Frequency Relays

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Sree Dhanam Automation Pvt Ltd, Chennai

3-Phase or 3-phase+neutral line voltage monitoring relay for phase sequence, phase loss, asymmetry, tolerance, over and under voltage (separately adjustable set points) with built-in time delay function. Supply ranges from 100 to 690 vac covered by three multi voltage relays.
Features:
* TRMS 3-phase over and under voltage, phase sequence, phase loss, asymmetry and tolerance monitoring relay.
* Detect when all 3 phases are present and have the more...

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Control Electric Company Pvt. Ltd., Noida

We offer our clients with Reverse Power Relays in ANSI code 32 Type RMP-121D. These offer protection against motoring and have single phase measurement with LED indication of fault conditions.
Technical Specifications:-
* Protection Against ”Motoring”
* Single Phase Measurement
* LED Indication Of Fault Condition
* Timer Controlled Tripping
* LED Indication For Activated Relay
* 35 mm DIN Rail Or more...

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Protech Engineering & Controls Pvt. Ltd., Mumbai

We manufacture N96 Voltage & Frequency Relays in compliance with the defined industry standards. These are available in various configuration and specifications to meet the growing demands of numerous industries. We offer these relays at market leading prices.
Highly appreciated owing to the following features:
* Programmable digital power protection relays with LCD displays
* Wide time delay ranges with precise more...

Address: E - 12, Nand Jyot Industrial Estate, Andheri Kurla Road , Mumbai - 400072, Maharashtra, India Phone: +(91)-22-28513328Preferred Number: 8377802057(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectiverelays.com/

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Max G. Tech, New Delhi

High Frequency Relay - OMRON

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Protech Engineering & Controls Pvt. Ltd., Mumbai

The Series-1 Voltage & Frequency Relays offered by us monitors the line frequency to achieve error proof end result. Relay changes the status after the SET time delay, if the line frequency steps out of the range selected. These relays are calibrated with linear scale and are designed to fit in any mounting channel.
Features:
* Choice of screw less terminals
* + 2% Accuracy
* Total wireless more...

Address: E - 12, Nand Jyot Industrial Estate, Andheri Kurla Road , Mumbai - 400072, Maharashtra, India Phone: +(91)-22-28513328Preferred Number: 8377802057(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectiverelays.com/

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Sree Dhanam Automation Pvt Ltd, Chennai

3-Phase relay for detection of incorrect phase sequence, total and partial phase loss. Supply range from 208 to 480 VAC. For mounting on DIN rail. Housing 17.5 mm wide, SPDT relay output, suitable for back and front panel mounting. The device detects regenerated voltage up to 85% of the nominal voltage (phase-phase).
Features:
* 3-phase monitoring relay for phase sequence and phase loss.
* Detects when all phases are present and have the correct sequence. more...

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Protech Engineering & Controls Pvt. Ltd., Mumbai

With the assistance of our highly qualified professionals, we are able to offer an extensive range of N96-D Voltage & Frequency Relays. These are programmed with the digital power protection relays with LCD displays. These are designed using latest 12 bit micro controllers and the wide time delay ranges with precise settings.
Features:
* True RMS Measurement
* RS 232/485 output-(Optional)
* 0-5V Analog output-(Optional) more...

Address: E - 12, Nand Jyot Industrial Estate, Andheri Kurla Road , Mumbai - 400072, Maharashtra, India Phone: +(91)-22-28513328Preferred Number: 8377802057(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectiverelays.com/

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Protech Engineering & Controls Pvt. Ltd., Mumbai

Our range of N45 Voltage & Frequency Relays is manufactured using quality tested electrical components. The entire range is engineered using latest technology and can be availed at industry leading prices. Further, our range can be customized as per the specifications of our clients.
Features:
* Micro controller based true RMS measurement
* Wide power supply range from 90-270V AC/DC
* Dynamic 5 LED bar graph status more...

Address: E - 12, Nand Jyot Industrial Estate, Andheri Kurla Road , Mumbai - 400072, Maharashtra, India Phone: +(91)-22-28513328Preferred Number: 8377802057(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectiverelays.com/

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Sanjay Electrical Traders, Bhagirath Place, New Delhi

We are leading dealer and supplier in Electrical relay :
* Overload Relay
* Thermal Overload relay
* Base Mounted Relay
* Contactor Relay
* MN series Relay
* L&T Relay
* BCH Relay
* Siemens Relay
* Schneider Relay
* TC Relay
* Teknika Relay
* PIC Relay
* Under voltage relay
* Earth fault relay
* Alternator relay
* Engine Start Relay
* On Delay Timer
* Off Delay Timer
* Frequency relay more...

Address: No. 2060/8, 1st Floor, Chah Indara, Bhagirath Place , New Delhi - 110 006, Delhi, India Phone: +(91)-11-23874484Preferred Number: 8447508271(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/sanjayelectricaltraders/

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Ashida Electronics Private Limited, Thane

We offer Under & Over Frequency Monitor Relay.
Type: AUOFMR2
Features:
* Accurate frequency monitoring with crystal controlled Reference
* Remote Communication through RS-485 and RS232 port
* Trip frequency point can be selected with 0.01 Hz Resolution
* Built in 60.00 Hz source to calibration check
* Instrument tested to withstand as per IS 3231, IS8686-1977 Specification
* 2 Independent set points more...

