Name: JL-303 E26/E27 Bulb Socket Type
Brand: Shanghai Long-Join Intelligent Technology Inc.

JL-303 E26/E27 Bulb Socket Type Overview:

The JL-303 bulb holder control is designed for the automatic regulation of street, corridor, and entrance lighting, contingent on the surrounding light levels. Engineered with an electrical heating element, it features a built-in delay of more than 30 seconds to prevent unnecessary activation due to momentary light sources like spotlights or lightning at night. A temperature compensation feature ensures reliable operation irrespective of the environmental temperature changes.

JL-303 E26/E27 Bulb Socket Type Specifications

Model No.	JL-303A	JL-303B
Rated Voltage	120VAC	240VAC
Rated Frequency	60Hz	50/60Hz
Rated Loading	150W Tungsten
Power Consumption	1.5W Max.
Operate Levels	10~20Lx Turn-On / 30~60Lx Turn-Off
Ambient Temperature	-40℃ ~ +70℃
Related Humidity	96%
UL File number	E346727	—
Adapter	E26	E27
Failure Mode	Fail-On
Sunshade sleeve	●
Certifications

JL-303 E26/E27 Bulb Socket Type Installation

Disconnect power.
Screw bulb off.
Screw the unit into bulb holder completely.
Screw bulb into the bulb holder of the unit.
Connect power. Turn lamp switch ON.
Do not install the switch with the Photocell facing artificial or reflected light. This will cause the unit to cycle on and off at night.
Avoid to use the unit in an opaque or reflective glass lantern, as well as use in a wet place.

JL-303 E26/E27 Bulb Socket Type Installation