WR- Series 2-Wire Switches
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Douglas 2-wire switches utilize internal diodes to provide an ON or OFF pulse
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All switches in a station can connect to the same 24VAC power common and switches can connect to multiple relays, minimizing wiring
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White terminal of a switch connects to 24VAC source, red terminal connects to relay(s)
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LED indicator switches (green = OFF, red = ON) require no additional wiring
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LED indicator switches include a space inside the cap for a switch label
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Douglas 2-Wire switches include:
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WR-8001 (rocker switch)
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WR-8121 (toggle switch)
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WR-8124 (toggle key switch)
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WRK-8201 (key switch)
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WR-8292 (lockout switch)
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WR-8301 (foot switch)
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WR-8321 (vandal proof switch)
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WR-8501 (LED switch
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WR-8503 (3-LED switch module)
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Switches are designed to fit into into standard Douglas hardware. Different types of switches can be installed within the same wall box
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Douglas also provides dry-contact switches for signaling other systems and/or devices