Circuitron 800-5520 SD-2 3-Position Semaphore Driver
SKU: CIR-800-5520
$23.99
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$5.96
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- Availability: Usually Ships in 1 to 2 Business Days
- Current Stock: 3
- Weight: 0.13 LBS
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Use with the Tortoise Switch Machine and an upper or lower quadrant semaphore-style signal. Includes all the logic circuitry to drive the signal to all three positions. Works with BD-1 or BD-2 Block Occupancy Detectors. A minimum of two blocks must have detectors installed for the SD02 to indicate all three positions. All scales
Requires 10-18V DC power