Phase sequence-change relay  (1,147 offers of 5,372,604 product items)

Acti9 Monitoring Relays. Range of relays for current, voltage and phase control, time delay relays with frontal regulation by trimmer and fault tripping indication

Line Supply and Three Phase Voltage. 3UG4 relays that monitor current, power factor and active current are ideal for monitoring the load of motors and functionality of electronic loads. These devic...

Monitoring Application = Phase Electrical Phase = 3 Voltage Sensing Range = 160 → 690V ac Mounting Type = DIN Rail Phase Sensitivity = Phase Failure, Phase Sequence Series = 3UG4 Maximum Voltage Se...

Line Supply and Three Phase Voltage. 3UG4 relays that monitor current, power factor and active current are ideal for monitoring the load of motors and functionality of electronic loads. These devic...

Single Phase Voltage. 22.5mm wide All devices can be digitally set and have an LCD display, a fault memory can be switched on Simultaneous monitoring for overvoltage and undervoltage over the compl...

When maintaining operating uptime in a data center or server room, sustainable energy efficiency can make all the difference. The implementation of effective power management often involves improve...

The best solution for new home buildings and business facilities Shelly Pro 1PM is a one-phase, 1-channel relay supporting up to 16A. Equipped with an integrated power meter, Shelly Pro 1PM allows ...

This HSV phase monitoring relay from Crouzet has been designed for the control of overspeed, underspeed, operating rate and stopping. Equipped with a host of excellent features, including measureme...

The CM-EFS.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...

The CM-MPN.52S is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 350-580 V AC 50/60 Hz and has a ...

Monitoring relay for load monitoring (cos ϕ = 0,1 ... 1) in 1- and 3-phase networks, underload, overload, window, error memory, wide-range power supply unit, 2 PDTs

Monitoring relay for monitoring 1-phase currents of 0...10 A AC/DC, overcurrent, supply voltage can be selected using power module, 1 PDT

The CM-SFS.21S is a single-functional current 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 ...