Search results for: lt104

Complete Photocell Control System (LT104 + 645/645B) Designed for Outdoor Lighting Projects in Mexico and Global Markets

The LT104 light controller is an economical intelligent light controller specially developed by us for the South American market, aimed at helping users achieve more efficient energy management. This light controller is based on advanced light sensing technology and can automatically adjust the on/off status of lighting equipment according to external light intensity, ensuring automatic shutdown during the day and automatic startup at night, effectively reducing unnecessary power consumption.

Product information
Model:LT104
Standard：ANSI C136.10 & UL773
Rated Volts：120V-277V
Rated Load：1000W/1800VA
Turn-On Light Levels：5-15 Lux
ON/OFF Ratio：1:1.5
Waterproof Rating：IP65/66/67
MOV：160Joule/220Joule/475 Joule/525Joule

Time Delay：3-10 Seconds
Switch：>10000 ON/OFF Operations at Rated Load
Power Consumption：≤ 0.5 watts at 120VAC
Cover：Anti-UV Impact Resistance Polypropylene
Base：High Temperature Resistance Polybutylene Terephthalate
Fail Mode：OFF(Optional : ON)

LT104 Conical Shell 12-48V/120-240V Twist Lock Photocontrollers for Outdoor Landscape & Barn Lighting

LEAD TOP’s Economic Long-life Type with Low Cost’s photocontrol were designed for the demands of HID and solid-state lighting (SSL), making them an excellent choice for LED, conventional & Electronic HID, and Induction luminaires.

Product information
Model:LT104-Conical Shell
Standard：ANSI C136.10 & UL773
Rated Volts：AC: 120V-277V(Applicable: 105-305V); DC: 12/24V
Rated Load：1000W/1800VA
Turn-On Light Levels：5-15 Lux
ON/OFF Ratio：1:1.5
Waterproof Rating：IP65/66/67
MOV：160Joule/220Joule/475 Joule/525Joule

Time Delay：3-10 Seconds
Switch：>10000 ON/OFF Operations at Rated Load
Power Consumption：≤ 0.5 watts at 120VAC
Cover：Anti-UV Impact Resistance Polypropylene
Base：High Temperature Resistance Polybutylene Terephthalate
Fail Mode：OFF(Optional : ON)

LT104-12 & 24 VDC Twist Lock Photocontrollers Used for Landscape Lights/Barn Lights

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

Product information
Model:LT104-DC
Standard：ANSI C136.10 & UL773
Rated Volts：12V-24VDC
Ingress Protection：IP65
Turn-On Light Levels：10-16 Lux
ON/OFF Ratio：1:1.5

Time Delay：30-10 Seconds
Switch：>10000 ON/OFF Operations at Rated Load
Power Consumption：≤ 0.5 watts
Cover：Anti-UV Impact Resistance Polypropylene
Base：High Temperature Resistance Polybutylene Terephthalate
Fail Mode：OFF(Optional : ON)

Fotocelda LED Streetlight Photocell Sensor LT104 Lighting Control Photocontrol Photoelectric Sensor Switch

The LT104 light controller is an economical intelligent light controller specially developed by us for the South American market, aimed at helping users achieve more efficient energy management. This light controller is based on advanced light sensing technology and can automatically adjust the on/off status of lighting equipment according to external light intensity, ensuring automatic shutdown during the day and automatic startup at night, effectively reducing unnecessary power consumption.

Product information
Model:LT104
Standard：ANSI C136.10 & UL773
Rated Volts：120V-277V
Rated Load：1000W/1800VA
Turn-On Light Levels：5-15 Lux
ON/OFF Ratio：1:1.5
Waterproof Rating：IP65/66/67
MOV：160Joule/220Joule/475 Joule/525Joule

Time Delay：3-10 Seconds
Switch：>10000 ON/OFF Operations at Rated Load
Power Consumption：≤ 0.5 watts at 120VAC
Cover：Anti-UV Impact Resistance Polypropylene
Base：High Temperature Resistance Polybutylene Terephthalate
Fail Mode：OFF(Optional : ON)

Billboard & Sign Lighting: Choosing a Photocell for 1000W+ Loads

For billboards and sign lighting, there can be no effective illumination without timely switching. Manual control is prone to error and unreliable. Therefore, the automatic system is a must. Photocontrols switch outdoor sign lighting according to ambient light conditions. For projects with 1000W and higher lighting loads, though, selecting one takes more than a simple […]

