Our street lighting photocells are ANSI C136.10 compliant, providing a cost-effective and dependable solution for automated lighting control from dusk to dawn. Engineered to optimize lighting system performance and save energy, these photocells utilize advanced electronic circuitry and a stable phototransistor light sensor for consistent on/off functionalit.
LT310A is suitable for garden lights, park lights, charging piles, etc.
Product information
Model:LT310A-DC
Standard:ANSI C136.24 & UL773A
Rated Volts:12-48VDC
Rated Load:10A
Fail Mode:ON/OFF
Time Delay:3-10 Seconds
ON/OFF Ratio:1:1.5
Turn-On Light Levels:10-16 Lux
Switch:>10000 ON/OFF Operations at Rated Load
Power Consumption:≤ 0.5 watts
The Lead-Top LT310A-DC DC Wire-In Photocontrol is designed for DC lighting applications, including solar energy systems, LED lighting, conventional and electronic HID, and induction luminaires. It automatically controls lighting based on ambient light levels, providing reliable dusk-to-dawn operation for outdoor lighting systems.
With a 12–48VDC rated voltage, 10A rated load, IP66 protection, and a reliable sealed relay, the LT310A-DC is a practical solution for low-voltage outdoor lighting control.
| Parameter | Specification |
|---|---|
| Model | LT310A-DC |
| Type | DC Wire-In Photocontrol |
| Rated Voltage | 12–48VDC |
| Applicable Voltage | 10–50VDC |
| Rated Load | 10A |
| Turn-On Light Level | 10–16 Lux |
| ON/OFF Ratio | 1:1.5 |
| Time Delay | 3–10 seconds |
| Operating Temperature | -40°C to +70°C |
| Switch Life | >10,000 ON/OFF operations |
| Light Sensor | IR Filter Phototransistor |
| Power Consumption | ≤0.5W |
| Ingress Protection | IP66 |
| Cover Material | Anti-UV Impact-Resistant Polycarbonate |
| PCB | FR4 Fiberglass |
| Relay | Reliable Sealed Relay |
| Flame Resistance | UL94 V-0 |
| Cable | UL1015 18AWG × 16cm |
| Fail Mode | ON/OFF |
| Warranty | 3 Years |
1.Installed inside the lighting fixture – the photocell is integrated directly into the fixture housing.

2.Wall-mounted with a mounting plate – the wire-in photocell is installed on a wall using an optional aluminum or stainless-steel mounting plate, available in rectangular or square shapes.

standard equipment includes:
1 × Nut
1 × Waterproof Gasket

Additional purchase:
1 × Optional Wall-Mounting Plate – available in aluminum or stainless steel, with rectangular or square options,It’s not standard equipment, Procurement based on demand.

In short: Internal installation provides better protection and a cleaner appearance, while the optional mounting plate offers greater flexibility for wall-mounted applications.

Supports multiple input voltages
CE Certification
ANSI C136.24 & UL773A compliant
Our product is widely used in various settings,
Street lighting
Outdoor LED lighting
Highways lighting
Parking lot lighting
Public areas lighting
Railway stations lighting
Landscape Lights
Barn Lights




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