DSDL Series- Denki Seigyo Dome Light (RYG LED Signal Light)
The Denki Seigyo DSDL50-24SBT-RYG Dome Light is a high-visibility multi-color LED indicator designed for industrial automation. With Red, Yellow, and Green (RYG) signaling, it provides clear and instant machine status indication. Its durable construction, 360° visibility, and 24V DC compatibility ensure reliable performance in demanding environments, making it ideal for control panels, production lines, and alarm systems.
For more details check datasheet Dome Light-50MM

Denki Seigyo Dome Light – DSDL Series (RYG LED Signal Light)
Industrial Dome Indicator Light for Machine Status & Automation Alerts
Available in 50mm and 30mm dome sizes, these lights feature Red, Yellow, Green (RYG) multi-color indication with 360° visibility, making them ideal for industrial automation environments.
Models such as DSDL50-24SBT-RYG and DSDL30-24ST-RYG operate on 24V DC, ensuring compatibility with standard PLC and control systems.
Key Features
✔ Multi-color dome (Red / Yellow / Green) for clear status indication
✔ 360° visibility for enhanced operator awareness
✔ Compact design – available in 50mm and 30mm sizes
✔ 24V DC operation for industrial compatibility
✔ Durable housing for long life in harsh environments
✔ Modular mounting options (panel / stack mount)
✔ Low power consumption LED technology
✔ Ideal for machine status, alarms, and process indication
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DSDL50-24SBT-RYG / DSDL30-24ST-RYG |
| Supply Voltage | 24 V DC ±10% |
| Colors | Red / Yellow / Green |
| Light Source | High-brightness LED |
| Dome Size | 50 mm / 30 mm |
| Viewing Angle | 360° |
| Mounting | Panel mount / Stack mount |
| Housing | ABS / Polycarbonate |
| Protection | Industrial grade (IP65 typical) |
| Operating Temperature | -25°C to +55°C |
| Power Consumption | < 2W per color (typical) |
Model Code Explanation
Example: DSDL50-24SBT-RYG
- DSDL → Denki Seigyo Dome Light
- 50 → 50 mm dome size
- 24 → 24V DC supply
- SBT / ST → Mounting / configuration type
- RYG → Red / Yellow / Green colors
Available Models
| Model | Size | Voltage | Colors | Mount Type |
|---|---|---|---|---|
| DSDL50-24SBT-RYG | 50 mm | 24V DC | R / Y / G | Stack / Panel |
| DSDL30-24ST-RYG | 30 mm | 24V DC | R / Y / G | Panel / Compact |
Applications
Denki Seigyo dome lights are widely used in:
• Machine status indication
• Production line monitoring
• Packaging machines
• Automation systems
• Control panels
• Alarm and fault indication systems
• Operator stations
Why Choose Denki Seigyo Dome Lights?
✔ Clear and instant visual indication
✔ Compact design for easy integration
✔ Improves safety and productivity
✔ Reliable performance in industrial environments
✔ Cost-effective signaling solution
Dome lights are essential for real-time machine status indication and operator alerts in modern factories.
Installation Options
- Panel mount
- Surface mount
- Stack mounting
What is DSDL dome light used for?
It is used for machine status indication, alarms, and process monitoring in industrial automation.
What colors are available in DSDL models?
These models come with Red, Yellow, and Green (RYG) color indication.
What voltage does DSDL dome light operate on?
The DSDL series operates on 24V DC power supply.
What sizes are available?
Available in 50mm and 30mm dome sizes.
Where are dome lights used?
They are commonly used in control panels, CNC machines, packaging machines, and automation systems.








