NCE BD20 Block Detector Module REC_SES_103 One worker rests while another

One worker rests while another sits on the crate eating a sandwich

The transistor outputs of the Extension module are meant for illuminating track sections

even on curved and uneven track

Retaining clamps for fixing the containers in place are included

NCE BD20 Block Detector Module REC_SES_103 One worker rests while anotherDetects DCC track current being drawn through a single track feeder. Isolated so there is no direct electrical connection to the track. Needs no external power for most operations. Can be connected to the NCE AIU01 or Mini Panel. Can an light up LED or operate a relay when used with external DC power (5 12 Volts). Suitable for DCC track power up to 20 Amps.