Panasonic EE8123-821 is a compact automatic daylight switch used for energy-efficient control of lighting systems. It automatically turns lamps ON when brightness drops below preset levels and OFF when daylight returns. Designed for residential and small commercial installations, it offers surge protection, high-speed response, and durable performance.
Features
- Automatic switching based on ambient light intensity
- Compact and reliable design with fast response
- Integrated arrester for lightning surge protection
- Prevents false operation from headlight glare or artificial light
- Suitable for showcases, gates, signage, and garden lighting
Technical specifications
| Model | EE8123-821 |
| Type | Automatic daylight switch |
| Operating voltage | 210–250 VAC, 50/60 Hz |
| Load current capacity | 3 A (max) |
| Light level (ON / OFF) | Approx. 40 lux / 120 lux |
| Power consumption | < 6 mA |
| Protection | IP65 weatherproof housing |
| Mounting | Wall/pole surface mount (downward facing) |
| Body material | UV-resistant polycarbonate |
| Operating temperature | -20 to +60 °C |
| Maximum lamps controlled directly | Incandescent: up to 10 × 60 W Fluorescent: up to 6 × 40 W Mercury: up to 3 × 80–125 W or 1 × 250 W |
| Applications | Gate lamps, showcases, street signs, and small outdoor lighting systems |



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