Monitors trains entering and leaving a protected section for accurate signal control
Automatically sets entry signal to danger red and isolates section to prevent collisions
Communicates with preceding sections to display correct yellow and double yellow aspects
Supports 2, 3, and 4 aspect LED signals with common cathode wiring
Forces signals to danger when points are不利 for trains, enhancing safety
Summarized by Shop
The BLOCKsignalling SEC1A-DC is an automatic DC model railway section controller for common-cathode LED signals, designed to protect a section of track and prevent more than one train entering the section at the same time.
Using two infra-red sensors, the SEC1A-DC detects a train entering and leaving the protected section. When a train e
Power Supply
12V DC
Supported Signal Aspects
2, 3, 4
Compatible Gauges
Z, N, TT, HO, OO
Supports Bidirectional Running
Yes (2 aspect at each end)
Includes
Additional station stop modes, Dapol output, remembers section occupancy