Siemens Continuous light element w/ integrated LED, clear, 24VAC/DC, Ø50mm Part number 8WD4220-5AE

Product Overview

The Siemens 8WD4220-5AE is a continuous-light module belonging to the SIRIUS 8WD42 series. It features an integrated LED light source, clear lens, and an approved rated operating voltage of 24 V AC/DC. With a 50 mm diameter and bayonet mounting, it is intended for use in signal towers or stacked indicator systems where robust, long-life LED illumination is required.

Key Features

• Continuous light (steady) element, clear lens, for signal towers and stacked indicator columns
• Rated operating voltage: 24 V (AC or DC) with ±10% tolerance
• LED light source with service life of approximately 100 000 hours
• Light intensity typical 6.68 cd (range 3.87 … 9.74 cd)
• Outer diameter of the signal column element: 50 mm
• Compact housing: Height ≈ 67 mm, Width ≈ 52 mm, Material: PC (polycarbonate)
• Bayonet-mounting design, protection class IP54

Technical Specifications

• Product Series: SIRIUS 8WD42 Indicator Modules
• Article Number: 8WD4220-5AE
• Operating Voltage: 24 V AC (50/60 Hz) or 24 V DC
• Maximum Current Consumption: 40 mA
• Light Source Type: LED
• Service Life of LED: ~100 000 h
• Light Intensity (typical): 6.68 cd
• Ambient Operating Temperature: −20 °C … +50 °C
• Protection Class: IP54
• Dimensions (H × W × D): ≈ 67 mm × 52 mm × (depth as per mounting)
• Outer Diameter: 50 mm
• Material (Lens/Housing): Polycarbonate (PC)

Compliance & Certifications

• Designed and manufactured under Siemens industrial automation quality standards
• Complies with relevant standards for indicator modules and LED signal devices in low-voltage systems
• RoHS-compliant, suitable for industrial signal tower applications

Applications

The Siemens 8WD4220-5AE is suited for use in control panels, machine operator stations, and industrial signal towers requiring visual signalling of machine status, alarm conditions or process states. Its high-life LED light, compact 50 mm diameter format and flexible AC/DC 24 V rating make it ideal for automation, packaging, machine-tool and infrastructure applications.