Pfannenberg Continious light QUADRO LED-HI-3G/3D HV RDQUADRO LED-HI-3G/3D HV RD

Why Choose the Pfannenberg QUADRO LED-HI-3G/3D HV RD 21108645009 Continuous Light?

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.

Key Advantages

• High-intensity red Ex-ATEX LED visual signalling light for hazardous industrial environments.
• Designed for Ex Zone 2 and Zone 22 applications involving gases and combustible dust.
• User-adjustable light intensity up to 75 cd.
• Wide 90–253 V AC/DC operating range for flexible industrial power supplies.
• Selectable continuous, blinking and flashing light modes.
• IP66/IP67 enclosure protection for demanding indoor and outdoor conditions.
• IK08 impact resistance provides robust mechanical protection.
• Inrush current regulation helps protect control devices, switching components and relays.

Key Features

• Pfannenberg QUADRO LED-HI 3G/3D series.
• Red lens for prominent alarm, fault and warning indication.
• LED light source with long service life.
• Up to 75 cd adjustable light intensity.
• Brightness adjustable from 15% to 100%.
• 115 / 230 V AC/DC rated voltage.
• 90–253 V AC/DC operating voltage range.
• 50 / 60 Hz rated frequency for AC operation.
• 65 mA nominal current consumption at 230 V AC in continuous red light mode.
• Continuous, blinking and flashing visual signalling modes.
• Category 3G and 3D hazardous-area suitability.
• Positive enclosure sealing and shape-moulded gasket.
• Redundant electrical contacts facilitate wiring and daisy-chain connections.
• Multiple cable and conduit entries support flexible installation.

Reliable Visual Signalling for Hazardous Industrial Areas

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.

Typical Applications

• Ex Zone 2 industrial environments.
• Ex Zone 22 combustible dust environments.
• Industrial machinery alarm and warning indication.
• Machine fault and stop-condition signalling.
• Process plants and production equipment.
• Material handling and conveyor systems.
• Industrial automation and machine building.
• Indoor and outdoor hazardous-area safety signalling.