Varios · Routers and Switches

20-03A Photocell Switch for Obstruction Lights, 1500 W, 120 V AC

Part number / SKU
20-03A

$13.99

Special order· Lead time confirmed by our team after you order.

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Overview

What it is and who it is for

The 20-03A is a photocell switch that turns obstruction lights on and off automatically with built-in light sensing. It installs in a three-terminal receptacle and is factory calibrated for standard ambient light conditions.

It operates on 105 to 130 V AC at 50/60 Hz, switches loads up to 1500 W, and has a 5 to 15 second turn-on delay for smooth light transitions. The rated operating temperature is -40 to 60 °C. For the best response, install it with the N indicator facing north, then press down and turn the control from left to right to lock it into the receptacle.

  • Best for: automatic on and off control of obstruction lights.
  • System fit: three-terminal receptacle on 120 V AC lighting circuits up to 1500 W.
  • Important to know: orient the N indicator toward north for the intended light response.

Why teams choose it

Built for reliable networks

  • Automatic operation

    built-in light sensing switches the obstruction light on and off.

  • High switching capacity

    rated for loads up to 1500 W.

  • Turn-on delay

    5 to 15 seconds for a smooth light transition.

Specifications

Technical specifications

General
Model 20-03A
Device Type Photocell switch for obstruction lights
Mounting Three-terminal receptacle
Calibration Factory calibrated for standard ambient light
Country of Origin Mexico
Power
Operating Voltage 105 to 130 V AC
Frequency 50/60 Hz
Load Capacity 1500 W
Performance
Turn-On Delay 5 to 15 seconds
Environmental
Operating Temperature -40 to 60 °C