The Matelec FSW-12220 is a heavy-duty programmable twilight switch designed for automated outdoor lighting control. Using advanced photoelectric-cell technology, it switches lighting loads on or off based on changing ambient light, making it ideal for dusk-to-dawn applications.

Built to withstand tough environments, this unit is IP66 weatherproof and features a UV-stabilised acrylic lens. It allows for adjustable lux and time-on settings, so you can fine-tune its operation to suit your needs. Clear LED indicators show operating status, making setup and troubleshooting simple.

Installation is user-friendly, with large terminal connections, multiple cable entry points, and captive stainless steel screws to avoid parts being lost during setup. Designed for wall mounting, it’s perfect for residential, commercial, or industrial use where reliable outdoor lighting control is required.

• IP66 Weatherproof Housing – Fully sealed for long-lasting outdoor performance
• Adjustable Lux & Timer Settings – Set light activation between 20–200 Lux and control how long it stays on
• LED Status Indicator – Provides instant feedback on operating mode
• 16A Heavy-Duty Switching – Handles up to 15A resistive and 3600VA inductive loads
• Flexible Install Design – UV-stable square body (82.5 x 82.5 x 54.5mm) with multiple cable entries
• Easy Installation – Retrofit-ready and fits the HPM-style base, and can remove the face/lens of the old PE Cell, then connect the new switch.

Q: What type of loads can this twilight switch control?
A: It supports resistive loads up to 15A and inductive loads up to 3600VA—ideal for lighting, signage, or outdoor devices.

Q: Can I adjust when the switch activates?
A: Yes, the lux sensitivity is adjustable from 20 to 200 Lux, letting you tailor its response to your environment.

Q: Is this switch suitable for outdoor use?
A: Yes, it's fully IP66 rated and UV stabilised for reliable performance in exposed outdoor settings.