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Load- and Current monitor, active current with direction, over- and underload, cosfi
Motor load monitors monitor motors for overload and/ or underload. They are...

Phase-sequence Relay, automatic change of wrong phase-sequence
Phase-sequence relays DRR10 measure the sequence of the phases when being switched on and switch - if...

Phase Sequence-Change Relay with integrated monitoring of undervoltage and asymmetry
Phase-Sequence-Change Relays DRR20 measure the sequence of the phases...

Relay for Energy Flow, optimization of consumption of own energy, with integrated webserver, IP-connection, zero export device, measuring transducer for power
...

Frequency- and Speed Relay
with integrated Measuring Transducer
The FRMU1000 is a speed-monitor, a frequency-monitor and a measuring-transducer in one device.
2...

Frequency- and Speed Relay
with integrated Measuring Transducer
The FRMU1000 is a speed-monitor, a frequency-monitor and a measuring-transducer in one device.
2...

Frequency- and Speed Relay
with integrated Measuring Transducer
The FRMU1000 is a speed-monitor, a frequency-monitor and a measuring-transducer in one device.
2...

Phase-Asymmetry Relay for monitoring of Phase-Asymmetry and Phase Sequence
Phase asymmetry relays PS2DK are used for the protection of electric motors...

Monitor for 3-phase, Phase Asymmetry, Phase Sequence, Over- and Undervoltage
Relays for 3-phase networks type PSSW1 monitor 3-phase networks for...

Monitor for 3-phase, Phase Asymmetry, Phase Sequence, Over- and Undervoltage
Relays for 3-phase networks type PSSW1 monitor 3-phase networks for...

Residual Current Monitor for AC-currents in grounded power supply systems
RCM1000V RCM100V monitors residual currents in grounded power supply systems....

Monitoring of Function at Photovoltaic Systems, Detection of Failure at Inverters, 8 inputs
The SolarYes monitors outputs of inverters in PV-systems....

Current Relay adjustable, AC/DC 0,1 - 10 A, Limit 0 - 60 mV, with external shunt
ZIEHL current-relays STW1000 have 4 measuring-ranges. They monitor most...

Limit Relay for DC standard signals 0/4 - 20 mA, 0/2 - 10 V
ZIEHL current-relays STW1000V2 monitor standardsignals from measuring transducers if a...

Current Relay for AC-Detection, 12-channel, 12 open collector outputs, Single evaluation and OR-Circuit, open printed circuit board
The current relay STW12...

Current Relay for Current detection , OR-Evaluation, 12 Inputs, adjustable
Current relays in OR evaluation with 12 inputs, designed e.g. for controlling...