What is an Integrated Traffic Signal Light?
Definition
An Integrated Traffic Signal Light is a self-contained signal unit that houses the LED display board, circuit mainboard, power supply, and control electronics within a single unified housing-eliminating the need for separate driver boxes and external wiring harnesses-2.
Traditional vs. Integrated Signal Lights
| Comparison | Traditional Signal | Integrated Signal |
|---|---|---|
| Housing | Separate lamp housings + external junction box | Unified single housing |
| Wiring | External, requires weatherproof connections | Internal, factory-terminated |
| Installation | Multiple components, multiple mounting steps | Single unit, quick mount |
| Control Board | Remote in separate cabinet | Built-in, space-efficient |
| Maintenance | Component-level, multiple access points | Module-level, unified access |
| Weather Protection | Dependent on external seals | Factory-sealed at assembly |
Core Components
| Component | Function |
|---|---|
| Integrated Housing | Unified enclosure with upper, middle, and lower compartments |
| LED Display Board | Red/Green signal array with high-brightness LEDs |
| Circuit Mainboard | Control logic, timing, and communication |
| Module Board | Power regulation and signal processing |
| Lamp Cover | Weatherproof lens with light diffusion |
| Mounting Bracket | Direct pole attachment interface |
Core Advantages
🔧 Advantage 1: Simplified Installation
Traditional signals require separate mounting for each lamp head, plus a separate junction box for wiring. Our integrated signal mounts as a single unit:
One mounting point – Attach the housing directly to your pole
Internal wiring – No exposed cables, no weatherproof junction boxes
Factory-terminated connections – Ready to connect to your controller
Reduced installation time – Up to 60% faster than traditional signals
🔧 Advantage 2: Enhanced Reliability
Fewer connections mean fewer failure points:
Internal circuit mainboard – Protected from moisture and dust-2
Factory-sealed housing – Consistent weatherproofing, not dependent on field work
Module board integration – Power and signal processing unified in one location
Reinforced construction – with strengthening plate for durability-2
🔧 Advantage 3: Compact Footprint
Less pole real estate – Single unit vs. multiple lamp housings
Cleaner aesthetics – No visible junction boxes or cable loops
Lower wind load – Reduced surface area compared to multiple separate units
Better weight distribution – Centralized mass on the pole arm
🔧 Advantage 4: Easy Maintenance
Single access point – Open the housing, access all components
Modular internal layout – Separate compartments for circuit boards and lamps-2
Quick replacement – Swap modules rather than rewiring individual lamps
Diagnostic access – Integrated status indicators (select models)
🔧 Advantage 5: LED Efficiency
Low power consumption – 80%+ energy savings vs. incandescent
Long lifespan – 50,000-100,000 hour rated life
High visibility – Superior brightness and contrast in direct sunlight
Instant on/off – No warm-up, no cycling delays
Technical Specifications
Integrated Signal Model Series
| Model | Display Type | Lens Diameter | Mounting Orientation | Application |
|---|---|---|---|---|
| IS-P-200 | Pedestrian (Red/Green) | Φ200mm | Vertical | Crosswalks, pedestrian signals |
| IS-P-300 | Pedestrian (Red/Green) | Φ300mm | Vertical | Wide crosswalks, high visibility |
| IS-V-200 | Vehicle (Red/Yellow/Green) | Φ200mm | Horizontal/Vertical | Minor roads, secondary intersections |
| IS-V-300 | Vehicle (Red/Yellow/Green) | Φ300mm | Horizontal/Vertical | Main roads, standard intersections |
Housing Specifications
| Parameter | Specification |
|---|---|
| Housing Material | Die-cast aluminum / High-strength polycarbonate |
| Surface Treatment | Powder coating, RAL 9011 (Black) or custom |
| Ingress Protection | IP54 – IP65 (model dependent) |
| Mounting Type | Pole top / Pole side / Mast arm |
| Cable Entry | Internal conduit entry, waterproof gland |
| Operating Temperature | -40℃ to +85℃ |
| Housing Configuration | Upper box (lamps) + Middle box (control) + Lower box (power) |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Operating Voltage | AC 176-264V, 50Hz / DC 24V (optional) |
| Power Consumption | ≤15W (per signal color) |
| Control Interface | AC 220V switching / RS485 / 4-20mA (selectable) |
| Circuit Protection | Over-voltage, over-current, short-circuit |
| LED Drive | Constant current, high-efficiency driver |
LED Specifications
| Parameter | Red | Yellow | Green |
|---|---|---|---|
| Wavelength | 620-625nm | 589-595nm | 503-505nm |
| Luminous Intensity | ≥3000 mcd | ≥3000 mcd | ≥6000 mcd |
| LED Count | 90-270 (model dependent) | ||
| Viewing Angle | ≥30° | ||
| Visibility Distance | ≥400m (daytime) | ||
| Lifespan | ≥50,000 hours |
Product Features
🔧 Feature 1: Unified Housing Design
Unlike traditional signals with separate lamp housings for each color, our integrated signal places all display elements within a single, weatherproof housing. This eliminates multiple mounting points, reduces wind load, and presents a cleaner, more modern appearance.
🔧 Feature 2: Internal Electronics Compartment
The housing is divided into functional compartments-2:
| Compartment | Contents | Purpose |
|---|---|---|
| Upper Compartment | LED display board, lamp covers | Light emission |
| Middle Compartment | Circuit mainboard, module board | Control and signal processing |
| Lower Compartment | Power supply, terminal block | Power distribution and wiring |
This separation ensures that heat-generating power components don't affect sensitive control electronics, improving reliability and lifespan.
🔧 Feature 3: Built-in Circuit Mainboard
The integrated circuit mainboard eliminates the need for a separate controller cabinet at the pole base-2. All timing, sequencing, and communication functions are embedded within the signal housing:
Integrated control logic – No external controller required for basic operation
Communication-ready – RS485 port for connection to central management systems
Diagnostic capability – Internal fault detection and reporting
🔧 Feature 4: Quick-Connect Pole Mounting
Designed for compatibility with our pole systems:
Pre-drilled mounting holes – No field modification required
Standard bolt patterns – Compatible with most pole arms
Adjustable orientation – Horizontal or vertical mounting supported
Weather-sealed interface – Prevents moisture ingress at pole connection
🔧 Feature 5: Low Maintenance Design
Tool-accessible cover – Quick access without specialized tools
Modular board replacement – Swap boards, not entire units
LED array – No filament replacement for 10+ years
Self-diagnostic LEDs – Status indicators on internal boards
🔧 Feature 6: All-Weather Operation
Temperature range -40℃ to +85℃ – Suitable for extreme climates
IP54 to IP65 – Resists rain, dust, and humidity
UV-stabilized housing – No fading or cracking from sun exposure
Anti-condensation design – Prevents internal fogging