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The phototransistor is connected to the SK1 screw terminal (left: collector, right: emitter). Here you can connect a cable leading to the device that should receive the signal (e.g., telephone system, alarm system, dialer). AC voltages cannot be switched. Please observe the polarity! Key Features: Product Color: White; Technical Details: Built-in: No; Compatibility: ALL3000/3500/400x/4500/5000.
€127,95