Siemens Flashlight element w/ integrated LED, red, 24VAC/DC, Ø50mm Part number 8WD4220-5BB

Product Overview

The Siemens 8WD4220-5BB is a SIRIUS 8WD42 series flashing light element with an integrated red LED, designed for signal tower applications. It operates at 24 V AC/DC, features a 50 mm diameter lens and bayonet mounting, and is built for reliable visual signaling in industrial equipment and automation environments.

Key Features

• Flashing (repeated-flash) light element with integrated LED
• Red colour lens, diameter 50 mm
• Operating voltage: 24 V AC/DC
• Low current consumption (max approx. 30 mA)
• High LED lifetime: approx. 100,000 h
• Flashing frequency: ~1 Hz
• Mounting method: bayonet for quick installation and replacement
• Protection class: IP54 (when mounted) for dust and splash resistance in industrial use

Technical Specifications

• Product Series: SIRIUS 8WD42 signaling columns
• Article Number: 8WD4220-5BB
• Lens Diameter: 50 mm
• Operating Voltage (Ue): 24 V AC (50/60 Hz) or 24 V DC
• Rated Current: Max. ~30 mA
• Flashing Frequency: ~1 Hz
• Light Intensity: 0.9 … 2.43 cd (typical 1.51 cd)
• Ambient Operating Temperature: –20 °C … +50 °C
• Material (Lens/Housing): PC (polycarbonate lens)
• Protection Class: IP54
• Service Life (LED): approx. 100,000 h

Compliance & Certifications

• Manufactured by Siemens in compliance with SIRIUS industrial signalling product standards
• Built for industrial equipment safety and visual signalling in automation systems
• Designed for high-reliability operation in harsh environments

Applications

Ideal for use in industrial machine panels, control cabinets, production lines and infrastructure systems where visual signalling is required. Commonly employed in signal towers to indicate process states, alarms or machine conditions in manufacturing and automation environments.