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- Frequency monitoring relay
Frequency monitoring relays
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... 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 on release Password protection ...
BENDER GmbH & Co KG
... 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 monitoring ...
BENDER GmbH & Co KG
... 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 Adjustable ...
BENDER GmbH & Co KG
... 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, phase failure • ...
DOLD
... Features • Multifunction measuring relay acc. to EN 60255-1 • Voltage monitoring (1- and 3-phase) • Current monitoring • Frequency monitoring • Power factor cos ...
DOLD
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 range of frequencies ...
Tripping current: 4 A
... per each phase • +active energy, -active energy, inductive energy, capacitive energy per each phase and per 3 phase • frequency, phase angle, line voltages, phase angles between phase voltages. The voltage inputs of the equipment ...
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) and the ...
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 that is right enough ...
... Series relay is a frequency monitoring relay with four stages of adjustable frequency pick up & drop out points. Each frequency set point can be ...
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 auxiliary voltage ...
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 DIN-rail Function Phase ...
CARLO GAVAZZI
... Synchronism Relay with LED to contact 96x96mm Configurable by keyboard Measure and display synchronism parameters Voltage difference percentage Frequency difference percentage Phase angle Manual, assisted, automatic ...
... Monitoring of all static 3-phase parameters: Over / Undervoltage, Sequence, Asymmetry, Frequency. Monitoring of dynamic parameters: df/dt (ROCOF) and Phase angle fault. Programmable functions, ranges ...
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. ...
... Universal speed relay for all speed monitoring applications Intuitive user configuration using control buttons and LCD display Relay and solid state outputs with individual speed range monitoring Supports ...
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