DCC Dual Relay. Connects to an NCE Switch-It or Switch8 accessory decoder to provide two SPDT or one DPDT replay output for switching up to 2 amps of power. NCE warranty.
Use to:
- Control polarity of "dead frog" turnouts
- Control automatic reverse loop
- Turn track power on/off in staging yards, sidings or elsewhere
- Provide isolated turnout position information to signaling or computer control systems