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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 8WD4420-5BD |
| Alternative Part Number | 8WD44205BD |
| Manufacturer | Siemens |
| Product Type | Through Type Terminal for ALPHA FIX Series Terminal Block |
| Colour | Grey |
| Size | 5.2 mm |
| Operating Voltage | 24 V AC/DC |
| Light Source | Integrated LED |
| Light Colour | Yellow |
| Flash Frequency | 1 Hz |
| Light Intensity | 0.81 ... 1.65 cd |
| Ambient Operating Temperature Range | -20 ... +50 °C |
| Protection Class IP | IP65 |
| Service Life of LED | 100,000 hours |
| Material | PC (Polycarbonate) |
| Mounting Type | Bayonet |
| Outer Diameter | 70 mm |
| Height | 65.5 mm |
| Width | 70 mm |
| Design of the Optical Signal | Blinklight |
| Product Approval | EMC Declaration of Conformity |
| Reference Code | According to DIN EN 61346-2: P; According to DIN EN 81346-2: P |
The Siemens 8WD4420-5BD is a high-quality signalling column replacement flash light element designed to enhance visibility and safety in industrial environments. This component is part of the SIRIUS product range and is equipped with an integrated LED light source, ensuring long-lasting and reliable operation. The LED offers a service life of 100,000 hours, making it a durable choice for continuous use.
With its bright yellow colour, the 8WD4420-5BD provides clear and unmistakable signalling, which is crucial for alerting and guiding personnel in various settings. The light operates at a flash frequency of 1 Hz, delivering a consistent and noticeable signal. The light intensity ranges from 0.81 to 1.65 cd, providing sufficient brightness to be seen even in well-lit areas.
This signalling column element is designed for versatility, supporting both AC and DC operating voltages of 24 V with a relative tolerance of ±10%. It consumes a maximum of 35 mA, making it an energy-efficient option for your signalling needs.
The unit is constructed with a robust polycarbonate material and features a bayonet fastening method for secure and straightforward installation. It has an outer diameter of 70 mm and is designed to withstand harsh conditions with an IP65 protection class, ensuring it remains dust-tight and protected against water jets from any direction.
The 8WD4420-5BD operates effectively within a wide ambient temperature range of -20 to +50 °C, making it suitable for a variety of industrial environments. Whether used in manufacturing plants, warehouses, or outdoor applications, this signalling column light element is built to perform reliably and enhance safety through visual alerts.
Commonly Asked Questions
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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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Frequently Asked Questions
What is the design of the optical signal for this terminal?
The terminal features a blinklight design for its optical signal, providing clear and noticeable indication.
Can this terminal operate with both AC and DC voltage?
Yes, the terminal is designed to operate with both AC and DC voltage, specifically at a rated value of 24V.
What is the operating frequency for this terminal?
The operating frequency for the terminal is 50 Hz at its rated value for AC, and it can also operate at 60 Hz.
What is the consumed current for this terminal at its rated supply voltage?
The terminal consumes a maximum of 35 mA at its rated supply voltage.
What is the service life of the LED in this terminal?
The LED in the terminal has a service life of approximately 100,000 hours.
What material is the terminal made from?
The terminal is constructed from polycarbonate (PC), known for its durability and resistance to impact.
What colour is the optical signal element of this terminal?
The optical signal element of the terminal is yellow, providing a bright and visible indication.
What is the ambient operating temperature range for this terminal?
The terminal can operate within an ambient temperature range of -20 to +50 degrees Celsius.
What protection class does this terminal fall under?
The terminal is rated with an IP65 protection class, indicating a high level of protection against dust and water ingress.
What is the flash frequency of the LED light source in this terminal?
The LED light source in the terminal has a flash frequency of 1 Hz.
What are the dimensions of this terminal?
The terminal has an outer diameter of 70 mm, with a height of 65.5 mm and a width of 70 mm.
How is this terminal mounted?
The terminal utilises a bayonet mounting type for secure and straightforward installation.
