UM-204C Electronic Photocontrol Fail-Off

Product Summary

The UM-204C rotary lock analog electronic light control switch series products are suitable for autonomously controlling street lighting, garden lighting, passage lighting, porch lighting, and park lighting based on the natural lighting level of the environment.

This series of products adopts an electronic design with photoresistors and is equipped with surge arresters (MOVs). Especially, the UM-204C can meet all types of power sources and provide a wider voltage range for customer applications.

In addition, its delay control function can avoid redundant operations caused by spotlights or lightning at night.

Features

• Time Delay 3-20s2
• Surge Arrester Built-in
• Fail-Off Mode
• UV Stabilized Enclosure
• IP54/IP65/IP67 Available

Specifications

Installation

Disconnect power; wire the color coded receptacle according to the diagram below. Push the photocontrol on and twist it clockwise to lock it into the receptacle. Adjust the receptacle position if necessary, to ensure the Photocell facing the NORTH direction as indicated on the top of the photocontrol.

Initial Testing

• The Photocontrol turns off immediately when initially installed.
• To test “turn on” during daytime, cover its eye with opaque material.
• Do not cover with finger because light traveling through fingers may be great enough to keep the Photocontrol off.
• photocontrol test will take approximately 2 minutes.

* Operation of this Photocontrol is not affected by weather, moisture or temperature changes.