NCE 524205 (BD20) Block Detector

Model Train Stuff Verified independent store

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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 trackNe eds no external power for most operationsSuitable for DCC power up to 20 AmpsCan light up LED or operate relay with external DC power (5-12 Volts)Colors may vary Show more