The NCE/BD20 Block Detector Module is an essential accessory that detects DCC current in a block, ranging from 0.01 to 20 Amps. With part number 05240205 and UPC 816757010632, it can connect to AIU01 or Mini Panel. It's isolated, meaning no electrical connection to the track. Most operations don't need external power. Suitable for DCC power up to 20 Amps, it can light up an LED or operate a relay with 5 - 12 Volts of external DC power.

Using the NCE/BD20 Block Detector Module is easy. First, connect it to your AIU01 or Mini Panel. It will then start detecting the DCC current in the block automatically. You don't need to provide external power for most operations, but if you want to light up an LED or operate a relay, connect a 5 - 12 Volts external DC power source. Remember, it's isolated from the track, so there's no electrical connection to worry about. When it comes to maintenance, keep it in a dry and clean place. Check the connections regularly to make sure they are secure. If you notice any issues, such as it not detecting the current properly, check the power source and connections first.