BD20 Block Detector
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)
Made In: United States
Product Condition: New
Product Type: Model Train > model train control > DCC Accessories
