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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 8WD4420-0EA |
| Alternative Part Number | 8WD44200EA |
| Manufacturer | Siemens |
| Category | General Automation |
| Description | Signalling Column Siren Element |
| Voltage Type | DC |
| Operating Voltage | 24 V |
| Loudness Level | 105 dB |
| Acoustic Signal Type | Continuous tone / Pulse tone |
| Ambient Operating Temperature | -20 ... +50 °C |
| Protection Class | IP40 |
| Mounting Type | Bayonet |
| Product Function | Non-adjustable acoustic signal |
| Height | 79 mm |
| Width | 70 mm |
| Depth | 70 mm |
| Weight | 0.120 kg |
| Colour | Black |
| Service Life | 5,000 h |
| Tone Frequency | 2.5 kHz / 3.5 kHz |
| Commodity Code | 853180 |
The Siemens 8WD4420-0EA is a robust and versatile signalling column siren element designed to deliver clear and loud auditory signals in a variety of industrial settings. With its impressive 105 dB sound level, this siren element ensures that alerts and notifications are heard even in noisy environments. Engineered for reliability, it operates within a -20 to +50°C temperature range, making it suitable for a wide range of operating conditions.
The siren element is compatible with a 24 V DC power supply and is crafted with a sleek black housing that has an outer diameter of 70 mm, ensuring it is both compact and unobtrusive when installed. The IP40 protection class signifies that the unit is protected against solid objects larger than 1 mm, although it is not rated for protection against water ingress.
This product is designed for ease of use with a bayonet mounting type, allowing for quick and secure installation. The siren element can produce a continuous tone or an alternating tone, providing flexibility in the type of auditory signal emitted based on the needs of the application.
The Siemens 8WD4420-0EA is an ideal solution for industrial applications where clear and audible signalling is paramount, such as manufacturing plants, warehouses, and construction sites. Its durable construction and operational reliability make it a valuable component for safety and notification systems.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What type of signalling device is this?
This is a siren element designed for use in signalling columns, providing an audible alert with a loudness level of 105 dB and capable of producing both continuous and alternating tones.
Can the acoustic signal of this siren element be adjusted?
No, the acoustic signal of the 8WD4420-0EA is not adjustable. It is designed to emit a standardised alert tone at a fixed volume and frequency.
What is the operating voltage for this siren element?
The siren element operates at a DC rated voltage of 24V.
What are the ambient operating temperature limits for this device?
The device is designed to operate within an ambient temperature range of -20°C to +50°C.
What is the protection class of this siren element?
The siren element has a protection class of IP40, indicating a level of protection against solid objects but not against water.
What is the service life of the acoustic signal device?
The service life of the acoustic signal device is approximately 5,000 hours.
What are the dimensions of this siren element?
The siren element has a width and depth of 70 mm and a height of 79 mm.
What colour is the housing of this siren element?
The housing of the siren element is black.
Is this siren element suitable for outdoor use?
Given its IP40 rating, the siren element is not suitable for outdoor use where it would be exposed to water or harsh weather conditions.
How loud is the siren element and what frequencies does it use?
The siren element has a loudness level of 105 dB and uses two tone frequencies, 2.5 kHz and 3.5 kHz.
