Phase unbalance relays  (560 offers of 2,479,181 product items)

Voltage monitoring relay, Dimensions W x H x D: 38 x 51 x 67 mm, Operating temperature: -25...+55 °C, Voltage measurement range, AC: 280...520 V, Rated output: 250 VAC / 5 A, Tripping delay: 0.1 - ...

Manufacturer: LUMEL Mounting: on panel Rated voltage: 100V;57.7V Input: Pt 100/Pt1000 x2 Output: relay x8 Operating temperature: 0...50°C Kind of display used: LCD TFT 5,6" IP rating: IP65 (from th...

The CM-ESS.2P is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and h...

Shelly Plus 2PM is a one-phase, two channel smart relay supporting up to 10A per channel and 16A total current (18A peak). It is equipped with two power meters for each channel and an overpower pro...

Voltage monitoring relay, Dimensions W x H x D: 17.5 x 87 x 65 mm, Operating temperature: -25...+55 °C, Operating voltage: 24 VAC/DC, 230 VAC, Switching capacity: 5 A @ 250 VAC, Switching hysteresi...

Manufacturer: LOVATO ELECTRIC Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT IP rating: IP20 at terminal side Supply voltage: 440...480V AC Leads: screw te...

The CM-ESS.2S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 110 - 130 V AC and has a...

Monitoring relay for monitoring phase sequence, phase failure and asymmetry, 342 ... 457 V AC, supply from measurement supply, 2 PDTs

Voltage monitoring relay, Frequency range: 50...60 Hz, Operating temperature: -20...+60 °C, Rated output: 250 VAC/10 A, Voltage measurement range, AC: 170...270 VAC, Operating voltage type: Single ...

Monitoring relay for monitoring 3-phase voltages of 280...520 V AC, window, with neutral conductor connection, supply voltage can be selected using power module, 1 PDT

Manufacturer: LUMEL Mounting: on panel Rated voltage: 230V;400V Input: logic inputs x6;Pt 100/Pt1000 x2 Output: relay x4 Operating temperature: 0...50°C Kind of display used: LCD TFT 5,6" IP rating...

The CM-ESS.2S is a single-functional voltage monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and h...

Voltage monitoring relay, Frequency range: 50...60 Hz, Operating temperature: -20...+60 °C, Rated output: 250 VAC/6 A, Voltage measurement range, AC: 208...480 VAC, Operating voltage type: 3-phase,...

Monitoring relay for monitoring 3-phase voltages of 160 ... 300 V AC, undervoltage, window, phase sequence, phase failure, asymmetry, wide-range power supply unit, 2 PDTs

Manufacturer: LUMEL Mounting: on panel Rated voltage: 100V;57.7V Input: Pt 100/Pt1000 x2 Output: relay x8 Operating temperature: 0...50°C Kind of display used: LCD TFT 5,6" IP rating: IP65 (from th...