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... 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
... overvoltage and frequency monitoring in 3(N)AC systems 0…500 V Integrated energy backup Asymmetry, phase failure and phase sequence monitoring Adjustable start-up delay, response delay ...
BENDER GmbH & Co KG
... period, will cause the alarm relay to switch. The voltages are measured as r.m.s. values. In addition asymmetry, phase failure and phase sequence are monitored. The VMD423 is suitable for multifunctional ...
BENDER GmbH & Co KG
Tripping current: 6, 10, 30 A
... that allow monitoring of undervoltage and overvoltage, phase sequence and phase failure. Features include (according to Type): • Multifunctional types, providing the flexibility of monitoring ...
Trigger voltage: 0 V - 500 V
... electronic monitoring relays! Whether for monitoring voltage, phase sequence, current, insulation, true power, temperature, standstill or fault voltage, you will find the right device ...
Trigger voltage: 24 V
... Voltage monitoring relay, to monitor overvoltage and undervoltage values, and the phase sequence in 3- phase supplies, 40 -400 Hz, measuring voltage 400/440 V AC, width 22.5 mm, UB = 24 ...
... a fast linear trip is required. All of the overload relays provide unsurpassed protection by combining overload, voltage, phase loss and reversal, voltage and current unbalance, power monitoring, and ...
Littelfuse
... Monofunctionalmodels RPW-SF: Phase sequence relay RPW-FF: Phase loss relay RPW-FSF: Phase sequence and loss relays Multifunctional models ERWT-VM1 ...
Trigger voltage: 12 V - 24 V
... PRO relay monitors undervoltage to protect motors and equipment from being damaged by blowouts. The multi timer can sense a maximum voltage of 24 V DC and has a single pole double throw (SPDT) contact configuration. A ...
... SEL-321-5 Phase and Ground Distance Relay The SEL-321-5 Relay is designed especially for EHV and HV applications on 50 Hz systems. The relay provides enhanced single-pole tripping, ...
Schweitzer Engineering Laboratories
... Electronic measurement and monitoring relays for measuring input quantities such as current, voltage, phase, cos Phi, temperature and isolation resistance. Our relays perform monitoring ...
... separated Modbus RTU interface • Voltage monitoring (1- or 3- phase) • Current monitoring • Frequency monitoring • Power factor cos phi • Phase sequence, phase ...
DOLD
... Features • Multifunction measuring relay acc. to EN 60255-1 • Voltage monitoring (1- and 3- phase) • Current monitoring • Frequency monitoring • Power factor cos ...
DOLD
... SLS (safely limited speed), SSM (safe speed monitoring), SSR (safe speed range) and SDI (safe direction) in accordance with EN 61800-5-2. Advantages and customer benefits - Direction of rotation monitoring ...
DOLD
Trigger voltage: 300 V - 500 V
... threshold reach, phase cut-off, and asymmetry. - Relay switching: The relay switches under the following conditions: – The voltage of one of the phases exceeds the set mini or maxi ...
Trigger voltage: 110, 230, 400 V
... it can be used to measure and display the voltage, phase and frequency parameters of the generator and network, as well as its differences. Applications The SynchroMax is a synchronization relay which synchronizes ...
Tripping current: 4 A
... The PQRM5100 11 … Single- phase multifunction Power Transmitter suitable for the measuring of 12 different parameters of the singlephase power network: • The TRMS values of phase voltage and phase ...
Tripping current: 1, 3 A
Trigger voltage: 250 V
... is a specialized device for monitoring and protection of 3- phase asynchronous motors, designed for DIN-rail mounting. It monitors phase presence and order, phase line voltage, and zero ...
... •Fits every switch cabinet Safe Phase monitoring easy as pie. The DN3PW1 has semiconductor and contact outputs and is suitable for phase voltages up to 400V AC. Even minimal phase ...
Trigger voltage: 690 V
... GAMMA Series Phase Loss Monitor for up to 690V nominal voltage This product monitors phase loss, phase sequence, and phase rotation. The under-voltage settings can be adjusted locally ...
TELE Haase Steuergeraete GmbH
Tripping current: 16 A
... Monitoring voltage relay, 3- phase HRN-43, HRN-43N galvanically separated supply AC 230V, AC 400 or AC/DC 24V, memory, adjustable hysteresis and delay, 2 x independent output monitoring ...
ELKO
... Voltage Monitoring Relays which are developed by entes. They are specifically designed for the protection of the motors and networks from undervoltage situations and overvoltage situations. They also protect the motors ...
Trigger voltage: 208 V - 600 V
... Voltage monitoring realy for three- phase system, without neutral, phase loss and incorrect phase sequence, 208...480VAC 50/60Hz • ype of product: Voltage monitoring ...
... 3- Phase 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 Mounting Industrial ...
Trigger voltage: 208 V - 480 V
... 3- Phase 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: 415, 220, 380, 400 V
... Control relay for monitoring of correct phase sequence, phase break and undervoltage. Connection to 3- phase mains supply with or without neutral. Fixed limits for ...
Brodersen Controls
Trigger voltage: 80 V - 540 V
... 269R Over & Under 3- Phase Monitor continuously monitors 3- phase lines for high voltage, low voltage, phase loss or phase reversal, and an adjustable .3 - 5 minute restart delay. This ...
Time Mark
... 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: 400 V
... state of the device. The relay immediately breaks if the voltage supply falls below 60% Un. When the device gets supplied from all phases or if one phase is faulty in HRN-54, the relay ...
Trigger voltage: 0 V - 480 V
... universal motor relays that were designed to provide a cost-effective protection solution against premature failure for various equipment, as well as against downtime that may be caused by voltage faults or untimely outages in three- phase ...
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