Product Manual B

3. Wiring5-2019
190962-0617 (Issue 8) Copyright © 2019 Cummins Inc.
No. Description No. Description
1 GND 5 Remote test
2 2 6 Retransfer inhibit
3 B+ 7 Common
4 RMT 8 Transfer inhibit
FIGURE 10. TB2 CONNECTIONS
3.2.3 Auxiliary Contacts
Auxiliary contacts, used for external alarm or control circuitry, are available for the Source 1 (Normal) and
Source 2 (Emergency) sides of the transfer switch. Connections for the auxiliary contacts can be made on
terminal block TB1. The contacts have ratings of 10 amperes at 250 VAC. The contacts are shown with
the transfer switch in the neutral position. Moving the transfer switch to Normal or Emergency actuates the
corresponding auxiliary contacts and they change state.
NOTICE
TB1 and TB2 will accept 22 AWG - 12 AWG wire with 3/8 inch (10 mm) strip. Torque to 9 in-lbs.