• Siemens 7LQ2 Twilight Switch with Light Sensor (1 MW)
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Siemens 7LQ2 Twilight Switch with Light Sensor (1 MW)

Siemens 7LQ2 Twilight Switch with Light Sensor (1 MW)

The Siemens 7LQ2 twilight switch monitors ambient brightness and switches lighting systems on and off automatically.

Key features

  • 1 NO contact, 16 A at 230 V AC
  • Luminosity setting 1-100000 lux, ON/OFF delay approx. 90 s
  • Lamp loads up to 2000 W incandescent/halogen, 1000 W energy-saving
  • External surface-mounted light sensor IP65 included; available as spare part 7LQ2920
  • Width 17.5 mm (1 MW), DIN-rail mounting

Specifications

Series 7LQ2
Rated operational voltage 230 V AC
Rated frequency 50/60 Hz
Standards EN 60669-1
Degree of protection IP30 (device)
Source Siemens Catalog LV 10 · 2026, p. 882
7LQ2300 Item: Twilight switch with light sensor | Rating: 230 V AC, 16 A, 1 NO | Detail: 1-100000 lux, ON/OFF delay approx. 90 s
7LQ2920 Item: Light sensor (spare part) | Rating: IP65, -20 to +70 °C | Detail: Surface mounting
Monitoring RelaysSiemens
2 product codes available in this family
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Siemens 7LQ2 Twilight Switch with Light Sensor (1 MW)

Brand Siemens·Monitoring Relays

Available part numbers (2)

7LQ2300, 7LQ2920

How to order

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Product codes & specifications
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Product codeSpec
7LQ2300Item: Twilight switch with light sensor | Rating: 230 V AC, 16 A, 1 NO | Detail: 1-100000 lux, ON/OFF delay approx. 90 s
7LQ2920Item: Light sensor (spare part) | Rating: IP65, -20 to +70 °C | Detail: Surface mounting

Need a different model, or a part not listed here? Send us your parts list →

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