This is a backordered item

1.40″ x .80″ x .875″Detects DCC current being drawn in a block. Connects to AIU01 or most commercial signal systems.

Isolated so that there is no electrical connection to the track

Needs no external power for most operations

Suitable for DCC power up to 20 Amps

Can light up LED or operate relay with external DC power (5-12 Volts)

Colors may vary