Siemens SIRIUS Buzzer, 24 V dc
- RS Stock No.:
- 1248921
- Mfr. Prt No.:
- 8WD4420-0EA
- Brand:
- Siemens
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 1248921 |
| Product description | Siemens SIRIUS Buzzer, 24 V dc |
| Manufacturer / Brand | Siemens |
| Manufacturer part number | 8WD4420-0EA |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 1248921 |
| Product description | Siemens SIRIUS Buzzer, 24 V dc |
| Manufacturer / Brand | Siemens |
| Manufacturer part number | 8WD4420-0EA |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 25, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: DE
Product Details
Siemans SIRIUS 8WD4 Siren Element
SIRIUS 8WD4 siren element for modular installation of signalling columns, e.g. for visual and/or acoustic warning devices or for the control of complex processes.
Thanks to the high degree of protection, the rugged devices are suitable for industrial use and are extremely resistant to shocks and vibrations. The secure bayonet mechanism allows easy installation as well as quick replacement of the acoustic elements. Acoustic elements can be adjusted in tone and volume.
In addition to a continuous light, flashlights, blink lights and rotating lights are available in various colours and voltages, as well as buzzers and sirens. They can be supplied with various diameters, optionally also with communication capability through connection to AS-Interface Optimum light distribution is achieved by using several LEDs in one light module.
Feet, pipes, adapters, incandescent lamps, LEDs and pipe adapters are available as accessories.
Features and Benefits
- Modular Installation
- Compact design
- Rugged reliable construction
- Shock and vibration resistant
- Adjustable acoustic elements
- IP65 Rated
- 102 dB output
Applications
- Industrial signalling columns
- Audio warning devices
- Visual warning devices
- Complex process control
Specifications
| Attribute | Value |
| Brand | Siemens |
| Application Type | Siren |
| Supply Voltage | 24 V dc |
| Special Features | Advanced Design, Improved Illumination, Thermoplast Enclosure |
| Current Type | DC |
| Series | SIRIUS |