Dual Relay connects to a Switch-it or Switch 8 decoder to provide two SPST or one DPDT relay output for switch up to 2 amps of power.
Typical uses:
Control polarity of dead frogs Automatic reverse loop control Turn staging yard tracks on on/off Provide isolated turnout position information to signaling ; Computer control using AIU-01
Note: The markings for Positive [+] and negative [-] are reversed as is the markings for the normally open [n.o.] and normally closed [n.c.] .
This is a factory error in the printing and has no effect on the operation.
