Control relays

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voltage control relay
voltage control relay
easyE4

The easyE4 control relay from Eaton's Moeller series is ideally suited for implementing the control and regulation of various applications efficiently, flexibly and simply. The device ...

level control relay
level control relay
700-CF series

Tripping current: 15 A

Our Bulletin 700-CF IEC Control Relays provide features required for demanding industrial applications—mechanically linked contacts, timing options, long contact life—in an IEC design. Overview ...

level control relay
level control relay
Série 72

Tripping current: 16, 30 A
Trigger voltage: 250, 400 V

... •Confectionary machines •Control and management of water •Control panels •Control panels for pumps •Control systems •Discotheques, swimming pools and fountains •Galvanic ...

speed control relay
speed control relay
7VU68

... with tens of millisecond has small impact to rotating loads. Thus, the High Speed Busbar Transfer (HSBT) device helps to control and monitor the progress to ensure the fast but reliable switching-over. It can be initiated ...

voltage control relay
voltage control relay
P40 Agile P94V sereis

... the art technology and process selection. Additional features include graphical programmable logic, Ethernet, measurement control algorithms from Alstom Grids modular MiCOM P40, which is applicable to specified range ...

current control relay
current control relay
RD

Tripping current: 0.03 A - 30 A

Modular residual current relays RD21 series Modular residual current relay. RD23 series Modular residual current relay with leakage current indicator.

current control relay
current control relay
CTD.CTD.A

Toroids for residual current relays CTD - CTD.A series Series of closed and/or openable toroids for measuring residual current. To be paired with the RD residual current relay.

over-speed control relay
over-speed control relay
UH 6932

... /EN 61511 • Overspeed, underspeed or window monitoring • Integrated user friendly frontside display - Comfortable, menu guided configuration - For set point and actual value of Hz • Fast reaction time by measuring ...

temperature control relay
temperature control relay
T2, TST-24 series

This product is able to control the temperature of a motor room, as well as the temperature inside switchboards, which are defined by the lack of a motor room. The design in accordance to the EN 81-1 standard and compliance ...

phase sequence control relay
phase sequence control relay
ST, ST-D

Trigger voltage: 230 V

The ST/ST-D by Fanox are phase and temperature relays which serve as protection against phase imbalance, phase loss, phase sequence and over temperature. These are compatible with most motors that have a PTC sensor operation ...

phase sequence control relay
phase sequence control relay
S series

Trigger voltage: 13 V - 250 V

Fanox Phase Control – S protects from phase loss, phase imbalance, and phase sequence. It has been designed for protection of three-phase appliances. Examples include air conditioners, elevators, cranes, hoists ...

level control relay
level control relay
AT A

Tripping current: 10, 20 A
Trigger voltage: 220 V

These water level control relays are normally-sensitive controllers that maintain liquids within the set limits between a maximum and minimum level and provide protection for submerged pumps against dry ...

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ATMI
level control relay
level control relay
AT 10 B

Trigger voltage: 220 V

... conductivity to control very great differences of level by the greater power of their message. The AT 10 B level control relay is used to control liquids with a high ...

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ATMI
level control relay
level control relay
AT 50 A

Tripping current: 5 A
Trigger voltage: 220 V

... according to the electrical diagram shown, with the probes in the desired positions to obtain control of the slave equipment. How to use: The control relays operate with three probes ...

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ATMI
level control relay
level control relay
WDH-31-531

... -31-531 intelligent motor control and management system is a brand new design motor controller for the open-door type and drawer type Motor Control Center(MCC Cabinet). The motor controller ...

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Jiangsu Sfere Electric Co.,Ltd.
voltage control relay
voltage control relay
WDH-31-530

... -31-530 intelligent motor control and management system is a brand new design motor controller for the open-door type and drawer type Motor Control Center(MCC Cabinet). The motor controller ...

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Jiangsu Sfere Electric Co.,Ltd.
under-voltage control relay
under-voltage control relay
WDH-31-500

... and control for low-voltage AC asynchronous motor, provides various control modes and protection functions, rich on-off quantity input and relay output programming functions, and can ...

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Jiangsu Sfere Electric Co.,Ltd.
current control relay
current control relay
WI series

... Applications WIs can be used in any application that needs to control the load: Power supply units for grinders or aggregate grinding units. Loads in extrusion machines Pump control ...

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CIRCUTOR
voltage control relay
voltage control relay
RV series

Trigger voltage: 300, 350, 400 V

Electronic relay for protection and continuous voltage monitoring. Protection against voltage surges, triggers at voltages higher than 265 V. Trigger time according to the voltage value less than or equal to: 300 ...

