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

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SIEMENS Smart Grid

Security relay / voltage / frequency - 7SR158 Argus

The Reyrolle 7SR158 Argus voltage and frequency relays are numerical, multifunctional devices, with functionality designed for connection to voltage transformers.
The voltage and frequency functionality is supplemented by data storage, instrumentation,...

Security relay / voltage / frequency - 7SR158 Argus

The Reyrolle 7SR158 Argus voltage and frequency relays are numerical, multifunctional devices, with functionality designed for connection to voltage transformers.
The voltage and frequency functionality is supplemented by data storage, instrumentation, user configurable logic and data communication features. A menu based user friendly interface provides local access to relay settings, instruments and operational data. The fascia also benefits from 9 user configurable, tri-coloured LEDs and a USB port for PC access.
The key functions provided include 27/59 -Under and Over voltage, 81 -Under and Over frequency, 78 -Voltage vector shift and 81R -Rate of change of frequency.
Relays have three voltage inputs, six binary inputs and eight binary outputs and are housed in a size E4 case. Programmable logic is provided to allow the optimal configuration of relay functionality. A rear electrical RS485 port is provided for SCADA connection using either IEC60870-5-103, DNP3.0 or MODBUS RTU protocol.

Control relay / over-current - 1/3 x 19 in | 7SJ82

The overcurrent universal protection device 7SJ82 is a control and automation device on the basis of the SIPROTEC 5 system. It is especially purposed for the protection of branches and lines. Directional and non-directional time overcurrent protection, with additional functions such as time optimization...

Control relay / over-current - 1/3 x 19 in | 7SJ82

The overcurrent universal protection device 7SJ82 is a control and automation device on the basis of the SIPROTEC 5 system. It is especially purposed for the protection of branches and lines. Directional and non-directional time overcurrent protection, with additional functions such as time optimization for tripping by direction comparison and protection data communication is present. As well as Recognition of static and transient ground faults in resonant grounded and isolated networks, overvoltage and under voltage protection in all required versions of power protection, active configurable or reactive power protection, frequency protection and frequency change protection for load shedding applications. Also, special overvoltage and unbalance protection for capacitance banks control, synchronized check and system interlocking, powerful automation with graphical CFC (Continuous Function Chart), integrated electrical, Ethernet port J for DIGSI Complete IEC 61850 (reporting and GOOSE) via integrated port J, two optional pluggable communication modules usable for different and redundant protocols. Product Description: (IEC 61850, IEC 60870-5-103, DNP3 (serial+TCP)

Control relay / over-current - 1/3 x 19 - 2/1 x 19 in | 7SJ85

This device is suitable for overcurrent protection in various industry application and is based on SIPROTEC 5, one of the most advanced systems on the market....

Control relay / over-current - 1/3 x 19 - 2/1 x 19 in | 7SJ85

This device is suitable for overcurrent protection in various industry application and is based on SIPROTEC 5, one of the most advanced systems on the market. The manufacturer has designed this item for lines and branches and has included advanced features.

The frequency change protection systems and the special overvoltage feature are just two of the other advantages that you can consider. Last but not least, there are four pluggable communication modules which you can use for various purposes. So buy now and enjoy increased protection for your applications and projects, without too much effort.

Security relay / frequency / voltage / compact - 7RW80

Siemens SIPROTEC Compact 7RW80 is a monitoring numerical device with multiple function relays that are connected voltage transformers, transmission systems and electrical...

Security relay / frequency / voltage / compact - 7RW80

Siemens SIPROTEC Compact 7RW80 is a monitoring numerical device with multiple function relays that are connected voltage transformers, transmission systems and electrical machines. This device has the capability to sense any changes from allowed voltage, too much excitation values or frequency, the said device will react in accordance to the set of values it is programmed to. The relay device may also serve in system break up and for load segregation especially if there is great tendency of system failure. The device also offers versatile protection functions and allows user to customize more (20) additional protection out of this device.

Control relay / medium-voltage / feeder - 7SC80

The SIPROTEC 7SC80 feeder automation controller has flexible protection that the user can create 20 additional protection functions with. The relay provides circuit-breaker control and...

Control relay / medium-voltage / feeder - 7SC80

The SIPROTEC 7SC80 feeder automation controller has flexible protection that the user can create 20 additional protection functions with. The relay provides circuit-breaker control and it can also control the additional primary switching devices such as grounding, transfer and isolating switches. It can also implement automation or PLC logic functionality. The user is allowed by the integrated programmable logic(CFC) to add down the functions for the automation of switchgear including interlocking, transfer and load shedding schemes. User-defined messages can be generated by the user. The communication module is separated from the protection. It can easily be exchanged to future communication protocols.
ABB

Monitoring relay / single-phase / current - max. 15 A | CM-Sxx series



The highly sophisticated CM-S range in ABBs new S-line housing offers two different types of connection terminals and is ideally suited for universal...

