Twilight Switch TS-52-3
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Twilight Switch TS-52-3 – External Sensor in IP65 Enclosure, 9–30V DC Lighting Control
The TS-52-3 twilight switch is designed for automatic activation of devices such as lighting posts, street lamps, building illumination, and advertising signs at dusk, and automatic deactivation at dawn.
The device is suitable for DC installations 9–30V, making it ideal for modern energy-efficient lighting systems. The logarithmic adjustment range 1–1000 lx and high inrush current tolerance of 100A ensure reliable operation even under fluctuating light conditions.
Applications
TS-52-3 is ideal for:
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Lighting posts and street lamps powered by DC
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Street and garden lighting
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Building and window illumination
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LED advertising signs and systems
Supported Loads
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LED, energy-saving, incandescent, and halogen lamps
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Resistive DC loads 9–30V
Key Features
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Switching capacity: 5 A, 9–30V DC
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High inrush current tolerance – 100A
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Galvanically isolated relay contact (NO) – flexible wiring options
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Logarithmic activation adjustment:
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1–10 lx – energy-saving range
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10–100 lx – standard range
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100–1000 lx – high illumination activation range
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Proportional hysteresis – prevents false switching in variable light
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LED indicators:
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Green – power supply present
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Red (blinking) – illumination threshold exceeded
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Blue – relay switched (1–2)
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60 s activation delay prevents false triggers from brief light flashes
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Controller dimensions: 36 × 42 × 15 mm
Installation
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IP65 sensor in enclosure with cable gland, wall or vertical surface mount
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Cable length up to 1000 m (2 × 0.5 mm²)
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Optimal installation facing east or southeast
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Avoid placing the sensor directly in the lamp beam
Safety
Installation must be performed by a qualified electrician. Proper protective devices must be used.
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