Siemens Continuous light element, integrated LED, yellow, 24VADC Part number 8WD4220-5AD

Product Overview

The Siemens 8WD4220-5AD is a continuous-light element designed for use in signal-tower and indicator assemblies of the SIRIUS 8WD4 series. It features an integrated LED source, yellow colour, rated for 24 V AC/DC operation, and a 50 mm diameter lens. With its bayonet mounting and rugged protection class, it is well suited for industrial control panels, machine signalling towers and status notification installations.

Key Features

• Signal-tower light element (SIRIUS 8WD4 series) with integrated LED
• Yellow lens, continuous light output (not flashing)
• Rated voltage: 24 V AC/DC (versatile AC/DC operation)
• Diameter: 50 mm – large visual indicator for status or warning signaling
• Bayonet mounting system for quick installation in signal-tower modules
• Protection class: IP54 suitable for industrial panel environments

Technical Specifications

• Article Number: 8WD4220-5AD
• Product Family: SIRIUS 8WD4 continuous-light elements
• Operating Voltage: 24 V AC or 24 V DC
• Maximum Current Consumption: 40 mA
• Light Source: LED with service life approx. 100,000 h
• Light Intensity: Approx. 4.96 cd (candela)
• Lens Diameter: 50 mm
• Ambient Operating Temperature: -20 °C to +50 °C
• Protection Rating: IP54

Compliance & Certifications

• Designed for industrial automation signalling applications
• Manufactured to Siemens SIRIUS accessory standards for control-panel equipment

Applications

This light element is ideal for machine-tool operator panels, factory floor signal towers, process control status indication, warning signal columns and automation cabinets where a clear, high-visibility yellow indicator is required. Its bayonet mount, large diameter and durable design make it suitable for use in manufacturing plants, material-handling systems and industrial switchgear.