max. See Figure 62 and Figure 63.
The optional common fault relay shown in Figure 63 as DCB2 has contacts rated at 10 amps at 28 VDC or 120 VAC and can be
connected to user-supplied accessories.
The optional common fault relay shown in Figure 63 as DCB1 has contacts rated at 10 amps at 28 VDC or 120 VAC and is used
to trigger the shunt-trip line circuit breaker kit (mentioned later in this section).
Figure 62 Common Fault Relay Wiring (Standard)
Figure 63 Common Fault Relay Kit and Shunt-Trip Relay Kit Wiring
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APM402 / DEC 3000 Controller
TP-6694 9/20