The Circuitron DL-1 is an electronic lighting accessory for model railroaders who want alternating ditch lights on locomotive projects and railroad layouts. It uses two 1.7 mm diameter, high-intensity lens-end lamps that flash alternately at a slow rate.
DL-1 Features
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Product type: Oscillating ditch-light circuit and lamp accessory
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Scale: N scale and HO scale layouts
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Compatibility: Requires a 2.4–3.0-volt DC input, supplied by batteries or Circuitron TP-2 and TP-3 Track Power Adapters
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Lighting: Two 1.7 mm high-intensity lens-end lamps alternate at a slow rate
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Board size: 0.6 × 0.4 × 1.1 inches
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Adjustment: Flash rate can be changed by replacing the timing resistor; an optional DPST or DPDT switch can bypass the oscillation for constant-on operation
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Set size: One DL-1 circuit board with two ditch-light outputs
Installation Notes
The circuit requires basic wiring and a 2.4–3.0-volt DC source. Its slow alternating flash pattern is intended to represent pilot-mounted safety lamps used on many railroads, while the optional bypass supports constant-on operation.
Related Resources
Find manufacturer information from Circuitron Electronics and browse related products in Diorama Accessories.