Why Choose the Finder 10.51.8.120.0000 Twilight Switch?
The Finder 10.51.8.120.0000 is a reliable twilight switch designed for automatic lighting control by detecting ambient light levels and switching connected lighting loads when daylight conditions change. Part of the proven Finder Series 10, it provides an efficient and practical solution for outdoor lighting automation and energy-saving installations.
This automatic light control device combines a built-in light sensor with adjustable sensitivity, allowing precise adjustment of switching thresholds according to installation requirements. Its compact wall or pole mounting design and robust IP54 protection rating make it suitable for dependable operation in outdoor environments.
With a 120 V AC supply and a switching capacity of 12 A at 250 V AC, the Finder 10.51.8.120.0000 is ideal for controlling street lighting, garden lighting, security lighting and other automatic illumination systems.
Key Advantages
Automatic twilight switch for outdoor lighting control.
120 V AC supply voltage for compatible electrical installations.
12 A switching capacity for reliable lighting control.
Integrated adjustable light sensor for customised operation.
IP54 protection rating for outdoor installation environments.
Compact enclosure suitable for wall or pole mounting.
Key Features
Finder Series 10 twilight switch.
120 V AC operating supply.
SPST-NO output contact.
250 V AC / 12 A switching capability.
Adjustable sensitivity range for light detection.
Built-in light sensor.
15 s operate time.
30 s release time.
Wall or pole mounting installation.
Reliable Automatic Lighting Control
Twilight switches such as the Finder 10.51.8.120.0000 improve energy efficiency by automatically controlling lighting based on surrounding light conditions. This helps reduce unnecessary operation during daylight hours while ensuring lighting activates when required.
The Finder Series 10 provides dependable automation solutions for outdoor and building lighting systems. Its adjustable sensor settings, compact enclosure and robust construction allow flexible integration into modern electrical installations.
Typical Applications
Street and public lighting systems.
Outdoor security lighting.
Garden and pathway lighting.
Commercial building illumination.
Shop window and signage lighting.
Automatic energy-saving lighting systems.
Technical Specifications
Manufacturer
Finder
Series
10.51
Model
10.51.8.120.0000
Product type
Twilight switch
Supply voltage
120 V AC
Output configuration
SPST-NO
Switching voltage
250 V AC
Switching current
12 A
Protection rating
IP54
Mounting type
Wall / pole mounting
Operating temperature
-30 to +70 °C
Dimensions (H × W × D)
81 × 37 × 36.8 mm
Frequently Asked Questions
What is the Finder 10.51.8.120.0000 used for?
This twilight switch automatically controls lighting by detecting ambient light levels and switching connected loads accordingly.
What supply voltage does this twilight switch require?
The Finder 10.51.8.120.0000 operates from a 120 V AC supply.
What is the maximum switching capacity?
The device provides switching capability up to 12 A at 250 V AC.
Is the light sensitivity adjustable?
Yes, the built-in light sensor includes adjustable sensitivity settings for customised lighting control.
Where can this twilight switch be installed?
The device is designed for wall or pole mounting and is suitable for outdoor lighting applications with its IP54 protection rating.
Trusted for Automated Lighting Control
Finder Series 10 twilight switches are widely used for reliable automatic lighting management, improved energy efficiency and dependable operation in outdoor electrical installations.
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Manufacturer
Finder
Series
10.51
Model
10.51.8.120.0000
Product type
Twilight switch
Supply voltage
120 V AC
Output configuration
SPST-NO
Switching voltage
250 V AC
Switching current
12 A
Protection rating
IP54
Mounting type
Wall / pole mounting
Operating temperature
-30 to +70 °C
Dimensions (H × W × D)
81 × 37 × 36.8 mm
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...