Siemens Buzzer element, black, continuous/pulsating, 85dB Part number 8WD4220-0FA

Product Overview

The Siemens buzzer element, black, continuous tone or pulsating, adjustable, 85 dB, 24 V AC/DC, diameter 50 mm, article number 8WD4220-0FA, is an acoustic signalling element designed to provide audible alerts within industrial signalling column systems. This buzzer module delivers a clear sound output of approximately 85 dB with adjustable tone behaviour, capable of producing either a continuous or pulsating signal. It is built for integration into Siemens signalling columns and control installations where reliable audible indication is needed.

Key Features

• Buzzer element for industrial signalling applications
• Black housing with 50 mm diameter
• Adjustable continuous or pulsating tone
• Acoustic output level of approximately 85 dB
• 24 V AC/DC operating voltage
• Robust design for industrial environments
• Suitable for integration into signalling columns and control panels
• Produces clear audible alerts for machine or process states

Technical Specifications

• Article Number: 8WD4220-0FA
• Product Type: Buzzer element
• Colour: Black
• Diameter: 50 mm
• Operating Voltage: 24 V AC/DC
• Acoustic Output: Approx. 85 dB
• Tone Type: Continuous or pulsating (adjustable)
• Environmental Protection: Suitable for industrial environments (protected housing)
• Connection/Fastening: Designed for modular assembly on signalling columns
• Operating Temperature: Standard industrial ambient range
• Application Area: Audible indication in control and signalling systems

Compliance & Standards

• Designed for use with Siemens signalling column systems
• Manufactured to Siemens quality standards for industrial signalling devices
• Meets relevant industrial signalling device requirements

Applications

The Siemens 8WD4220-0FA buzzer element is used to provide audible signalling in industrial automation and control installations. Common applications include machine status alerts, process notifications, safety warnings, and integration into modular signalling columns where clear acoustic feedback is required. The adjustable tone allows adaptation to different alerting needs in factory floors, production lines, and equipment enclosures.