Pfannenberg QUADRO LED-HI DC RD 21108635000 is a high-intensity red 12–48 V DC industrial LED visual signalling light with adjustable output up to 75 cd, selectable continuous, blinking and flashing modes, and IP66/IP67 protection.
£502.20
The Pfannenberg QUADRO LED-HI DC RD 21108635000 is a high-intensity red LED visual signalling light designed to provide clear and highly visible status, warning and alarm indication in demanding industrial environments. As part of the advanced Pfannenberg QUADRO LED-HI series, it combines powerful LED technology, adjustable brightness and flexible signalling modes for machinery, automation and safety applications.
This industrial LED signal light provides light intensity up to 75 cd and supports continuous, blinking and flashing operating modes. The DC version allows operating modes to be selected internally or externally, enabling the visual signal to be adapted to different machine states, alarms and process conditions while simplifying integration with industrial control systems.
With a rated supply of 12–48 V DC and a wide 11–60 V DC operating range, the QUADRO LED-HI DC RD is suitable for common industrial low-voltage control systems. Its IP66/IP67 protection, IK08 impact resistance and UV-resistant polycarbonate construction provide dependable operation in demanding indoor and outdoor installations.
High-intensity LED signalling devices such as the Pfannenberg QUADRO LED-HI provide immediate visual indication of machine states, process conditions and alarms. The powerful LED output and large signalling surface help operators recognise equipment conditions quickly, making the red version particularly suitable for applications where faults, hazards or stop conditions require prominent visual indication.
The QUADRO LED-HI series is designed for demanding industrial applications and provides flexible signalling through continuous, blinking and flashing modes. Its wide DC operating range, rugged environmental protection and resistance to shock and vibration make it suitable for machinery, conveyor systems, cranes, material handling equipment and automated production installations.
| Manufacturer | Pfannenberg |
|---|---|
| Series | QUADRO LED-HI |
| Model | QUADRO LED-HI DC RD |
| Article number | 21108635000 |
| Product type | Industrial LED visual signalling light |
| Lens colour | Red |
| Light source | LED |
| Rated voltage | 12–48 V DC |
| Operating voltage range | 11–60 V DC |
| Nominal current consumption | 165 mA at 24 V DC |
| Light intensity | Up to 75 cd, adjustable |
| Operating modes | Continuous, blinking and flashing light |
| Blinking frequencies | 1 / 2 Hz |
| Flashing frequencies | 0.1 / 0.5 / 0.75 / 1 / 2 Hz |
| Protection rating | IP66 / IP67 |
| Impact resistance | IK08 |
| Operating temperature | -40 °C to +55 °C |
| Housing and lens material | UV-resistant polycarbonate (PC) |
| Dimensions (H × W × D) | 130 × 130 × 130 mm |
| Service life of light source | >50,000 hours |
This red LED light provides highly visible alarm, warning and machine status indication for industrial machinery, automation, material handling and safety applications.
The unit has a 12–48 V DC rated supply and operates across a wide 11–60 V DC voltage range.
The QUADRO LED-HI provides adjustable light intensity up to 75 cd, delivering a powerful visual signal for industrial applications.
The light supports continuous, blinking and flashing modes, with selectable frequencies allowing the visual signal to be adapted to different alarms, warnings and machine conditions.
Yes. Its IP66/IP67 enclosure protection, IK08 impact resistance and UV-resistant polycarbonate construction make it suitable for demanding indoor and outdoor industrial environments.
Pfannenberg QUADRO LED-HI signalling lights combine powerful adjustable LED output, flexible signalling modes and rugged environmental protection to provide dependable visual indication for machinery, automation, material handling and industrial safety applications.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...