Monitoring relay / single-phase / current - max. 15 A | CM-Sxx series

The highly sophisticated CM-S range in ABBs new S-line housing offers two different types of connection terminals and is ideally suited for universal use. Double-chamber cage connection terminals Double-chamber cage connection terminals make it possible to connect fires up to 2 x 2.5 mm2 (2 x 14 AWG), rigid or fine-strand, with or without ferrules. Potential distribution does not require additional terminals. Easy connect technology Innovative push-in connection terminals for tool-free installation. The connection is gas-proof and has the same direction as the double-chamber cage connection terminals.

Monitoring relay / single-phase / voltage / multifunction - 3 - 600 V | CM-Exx series

The voltage monitoring relays are available with different AC and DC measuring ranges:
> 3 - 30 V
> 6 - 60 V
>...

Monitoring relay / single-phase / voltage / multifunction - 3 - 600 V | CM-Exx series

The voltage monitoring relays are available with different AC and DC measuring ranges:
> 3 - 30 V
> 6 - 60 V
> 30 - 300 V
> 60 - 600 V

Single function, multifunction and windows monitoring function is available.

Supply voltage:
> 24 - 240 V AC/DC
> 110 - 130 V AC
> 220 - 240 V AC

Optionally latching function can be selected as well asopen or closed cicuit principle. Devices with adjustable tripping delay are available.

Monitoring relay / low / level / for liquids - 0 - 100 kΩ | CM-ENE MIN series

Low level monitoring; protection against running dry (loss of prime);...

Monitoring relay / low / level / for liquids - 0 - 100 kΩ | CM-ENE MIN series

Low level monitoring; protection against running dry (loss of prime); The single function relay features a single supply voltage range, a fixed response sensitivity (0-100 kOhm), a LED for status indication and 1 n/o output contact in a 22.5 mm wide housing.

Monitoring relay / level / for liquids - max. 100 kΩ | CM-ENE MAX series

High level monitoring; protection against overflow. The CM-ENE MAX is...

Monitoring relay / level / for liquids - max. 100 kΩ | CM-ENE MAX series

High level monitoring; protection against overflow. The CM-ENE MAX is feature wise more or less equivialent to CM-ENE MIN (single supply voltage range, fixed response sensitivity (0-100 kOhm), 1 LED for status indication and 1 n/o output contact in a 22.5 mm wide housing).
CROUZET

Sizing relay / control / current - max. 10 A, 230 V | EI series

Current transformer fitted by passing a cable through the front
AC current treshold...

Sizing relay / control / current - max. 10 A, 230 V | EI series

Current transformer fitted by passing a cable through the front
AC current treshold adjustable from 1 to 20 A AC (30 Hz to 400 Hz) via button on front
Relay output 5 A - 250 V AC - 1 N/O contact
Multivoltage power supply : 100 to 230 V AC 50-60 Hz
24 V AC / DC
17.5 mm casing clips on symmetrical DIN rail

Control relay / phase - EWS / EWS2

From the makers of top quality innovations, CROUZET presents their top of the line Control Relays, the EWS / EWS2 Phase control designed to monitor and detect abnormal electrical...

Control relay / phase - EWS / EWS2

From the makers of top quality innovations, CROUZET presents their top of the line Control Relays, the EWS / EWS2 Phase control designed to monitor and detect abnormal electrical or physical operating values. It caters to a multitude of applications including heating/air conditioning, access control, heat pumps, water and air treatment, waste treatment, lifting and handling, medical equipment, pump management, and more. With sophisticated designs, these phase controls saves space while providing optimum performance making them very cost effective. It comes with options for the output changeovers to suit any client’s specifications. It is also easy-to-install with low maintenance cost.

Control relay / sizing / voltage - 0.2 - 600 V | EUL/EUH

These control relays serve as voltage control and equipment protection ranges from EUL/EUH...

Control relay / sizing / voltage - 0.2 - 600 V | EUL/EUH

These control relays serve as voltage control and equipment protection ranges from EUL/EUH AC/DC variations. The products help in voltage monitoring and regulation. They consist 2 relays to accommodate 6 ranges of measurements from 0.2V to 600V and possess maximum frequency level up to 500 Hz. Smart device to protect high cost investments.

Control relay / level - 24 - 230 V | ENR series

This exceptional control relay has 2 regulation levels: minimum and maximum. It...

Control relay / level - 24 - 230 V | ENR series

This exceptional control relay has 2 regulation levels: minimum and maximum. It has remarkable features including a monitoring filling (UP) or emptying (DOWN) operational via a switch found on the front panel, probes supplied with AC current and sensitivity adjustable on the front panel from 5 kΩ to 100 kΩ.

Control relay / level - 24 - 230 V | ENRM series

This item provides regulation of one or two levels, minimum and maximum. In addition to this, the emptying (DOWN) and monitoring...

Control relay / level - 24 - 230 V | ENRM series

This item provides regulation of one or two levels, minimum and maximum. In addition to this, the emptying (DOWN) and monitoring filling (UP) operating modes are selected by a simple switch, installed on the front panel of the device.

The manufacturer also supplies probes with AC current, so you can start enjoying this item right after buying. Note that the product also comes with a sensitivity adjustment switch on the front panel, which can set a value from 250Ω to 1 MΩ/
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