Digitrax PM74 Power Management Module — Short Protection & District Control

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4 Power Manager sub-districts. Upgraded replacement for PM42, fully encased. Fully connectorized installation. Each Power sub-district / Detection Section (DS) supports Auto-revers e or Short circuit management. Each DS supports Occupancy detection. Each DS supports Transponding detection. Allows Mainline CV Read/Write program of compatible decoders. Remote LED status support. Series7 style advanced installation support using DT602. Replaces PM42 Quad Power Manager. Show more