Pfannenberg QUADRO LED-HI-3G/3D HV RD 21108645009 is a high-intensity red 115 / 230 V AC/DC Ex-ATEX LED visual signalling light with a 90–253 V AC/DC operating range, adjustable brightness up to 75 cd, continuous, blinking and flashing modes, and IP66/IP67 protection for Ex Zone 2 and Zone 22 applications.
£567.43
The Pfannenberg QUADRO LED-HI-3G/3D HV RD 21108645009 is a high-intensity red Ex-ATEX LED visual signalling light designed for prominent alarm, warning and machine-status indication in demanding industrial and hazardous-area environments. As part of the Pfannenberg QUADRO LED-HI 3G/3D series, it is designed for use in Ex Zone 2 and Zone 22 applications where potentially explosive gases or combustible dust may occur.
This industrial LED signal light provides user-adjustable brightness up to 75 cd and supports continuous, blinking and flashing signalling modes. Its powerful LED technology and selectable operating modes allow the visual signal to be adapted to different alarms, process conditions and machine states, providing flexible signalling across industrial installations.
With a rated supply of 115 / 230 V AC/DC and a wide 90–253 V AC/DC operating range, the QUADRO LED-HI-3G/3D HV RD is suitable for a broad range of industrial power and control systems. Its compact 130 × 130 × 130 mm enclosure, IP66/IP67 protection and IK08 impact resistance provide dependable operation in demanding indoor and outdoor environments.
Visual signalling equipment installed in hazardous areas must provide effective indication while being suitable for the intended operating environment. The Pfannenberg QUADRO LED-HI 3G/3D series is designed for Ex Zone 2 and Zone 22 applications, providing a powerful red visual signal in locations where potentially explosive gases or combustible dust may occasionally occur.
The combination of adjustable LED brightness, multiple signalling modes, wide-range AC/DC power supply and rugged environmental protection makes the QUADRO LED-HI-3G/3D suitable for industrial automation and process applications. Positive enclosure sealing, redundant electrical contacts, an inrush current regulator and flexible cable entry arrangements further support dependable integration into industrial signalling systems.
| Manufacturer | Pfannenberg |
|---|---|
| Series | QUADRO LED-HI 3G/3D |
| Model | QUADRO LED-HI-3G/3D HV RD |
| Article number | 21108645009 |
| Product type | Ex-ATEX LED visual signalling light |
| Lens colour | Red |
| Light source | LED |
| Rated voltage | 115 / 230 V AC/DC |
| Operating voltage range | 90–253 V AC/DC |
| Rated frequency | 50 / 60 Hz for AC operation |
| Nominal current consumption | 65 mA at 230 V AC in continuous red light mode |
| Light intensity | Up to 75 cd, adjustable from 15% to 100% |
| Maximum viewing distance | approx. 201 m |
| Operating modes | Continuous, blinking and flashing light |
| Hazardous-area categories | 3G / 3D |
| Hazardous-area suitability | Ex Zone 2 / Zone 22 |
| Explosion protection | II3G Ex nR II T6 X / II3D Ex tc IIB T80 °C |
| Protection rating | IP66 / IP67 |
| Impact resistance | IK08 |
| Operating temperature | -20 °C to +55 °C |
| Housing and lens material | UV-resistant polycarbonate (PC) |
| Cable entry | 2 × M20 × 1.5 |
| Mounting orientation | Arbitrary |
| Dimensions (H × W × D) | 130 × 130 × 130 mm |
| Service life of light source | >50,000 hours |
This red LED signalling light provides highly visible alarm, warning and machine-status indication for industrial equipment and hazardous-area applications, including installations in Ex Zone 2 and Zone 22.
The unit has a 115 / 230 V AC/DC rated supply and operates across a wide 90–253 V AC/DC voltage range.
Yes. The QUADRO LED-HI-3G/3D is designed for Category 3G and 3D applications and is suitable for Ex Zone 2 and Zone 22 environments.
The QUADRO LED-HI provides user-adjustable light intensity up to 75 cd, with brightness adjustable from 15% to 100% and a maximum viewing distance of approximately 201 m.
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 3G/3D signalling lights combine high-intensity adjustable LED technology, hazardous-area suitability and rugged environmental protection to provide dependable visual indication for industrial machinery, process systems and Ex-area applications.
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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...