Function and monitoring relays: voltage, current, phase, level...

340 Industrial products | 90 Companies
 
 
Siemens Energy
Automation and control relay  SICAM AK 1703 ACP Siemens Energy

A high level of functionality and flexibility are the foundation for a successful automation system. Naturally, that also includes comprehensive options for telecontrol, communication and for connecting peripheral ...

Over-current relay  7SJ61 Siemens Energy

Multifunction Protection Relay SIPROTEC 4 7SJ61/62/63/64

The SIPROTEC 4 units are numerical protection relay that also performs control and monitoring functions and therefore supports the user in cost-effective power system management, and ensures reliable supply of electric power ...

Phase control relay  7SG16 Siemens Energy

The 7SG16 is a full scheme distance protection used to detect phase and earth faults. All fault loops and zones are continuously monitored. The relay is applied to overhead line and underground ...

CROUZET
Current measuring and monitoring relay  max. 10 A | HIL/HIH CROUZET

- Control of AC and DC currents
- Automatic recognition ...

Frequency monitoring relay  50 - 60 Hz | HHZ CROUZET

- Controls frequency variations on 50 or 60 Hz AC networks
- Controls ...

Level control relay for conductive liquids  24 - 230 V AC | ENR CROUZET

- Regulation of two levels:
minimum
maximum
- Monitoring ...

Eaton Moeller
Automation and control relay Eaton Moeller

The Clever Control Relay easy500, easy700 and easy800

The new easy500 and easy700 control relays offer all the technical features of the tried and tested easy400 and easy600 devices and also include a lot of new functions.

These ...

Contactor monitoring relay Eaton Moeller

CMD Contactor Monitoring Relay
Redundant contactor design a thing of the past

Plant sections in virtually all applications are implemented nowadays with safety in mind.

Safety-oriented control sections are used for disconnection in the event of a hazard such as an open safety guard ...

Current measuring and monitoring relay Eaton Moeller

EMR4-I Current Monitor - For Universal Use

Current Monitor

The EMR4-I current monitors are suitable for both AC and DC monitoring tasks. The selectable lower or upper tripping limit means that they can be used for the underload or overload ...

SIEMENS Low-Voltage Power Distribution
Level monitoring relay SIEMENS Low-Voltage Power Distribution

Level Relays
Overview

Level relays are used for the monitoring and control of conductive, non-combustible liquids and powders. They ensure overflow and dry run protection. Due to their sensor performance, the devices can also be used for general resistance monitoring.

LED displays:
- Green LED: lights up when operational voltage is applied
- ...

Over-current relay SIEMENS Low-Voltage Power Distribution

Current relays monitor single and three-phase systems for the flow of current in emergency lighting installations and the load of motors. They are available as undercurrent, ...

Twilight switch SIEMENS Low-Voltage Power Distribution

Dusk Switches

Overview

Dusk switches are used for the demand-oriented switching of lighting installations for shop windows or paths in order to cut operating costs. A light sensor measures the ...

OMRON Electronics
Monitoring relay OMRON Electronics

Omron monitoring relays detect abnormal ...

Programmable logic relay  max. 44 I/O | ZEN OMRON Electronics

Ideal for small-scale control applications, the ZEN provides an economical ...

Eaton Count Control Products
Monitoring relay Eaton Count Control Products

Eaton’s selection of Monitoring Relays can be easily customized ...

Voltage relay  VR-300 Eaton Count Control Products

The VR-300 is a fixed mounted, industrial grade, protective relay that offers multiple protective ...

GE Digital Energy
Excitation loss relay  CEH GE Digital Energy

The type CEH relays are used for the detection of the loss of excitation of synchronous generators, and to automatically ...

Modular voltage relay  TOV GE Digital Energy

Type TOV relays are undervoltage and overvoltage relays, single phase or three phase, instantaneous ...

PEPPERL & FUCHS
Current detector control relay  max. 30 VDC, max. 20 mA | KCD2-SCD-1 PEPPERL & FUCHS

1-channel signal conditioner
24 V DC supply (Power Rail)
...

Trip relay  KFD, KFU series PEPPERL & FUCHS

Trip amplifiers monitor limit values of temperatures, flows, levels, ...

PILZ
Electronic supervision relay  PMDsrange, PMDsigma PILZ

On electronic monitoring relays, electrical safety is the focus. When monitoring voltage, current, temperature or similar variables, for example. Reduce the number of hazardous situations for man and machine while at the same time increasing the service life of your plant. Save costs and ...

HENGSTLER
High voltage relay  H-509 HENGSTLER

Number of contacts: 1
Dimensions (LxWxH): 77 x 49 x 62
Operation ...

Trip relay  K-RP HENGSTLER

Number of contacts: 1,2
Dimensions (LxWxH): 37.7 x 13 x ...

DWYER
Relay for commercial and residential applications DWYER

Series DSSR DIN/Panel Mountable Solid State Relay -- 10 Amp, SPST-NO Operation, Internal Heat Sink

Series ...

GEMS SENSORS & CONTROLS
Level control relay for conductive liquids  Series 19MR GEMS SENSORS & CONTROLS

Series 19MR
Direct Motor Load Control

Quick Specs...

...

Panasonic Electric Works Corporation of America
Lighting control relay Panasonic Electric Works Corporation of America

Lighting Control Relays



Panasonic relays have become an industry standard in the North America and are used in over 30 different lighting and control systems. With it's unique and robust design the Panasonic relay has stood the test of time. And now the Panasonic single-pole ...

Weidmüller
Monitoring relay Weidmüller

Relays
Relays are available in different forms - from modular terminal enclosures to plug-in bases for terminal rail mounting.
For switching ...

LOVATO ELECTRIC
Phase measuring and monitoring relay  0.1 - 16 A | PMA60 series LOVATO ELECTRIC

LOVATO Electric extends the MODULO series, by including ...

Single phase current measuring and monitoring relay  8 A, 250 VAC | PMA20 series LOVATO ELECTRIC

The current monitoring relays of the modulo series are suitable for use in single-phase systems.
All relays have auxiliary 24-240VAC/DC supply and have relay outputs.
Current measurements are obtained ...

Voltage and frequency monitoring relay  max. 1.13 V, max. 0.5 Hz/s | PMVF10 LOVATO ELECTRIC

The monitoring relay PMVF10 is designed and developed to satisfy requirements of the local power authority (ENEL guide edition 2.1 of 12/2010). The authority imposes that the following automatic ...

MURRELEKTRONIK
Over-current and short-circuit protection relay  1 - 10 A | MICO series MURRELEKTRONIK

In the field of power supply,> Murrelektronik offers complete system solutions from a single source. Our product portfolio includes a complete range of products, from simple transformers through to battery-backed, redundant, intelligent ...

Voltage comparator module  0.7 A, max. 30 V | MAK series MURRELEKTRONIK

Coupling modules from Murrelektronik can disconnect, switch, or convert voltage - even where space is at a premium. Our product portfolio comprises a variety of relay and optocoupler modules that use the practical terminal block format. ...

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