Photocell Cross-Reference Guide: How to Find a Compatible Replacement

Finding a replacement photocontrol can be tough when the original model doesn’t work for a lighting project. The choice based only on appearance and rated wattage can lead to compatibility problems. A reliable replacement process starts with the Original photocell’s voltage Load rating Mounting interface Switching characteristics Environmental protection requirements A variety of locking photoelectric […]

8A Twist-Lock Photocells: When 2A and 5A Are Not Enough

Standard locking photocell sensors come with a rating of either 2A or 5A for the electronic ballast. However, bigger LED drivers and wattage loads create a lot of pressure on contacts and protective circuitry, which the smaller models are not capable of handling. This guide highlights what the amp rating really means, the circumstances that […]

Guadalajara Invests in Urban Improvements: Why Reliable Photocontrols Matter for Public Lighting

Guadalajara is trying to make its urban improvements more effective. However, better infrastructure is not only about upgraded roads and public spaces. Another critical aspect is reliable public lighting that creates safe public spaces. Public lighting systems require dependable automatic switching and compatible control components to actually deliver the safety and visibility benefits a city […]

Boca del Río Strengthens Public Lighting: How Photocontrol Selection Supports Streetlight Maintenance

On October 11, 2026, Boca del Río’s municipal government, led by Mayor Maryjose Gamboa Torales, reported a series of public works across the city. Public Lighting crews carried out work in the Miguel Alemán neighborhood to improve visibility and safety, with further lighting attention extended to Costa Verde, Remes, Virginia, Calle 6, Ampliación Miguel Alemán, […]

How Can Photocontrols Improve LED Street Lighting in Argentina?

In Argentina, many municipalities are upgrading their streets with LED luminaires. Installations along Avenida Juan Muzzio in Puerto Madryn are a recent example. However, efficient lighting requires more than modern fixtures. It also needs reliable controls to prevent unnecessary daytime operation. Light photocell sensors offer a practical solution by switching compatible streetlights according to ambient […]

Need a Low-Voltage Photocontrol for 12–48VDC Lighting? Meet LT310A-DC

Choosing the right photocontrol receptacle can be challenging, especially when voltage and outdoor conditions all matter. A suitable 12-48VDC photocontrol can detect ambient light and switch compatible lighting automatically. But what if your system needs direct wiring instead of a socket-based connection? The LT310A-DC is designed for this purpose. It is a DC wire-in photocontrol with […]

Why are 12V/24VDC photocells important for low-voltage and energy-efficient outdoor lighting

More lighting systems now use low-voltage DC power. This is especially true for solar installations. These systems need control devices that work directly with their DC architecture. A 12V/24VDC light sensor control detects ambient light and automatically switches compatible lighting. This helps avoid unnecessary daytime operation and supports energy savings. But how does a DC […]

Low-Voltage Photocontrols: Where Are 12V, 24V, and 48V Photocontrols Used?

Most outdoor photoelectric sensors are designed for common 120–277V AC lighting systems. However, things work differently when a lighting system runs on DC power instead. Solar street lights, battery fixtures, and some LED systems may use 12V, 24V, or 48V DC. These systems need a compatible low-voltage photocontrol to manage lighting automatically. The right voltage […]

CdS Cell vs. IR Filter Phototransistor: Understanding Photocell Sensors

What makes one photocell sensor different from another? The answer often starts with the light-sensing technology inside it. CdS Cells and IR Filter Phototransistors both detect changes in ambient light, but they are used across different photocontrol designs. Understanding these technologies can help buyers choose the right street light photocell for their project. Lead Top […]

How France Is Modernizing Public Lighting: What the Limoges Project Means for Photocell Solutions

France is moving toward more efficient and flexible public lighting. The Limoges modernization project shows what this can look like at city scale. Here are the project highlights: Instead of switching lights off completely, the city aims to keep them on at lower intensity during the night. This approach can reduce energy use while supporting […]

How Photocells Can Improve Energy Efficiency in Mexico’s Street Lighting Systems

Mexico’s municipalities are upgrading street lighting to improve efficiency and reduce operating costs. LED street lights can lower energy use, but they still consume electricity when left on during daylight. This is where an outdoor light sensor switch becomes important. A street light photocell detects ambient light and automatically switches the light accordingly. When combined […]