NCE 5240205 BD20 Block Detection Unit

The BD20 detects DCC current being drawn in a block. Connects to AIU01 or Mini Panel
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)

Click here for the manual from NCE Information Station