🔹 Siemens SIRIUS 8WD Continuous Light Element – 8WD4400-1AC (Yellow, 70 mm Diameter, 12–230V AC/DC, BA15d Base, IP65)
The Siemens 8WD4400-1AC is a SIRIUS 8WD modular continuous light element designed for visual signaling and status indication in industrial automation systems. As part of the SIRIUS 8WD signaling column series, it provides highly visible continuous illumination for machine status monitoring, process indication, and warning applications.
This model features a yellow signal lens with a 70 mm diameter housing, ensuring clear visual indication in industrial environments where operational status and safety signaling are critical.
The unit supports a wide 12–230V AC/DC operating voltage range, making it suitable for a variety of industrial control systems and signaling tower configurations.
Designed with a BA15d lamp base, the module is supplied without a light source, allowing users to install compatible LED or incandescent lamps according to specific application requirements.
Its rugged polycarbonate construction and IP65 protection rating provide excellent resistance against dust, moisture, and harsh industrial conditions. The integrated bayonet mounting mechanism enables quick installation and easy replacement within modular signaling towers.
Built on Siemens' modular signaling platform, the 8WD4400-1AC can be combined with optical and acoustic modules to create customized signaling solutions for industrial automation and machine control systems.
• Genuine Siemens SIRIUS 8WD Signaling Component
• Model: 8WD4400-1AC
• Continuous light signaling element
• Yellow optical signal indication
• Wide operating voltage: 12–230V AC/DC
• 70 mm diameter signaling module
• BA15d lamp socket design
• Compatible with LED or incandescent lamps
• Supplied without light source
• IP65 protection rating
• Bayonet mounting system for easy installation
• Modular design for signaling tower integration
• Rugged polycarbonate housing
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 8WD44 |
| Model Number | 8WD4400-1AC |
| Product Type | Continuous Light Element |
| Signal Type | Continuous Light |
| Color | Yellow |
| Operating Voltage | 12–230V AC/DC |
| Diameter | 70 mm |
| Lamp Base | BA15d |
| Light Source | Not Included |
| Housing Material | Polycarbonate (PC) |
| Protection Rating | IP65 |
| Mounting Method | Bayonet |
| Operating Temperature | -20°C to +60°C |
| Brand | Siemens |
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