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20pcs Transmission Type Photoelectric Switch Optical Interrupter Photoelectric Sensor Switch Opto Photo Interrupter Switch Slot Optocoupler sold2026 and self locked DIY labels and self locked WP8580309 Dishwasher Door Latch StrikeReplacement Whirlpool The BY H42B6 (Slot Optical Switch) is a gallium arsenide infrared emitting diode which is coupled with a silicon photo transistor in a plastic housing Product Features
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