Mains monitoring relays  (22,619 offers of 2,641,972 product items)

Signal relay, Dimensions L x W x H: 20.5 x 10.1 x 11.5 mm, Temperature range: -25...+65 °C, Connection: THD, Contact material: Ag+Au plated, Contacts: 2 change-over (CO), Pitch: 2.54 mm, Protection...

Automated meeting room control Control from room sensor or HDMI connection, CEC, RS-232 and IR, Relay control Enter meeting room or connect cable to your computer and all starts up automatically fo...

The best solution for new home buildings and business facilities Shelly Pro 2PM is a one-phase, 2-channel relay, supporting up to 16A per channel with a total device capacity of 25A. Shelly Pro 2PM...

Signal relay, Dimensions L x W x H: 15 x 7.4 x 9.9 mm, Temperature range: -40...+70 °C, Connection: THD, Contact material: Ag+Au plated, Contacts: 1 change-over (CO), Pitch: 2.54 mm, Protection rat...

The CT-APS.21S is a single-function electronic time relay from the CT-S timer range. It provides an OFF-delay (delay on break) function with 10 time ranges from 0.05 s to 300 h. This time relay ope...

Signal relay, Dimensions L x W x H: 10.6 x 5.7 x 9 mm, Temperature range: -40...+85 °C, Connection: THD, Contact material: Ag+Au plated, Contacts: 2 change-over (CO), Pitch: 3.2 mm/2.2 mm, Protecti...

The CT-APS.12P is a single-function electronic time relay from the CT-S timer range. It provides an OFF-delay (delay on break) function with 10 time ranges from 0.05 s to 300 h. This time relay ope...

Wi-Fi-operated smart switch, 1 channel 8 A The smallest relay switch in the world for smart control. Automate your lights, garage door, irrigation system, or other small electrical appliances in le...

Signal relay, Dimensions L x W x H: 20.5 x 10.1 x 11.5 mm, Temperature range: -25...+70 °C, Connection: THD, Contact material: Ag+Au plated, Contacts: 2 change-over (CO), Pitch: 2.54 mm, Protection...

Signal converter with Manual-Auto switch 24-240 V AC/DC, 3-way separation input: 0-10 V, 0/4-20 mA output: 0-10 V, 0/4-20 mA screw terminal

Signal relay, Dimensions L x W x H: 15 x 7.4 x 9.9 mm, Temperature range: -40...+70 °C, Connection: THD, Contact material: Ag+Au plated, Contacts: 1 change-over (CO), Pitch: 2.54 mm, Protection rat...

Dual Relay Wi-Fi Smart Switch with Power Metering Smart control module operate for lights, appliances and motorized facili ties.The first smart switch with TUV certification has a high-level of qua...

Signal relay, Dimensions L x W x H: 20.2 x 10.1 x 8.4 mm, Temperature range: -40...+70 °C, Connection: THD, Contact material: Ag+Au, Contacts: 2 change-over (CO), Pitch: 2.54 mm, Protection rating:...

The CT-ARS.21S is a single-function electronic time relay from the CT-S timer range. It provides an OFF-delay (true delay on break) function without auxiliary voltage and with 10 time ranges from 0...

Control and measure power consumption for wide range of home appliances and office equipment (lights, power lines, security systems, heating radiators, air conditioners, etc.) from anywhere with th...