No products
Product successfully added to your shopping cart
Viewed products
-
504.16877 SCAME...
INTERLOCKED SOCKET
-
-
-
084B8013 DANFOSS...
Pack controller
-
-
Twilight switch
Twilight switches, also known as photocell switches or dusk-to-dawn sensors, are essential components in outdoor lighting automation and energy management systems. These devices integrate a light-sensitive photocell that detects ambient light levels, typically operating with a switching capacity ranging from 10A to 16A at 230V AC, with some mode...
Twilight switches, also known as photocell switches or dusk-to-dawn sensors, are essential components in outdoor lighting automation and energy management systems. These devices integrate a light-sensitive photocell that detects ambient light levels, typically operating with a switching capacity ranging from 10A to 16A at 230V AC, with some models supporting up to 250V AC. They feature adjustable lux thresholds, usually from 2 to 2000 lux, and include time delay functions (e.g., 30 to 120 seconds) to prevent false triggering from transient light sources like car headlights. Available in DIN-rail mountable enclosures for panel integration or surface-mount versions for standalone use, twilight switches often include manual override capabilities and LED status indicators. They are designed for single-phase or three-phase systems, with power consumption typically below 2W in standby mode.
Twilight switches are widely deployed in industrial, commercial, and residential applications for automatic control of exterior lighting, including street lighting, parking lots, building facades, security lighting, and billboards. They are also used in agricultural settings for greenhouse lighting control and in public infrastructure for tunnel illumination management. In industrial automation, these switches integrate with building management systems (BMS) and programmable logic controllers (PLC) via auxiliary contacts or analog outputs, enabling centralized control and energy optimization. Their robust IP44 to IP65 ratings ensure reliable operation in harsh outdoor environments.
Key subcategories include adjustable twilight switches with potentiometer-based setpoints, fixed-threshold models for simple on/off control, and multifunctional units with integrated timers or astronomic clocks. Common article codes follow patterns like TWS-10A-230V or DTS-2000-IP65, where the first segment indicates the series (e.g., TWS for Twilight Switch), followed by current rating and voltage. For example, the TWS-16A-230V series offers 16A switching at 230V AC with adjustable lux from 10 to 1000 lux. Other popular codes include the DTS-2000-IP65 with a 2000 lux range and IP65 protection, and the ETS-10A-24V for low-voltage DC applications. These codes typically include suffixes for mounting type (e.g., -DIN for DIN-rail, -SUR for surface mount) and accessory options.
Partnering with Electric Automation Network ensures access to genuine twilight switches from leading manufacturers, with real-time pricing and stock availability. Our engineering team provides personalized technical support for selection, integration, and troubleshooting, including load calculations and wiring diagrams. We offer express worldwide shipping with tracking, ensuring minimal downtime for your projects. Benefit from detailed technical documentation per article, including datasheets and installation manuals, to streamline procurement and maintenance.
All ratings we receive from the items we offer are real and verified. A small gesture, but a lot of value. That's why we thank you for that minute you invest in leaving us your opinion and qualification about the products, because it helps us to continue improving and to offer you a service of even higher quality.