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B20 @H-FDD: 790MHz
diesel exhaust fluid
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administrators can know if the UVC lamp is operating efficiently and make sure it won't work an unexpected time
Industrial RS485 4-ch High Current 30A Relay with RS485 ODYSSEY B20 @H-FDD: 790MHzIndustrial Modbus RTU 4 ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits, Industrial Grade Rail Mount Case Features: This is an industrial 4 ch relay module controlled via RS485 bus, utilising Modbus RTU protocol. It features embedded protection circuits such as power isolation, ADI magnetic isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS enclosure. The Modbus