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5PCS KSD301 Copper Thermostat Bimetal Normally Closed M4 Snap Disc Temperature Switch 250V

Relay Control Module 15 Channel RS485 RS232 PLC DO PC UART Serial Switch Board DC24V

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LED Display Digital Timer Relay PLC Automation Control Switch Module (12V)

PLC Expansion Board 16 Input 16 Output DC 6.5 To 30V Maximum 19200BPS RS485 Remote Control Switch

WiFi Temperature Humidity Switch Module Dual Relay Output with Temperature Probe 90‑250V for TUYA

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32 Channel RS485 Relay Serial Port Remote Control Switch PLC Board with Rail Box 12V

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DC 624V RS485 RS232 (TTL) RTU Control Module UART Relay Switch Board PLC Support for Modbus

Effective and Adjustable Temperature Switch Heating Bimetal Thermostat KST168

4G 4 Channel GSM Remote Control Relay Switch APP WEB SMS Alarm Controller for Temperature Humidity

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PLC Amplifier Board High Sensitivity High Performance Fast Switching 2 Channel Relay Module

XH-W1401 DC 12V Digital Temperature Controller Switch Module Waterproof - ℃

EWELINK Wifi Smart Temperature Switch Module APP Remote Control 50/60Hz Automation Work With Alexa Google Assistant

DC12V PWM Speed Controller Fan Speed Governor 2-3 Wire Computer Temperature Control Switch for PC CPU Cooler Fan Alarm

Temperature Sensitive Switch Relay Module Moisture Control

Module NT18B07 7‑Channel Board RS485 for Temperature Snesor Paperless Recorder PLC 6‑24V

Module Temperature Controller Regulator Thermostat NTC Temperature Control Switch W1209

ZFX-W3020 Digital Intelligent Temperature Time Controller Thermostat Timer Switch Module -55~110 ℃ Time Controller

Fan That Cools the Switch Heat Countermeasures Exhaust Heat Temperature Display Variable Air Volume Change Cooling Organic EL Nintendo Switch

DC 12V Thermostat Temperature Controller Switch Board Digital Display 10A Relay