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Light dependent relays - FINDER
Light dependent relays, commonly referred to as photocell relays or dusk-to-dawn switches, are essential components in outdoor and industrial lighting automation. These devices automatically control lighting circuits based on ambient light levels, typically switching on when darkness falls and off at dawn. Finder's range of light dependent relay...
Light dependent relays, commonly referred to as photocell relays or dusk-to-dawn switches, are essential components in outdoor and industrial lighting automation. These devices automatically control lighting circuits based on ambient light levels, typically switching on when darkness falls and off at dawn. Finder's range of light dependent relays offers robust construction with switching capacities up to 16A at 250V AC, suitable for both resistive and inductive loads. They feature adjustable light thresholds, allowing precise calibration for different environments, and are available in modular DIN rail mount versions for easy integration into electrical panels. The relays incorporate built-in time delays to prevent false triggering from transient light sources like lightning or vehicle headlights, ensuring stable operation in demanding conditions.
These relays are widely deployed in street lighting, parking lot illumination, building facade lighting, and industrial yard lighting systems. They are also used in agricultural applications for greenhouse lighting control and in security systems for automatic perimeter lighting. The DIN rail mount variants are particularly suited for integration into main distribution boards and automation cabinets, while standalone versions with enclosures are ideal for direct outdoor installation. Finder's light dependent relays comply with international standards for electromagnetic compatibility and safety, making them reliable choices for both commercial and residential projects.
The Finder light dependent relay category includes several key subcategories and article codes. The 12.21 series offers basic photocell relays with fixed light thresholds, while the 12.31 series provides adjustable sensitivity and time delay functions. The 12.41 series includes advanced models with remote control capabilities and multiple operating modes. Article codes typically follow the pattern 12.21.8.xxx.xxxx, where the first digits indicate the series, followed by the number of poles and switching configuration. For example, code 12.21.8.230.4000 represents a single-pole relay with 16A rating and 230V AC coil voltage. The 12.31.8.230.4000 model adds adjustable light level and delay settings.
Partnering with Electric Automation Network ensures access to genuine Finder light dependent relays at competitive prices with up to 65% discount off list prices. Our multilingual web portal provides real-time pricing, stock availability, and detailed technical documentation including wiring diagrams and installation manuals. Each order benefits from express worldwide shipping, with most destinations reached within 3-5 business days. Our team of specialized electrical engineers offers personalized technical support for product selection, system design, and troubleshooting, ensuring optimal performance in your specific application.
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