Siemens Continuous light element base w/out element, red, Ø70mm, 12-230VAC/DC Part number 8WD4400-1AB

Product Overview

The Siemens 8WD4400-1AB is a continuous-light signal module in the 8WD44 series (70 mm diameter) designed for industrial signalling towers and machine-vision applications. It is intended for red visual indication with a broad voltage range of 12 – 230 V AC/DC and features a rugged, high-visibility design for clear status signalling.

Key Features

• Continuous-light signal element, red colour, designed for visual indication (steady light)
• Large Ø 70 mm module for machine-mounted or tower-stack use
• Wide operating voltage range: 12 – 230 V AC/DC for flexible system integration
• High ingress-protection rating (IP65) for mounting in industrial environments
• Socket design BA15d for standard lamp/light integration

Technical Specifications

• Product Series: Siemens 8WD44 Signalling Columns
• Article Number: 8WD4400-1AB
• Function: Continuous light module (red)
• Rated Operating Voltage: 12 … 230 V AC / DC (single or multi-voltage)
• Outer Diameter: 70 mm
• Socket/Base Type: BA15d
• Light Intensity (typical): ~0.5 cd (0.38 … 0.66 cd)
• Height: 65.5 mm
• Ambient Operating Temperature: -20 °C to +60 °C
• Protection Class (Front): IP65

Compliance & Certifications

• Manufactured in accordance with Siemens industrial signalling-column standards
• Suitable for machine and automation environments with high ingress protection requirements

Applications

The 8WD4400-1AB module is ideal for use in signalling columns, machine-vision systems, automation control panels and production-line status indication. Its robust design, broad voltage compatibility and large visual footprint make it suited for industrial signage and visual warning systems.