The Siemens SIRIUS green single-flash light element has diameter 50 mm. It has integrated flashing light electronics hence additional filament lamp or LED is not required. It operates on 24 VDC.
Modules that can be flexibly combined: Can be stacked up to 4 high (for 8WD42) Simple connection and fast lamp change using a mechanically and electrically secure and vibration-proof bayonet catch Communications-capable via an AS-Interface connection LEDs with an exceptionally long life Extremely resistant to shock and vibration Customizable options: continuous, blinking and flashing light, buzzers, sirens and LED elements