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... provides different monitoring functions including over-/undervoltage and over-/underfrequency as well as rate of change of frequency (RoCoF) and vector shift monitoring functions, which ...
Trigger voltage: 110, 230, 400 V
... Voltage, generator frequency and network measurement and display (TRMS), including the unbalance between the generator and the network. Automatic synchronisation by simply programming the contactor closing time. Wide ...
With the speed and frequency monitor UH 6937 from the SAFEMASTER S Series, DOLD offers an efficient, economic solution for safe, sensorless drive monitoring. Monitoring the output frequency ...
DOLD
... galvanic separated Modbus RTU interface • Voltage monitoring (1- or 3-phase) • Current monitoring • Frequency monitoring • Power factor cos phi • Phase sequence, ...
DOLD
Features • Multifunction measuring relay acc. to EN 60255-1 • Voltage monitoring (1- and 3-phase) • Current monitoring • Frequency monitoring • ...
DOLD
Trigger voltage: 24, 42, 115, 230 V
FSN Frequency and pulse rate measuring relays complete the ISN pulse rate measuring relay with high frequencies. Three threshold ranges from 100 Hz to| 120 kHz can be selected.
Trigger voltage: 24, 115, 230 V
This is the Klaschka relay for measuring frequency of about 0.4 kHz at maximum. It monitors motors that are driven by static frequency converters. It comes with an adjustable threshold ...
Tripping current: 0.1 A - 5 A
Trigger voltage: 250 V
... A - For installation in electrical distributor DIN rail mounting 1 phase Current monitoring AC Current monitoring DC Phase loss monitoring Frequency monitoring Treshold ...
Monitoring of all static 3-phase parameters: Over / Undervoltage, Sequence, Asymmetry, Frequency. Monitoring of dynamic parameters: df/dt (ROCOF) and Phase angle fault. Programmable ...
COMADAN
Trigger voltage: 208 V - 480 V
... Delta Monitoring Relay, Sequence and Phase Loss, 2 SPDT Relay Outputs, IP20, DIN-rail mounting, Measuring Range 177 to 550Vac, 22.5x83.5x99.5mm housing Specifications Mounting Industrial ...
CARLO GAVAZZI
Trigger voltage: 600 V - 690 V
3-Phase Delta Monitoring Relay, Sequence and Phase Loss, 2 SPDT Relay Outputs, IP20, DIN-rail mounting, Measuring Range 510 to 760Vac, 22.5x83.5x99.5mm housing Specifications Mounting Industrial ...
CARLO GAVAZZI
Trigger voltage: 208 V - 240 V
... Phase Delta Monitoring Relay, Sequence and Phase Loss, 1 DPDT Relay Outputs, IP20,22.5x83.5x99.5mm housing Specifications Mounting Industrial DIN-rail Function Phase sequence; Phase ...
CARLO GAVAZZI
• Undervoltage, overvoltage and frequency monitoring of AC/DC systems 0…300 V • Various monitoring functions selectable U, f • Adjustable start-up delay, response delay and delay ...
BENDER
• Undervoltage, overvoltage and frequency monitoring of AC/DC systems 9.6…150 V (VME421H-D-1), 70…300 V (VME421H-D-2) • Integrated energy storage, is supplied by the system being monitored • Various ...
BENDER
• Undervoltage, overvoltage and frequency monitoring in 3(N)AC systems 0…500 V • Various monitoring functions selectable U, f • Asymmetry, phase failure and phase sequence monitoring • ...
BENDER
... Series relay is a frequency monitoring relay with four stages of adjustable frequency pick up & drop out points. Each frequency ...
Trigger voltage: 110 V - 440 V
The Frequency Monitoring Relay is manufactured with monitor frequencies that have three signals which are Sine, Square, and Triangular. This unit can work with different ...
Tripping current: 4 A
... reactive power, apparent power and power factor • + active energy, – active energy, inductive energy, – capacitive energy • frequency, phase angle. • The voltage inputs of the equipment are resistor networks (nonisolated) ...
... electromechanical relay which is energized when the line frequency is correct. Operating power is drawn from the same line being monitored. The Model 292 is set to the over and/or under frequency ...
Synchronism Relay with LED to contact 96x96mm Configurable by keyboard Measure and display synchronism parameters Voltage difference percentage Frequency difference percentage Phase angle Manual, ...
Trigger voltage: 200 V - 500 V
... Wye systems need no attachments to neutral. However, the SLU-0200 Monitor transmissions are not ideal for changeable frequency drive applications.
Limit value switch for frequency (square wave signal). Simple application; for rough environments. Limit value freely adjustable by drum scale. Open-circuit or closed-circuit devices available. Compact and robust ...
NORIS Group GmbH
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