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Security & Protection - Building Automation

19 633 results.
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RS-PH-N01-3-*-EX 0-14ph Glass Electrode Method RS485 Output Industrial Water Ph Sensor

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RS232 to RS485 RS422 Conversion Adapter Converter DB9 Com Connector 600W Surge Protection UT-216

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HF2211 Serial to WiFi RS232/RS485/RS422 to WiFi/Ethernet Converter Module for Industrial Automation Data Transmission HF2211A

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CWT-MB318F 4PT+4AI+4AO+8DI+6DO RS485 RS232 Ethernet Modbus Rtu Tcp Io Acquisition Module

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50PCS China Sensor GBeelee BL-2030 Free Samples Door Tilt Switch Sensor With High Sensitivity Motion Sensor Vibration Switch

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2PCS 10/100/1000Mbps Gigabit Optical Single Fiber Gigabit Transceiver-SFP Media Converter

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GINRI DVRD-48 48V DC 2CO OverVoltage Undervoltage Monitor Relay Voltage Protection Relay

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UOTEK UT-2017 RS-232 to RS-485 Isolated Serial Converter with Isolation

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3PCS Single Phase Mini Modular Voltmeter Ammeter Din Rail LED Indicator Digital AC 80-500V 220V 380V 100A Power Meters