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CIRCUTOR
power factor control relay
power factor control relay
computer one series

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CIRCUTOR
level control relay
level control relay
Wi-CoRe

Tripping current: 0 mA - 20 mA
Trigger voltage: 220 V

Wi-CoRe is an innovative wireless control relay specifically engineered to enable seamless integration between WiT-es and WiPr-es sensors and industrial control systems. It is designed ...

synchronization control relay
synchronization control relay
CP-S

Tripping current: 5 A
Trigger voltage: 250 V

... Hz Panel size: 72x72mm, 96x96mm, 144x144mm Optional Ambient temperature: -25C to +55C Automatic control: with relay output or without relay output

level control relay
level control relay
EXI

A safe relay for float switches used in potentially explosive atmospheres The KARI Exi relay is designed to offer a safe control system solution for float switches used in potentially ...

over-current control relay
over-current control relay
TCC-H series

Tripping current: 5 mA - 10,000 mA

... adjustments • LED indicators for power supply, • contact and reaction timer On application of the supply voltage the output relay pulls in and the timing period ts starts. Current control ...

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HIQUEL
level control relay
level control relay
GRL8

... level control mode – 1 level control mode -Choice of function PUMP UP, PUMP DOWN. -Adjustable time delay on the output (0.1 – 10s). -Sensitivity adjustable by a potentiometer (5-100kΩ). -Galvanically ...

low-level control relay
low-level control relay
CR11C

Tripping current: 1 A
Trigger voltage: 125 V

... range of relay types and versions and associated sockets and accessories. 35 x 35 mm round plug-in relay, 8- or 11-terminals multipole connectors with 2 or 3 contacts up to 10 A and different contact ...

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Releco
trip circuit control relay
trip circuit control relay
TCS series

Tripping current: 6 mA
Trigger voltage: 48, 24 V

... TCS-3 Devices to control of the safety circuit 24-48 VAC/DC Device for permanent control of the MCCB's tripping circuit or safety circuits Introduction Range TCS Product name TCS-1, TCS-3 Product ...

voltage control relay
voltage control relay
RSR series

Trigger voltage: 240, 110 V

RSR-72 Relay for restarting and re-acceleration of motors Static relay for motor re-start and reacceleration The RSR-72 type relay for re-start and reacceleration is deigned to ...

phase control relay
phase control relay
ZCFF01

Tripping current: 8 A
Trigger voltage: 205, 480 V

-Sequence control and phase failure -Detection of regenerated phases of up to 85% of the nominal voltage -No delay in the maneuver when detecting an anomaly -Output contact.... Max. 8A 250 VAC -Format.... 17,5 x ...

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Automatismos Control y Programación, S.L.
pulse control relay
pulse control relay
8 A | SIR 8 AN

... installations, such as switch-disconnectors, impulse relays (remote switches) and main switches. Impulse relays, also known as remote switches, are switching relays that switch on due ...

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Doepke Schaltgeräte GmbH
level control relay
level control relay
LVE24, LVE230 series

LVE24 / LVE230 SERIES LIQUID LEVEL CONTROL - For all conductive liquid - Automatic resetting - From 2,5K to 50K sensivity adjustable - Din rail mounting - 1 Exchange contact Typical application for control ...

level control relay
level control relay
RL10, RL11, RL12

RL10: Universal relay for filling or emptying RL11: Level relay for emptying RL12: Level relay for filling 1 or 2 sensor levels Adjustable sensitivity 1- or 2-pole relay ...

level control relay
level control relay
EBR-1

Tripping current: 6 A
Trigger voltage: 250 V

Modular electronic liquid level control relay, with switched, voltage-free contact. The maximum distance between electrodes and the relay is 100 metres. It is suitable for controlling ...

level control relay
level control relay
CL1001, CL1002

Trigger voltage: 24 V

... conductivity level controls whose working is founded on measuring the resistance between two or more electrodes dip into fluids under control. Liquid between a reference electrode and one or more level ...

voltage control relay
voltage control relay
KR09-12V UC

... electronic control with high capacity of special relays. Control voltages 12V UC. Contact position indicator with LED. Control power demand 0.2W only. Safe disconnection ...

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Eltako Electronics
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How to choose this product
control-relay

A monitoring relay is used to monitor and report values that exceed predefined parameters.

Applications

These devices can be used to monitor electrical parameters, such as power factor, voltage, current or phase. They also monitor manufacturing parameters, including temperature, pressure, levels and frequencies.

Technologies

As with other relays, monitoring models may be electromechanical, though most now are semiconductor-based solid state relays. Some are directly programmable and are presented in ISO cases for rail installation.

How to choose

Choice depends on the intended application and the parameters to be monitored.