The twilight relay with integrated time switch, type 11.91, performs the "daily time switch" function with programmable switch-off/on times. It has an auxiliary output which is directly controlled by the photoelectric lighting function. It also has an internal battery for configuration and programming without power supply and for time/program maintenance in case of black-out.
Features:
- Finder Series
- Auxiliary output (controlled by the twilight switch) for power module 19.91
- 2 modules with DIN connection
- Minimum switching load 1000 (10/10) mW (V/mA)
- Standard contact material AgSnO2
- Operating range V AC (50 Hz) (0.8...1.1)UN - in DC (0.8...1.1)UN
- Electrical service life at nominal load in AC1 100 - 10 cycles
- Switching threshold adjustment "Standard" scale 1...150 lx
- Hysteresis (switch-on/off ratio) Δ = 3 lx
- Trip time: on/off 25/50 s
- Ambient temperature: -20...+50°C
Degree of protection:
- Twilight IP20
- Photosensor IP54
Lamp capacity:
- incandescent/halogen 230V 2000W
- fluorescent with electronic ballast 1000W
- fluorescent with rephased electromagnetic ballast 750W
- CFL 400W
- LED 230V 400W
- halogen or BT LED with 400W electronic transformer
- halogen or BT LED with electromagnetic transformer 800W
Advantages:
- Daily time switch function, with programmable off/on times
- Auxiliary output controlled directly by the twilight function
- Italian patent "Compensation of the influence of the controlled lights" that facilitates installation and use - Sensitivity adjustment from 1 to 150 lux - LCD display for viewing, configuration and programming
- Internal battery for configuration and programming without power supply and for time/program maintenance in case of black-out (5 years)
- Low stand-by power consumption
- SELV separation between power supply circuit and contacts
- Double insulation between power supply and light sensor - 35 mm rail mounting (EN 60715)
- Cadmium-free contacts
- Cadmium-free light-sensor element (IC photo diode)
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