Address: Ashida House, Plot No. 308, Road No. 21 Wagle Indusrrial Estate, Thane - 400 604, Maharashtra, India Phone: +(91)-22-25827524Preferred Number: 8447551212(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectionrelays.com/

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Teknika Electronics, Delhi

Over Frequency 50 - 55 Hz
Over Speed 1500 - 1650 rpm
TE 700 series frequency relays are used for protection of sensitive equipment due to under or over frequency when the equipment is being supplied from a source whose frequency may be erratic. Can be used for tripping in case frequency goes above limit. A lower or more...

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Teknika Electronics, Delhi

Teknika center frequency relay is used for matching frequency of 50 Hz. A preset 50 Hz is compared to incoming frequency and a high or a low signal is generated. The pulsed high or low signal can be used to increase or decrease the frequency of the generator. Frequency matching indication and raise lower indications are also available.

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Ashida Electronics Private Limited, Thane

We offer Reverse Relays- Numerical Reverse Power.
Type: ADR116A
Features:
* Online Display of Voltage, Current, Power Factor, and Active Power
* Back - lit LCD display for settings
* Latching of fault values Voltage, current, Power Factor, and Active Power
* Latching of fault current up-to last 5 fault
* Design using DSP technology
* Password protection for setting
* Site selectable more...

Address: Ashida House, Plot No. 308, Road No. 21 Wagle Indusrrial Estate, Thane - 400 604, Maharashtra, India Phone: +(91)-22-25827524Preferred Number: 8447551212(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectionrelays.com/

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Teknika Electronics, Delhi

over frequency 50 – 55 hz
over speed 1500 – 1650 rpm
te 700 series frequency relays are used for protection of sensi-tive equipment due to under or
over frequency when the equip-ment is being supplied from a source whose frequency may be erratic. Can be used for tripping in case frequency goes above limit. A lower or higher than limit condition if persisting for more than 1 or 2 sec a contact changeover occurs and more...

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Ashida Electronics Private Limited, Thane

We offer Directional Relay - Numerical Directional Relays 3OC 1EF.
Type: ADR245B
Protection Features:
* 4 Element (3 Phase + EF +sensitive EF) Directional / Non Directional Over current IDMT/ DMT
* Negative Phase Sequence element (46)
* Selection of Curve: Five selectable curves Normal Inverse1 (C1), Normal Inverse2, (C2) Very inverse (C3), Extremely Inverse (C4), Long Time Inverse (C5) and Define Time (C6)
* more...

Address: Ashida House, Plot No. 308, Road No. 21 Wagle Indusrrial Estate, Thane - 400 604, Maharashtra, India Phone: +(91)-22-25827524Preferred Number: 8447551212(SMS cannot be sent to Preferred Number) Website: http://www.powerprotectionrelays.com/

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Teknika Electronics, Delhi

Teknika Frequency Balance relay is used for matching frequency of two generators and generating a high or low signal. The pulsed high or low signal can be used to increase or decrease the frequency of the generator. Frequency matching indication and raise lower signals are also available.

Proton Power Control Pvt Ltd., Pune

Protection of 3 Phase devices against Over voltage, Under voltage, Single Phasing, Over Frequency, Under Frequency, Reverse Phasing & unbalance supply are one of the major issue in electrical systems. For safe running of 3-phase devices, special protections that keep a continuous watch on supply conditions are very essential. The major cause of maximum load burn-out is overloading which occurs due to unbalance supply, Single Phasing & Reverse phasing conditions. VFR3P detects such more...

Address: Survey No. 28, Jagtap Dairy, Pimple Nilakh , Pune - 411 027, Maharashtra, India Phone: +(91)-20-27270800Preferred Number: 9953355029(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/proton-electronic/

Fidere Engineers & Services Pvt. Ltd., Kolkata

MiCOM P9xx voltage and frequency management relays provide an integrated solution for secure and efficient operation of the power system.Their versatility of application and the association of protection functions with automation, control and measurement functions, provide an optimal and innovative solution for ensuring power system stability, as well as maintenance reduction.The enhanced techniques employed, designed to operate under non-linear abnormalities and sub oscillations, eliminate the more...

Address: No. 64, Block - D, Bangur Avenue , Kolkata - 700055, West Bengal, India Phone: +(91)-33-25743187Preferred Number: 9953364953(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/fidereengineersservices/

Puneet Industrial Controls Private Limited, New Delhi

Features
* No effect of transients.
* Positive action without chattering.
* Consistent accuracy and reliability.
* Life time guarantee of the unit (conditions apply).
Two Models
* Over frequency relay ( on delay timer)
* Under frequency relay ( Off delay timer)
Description
This is a compact micro-electronic device based on latest technology used for under and over frequency more...

Address: S- 60, Okhla Phase 2, , New Delhi - 110 020, Delhi, India Phone: +(91)-11-41623116Preferred Number: 8377807523(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/puneet-industrial-controls/

Creative Technology, New Delhi

We have gained expertise in manufacturing Frequency Relays, which monitor the frequency of various electrical systems. These are mainly used for graded load shedding systems and captive power generators to protect them against under or over frequency. The best quality components are used to develop these relays to ensure a safer and hassle free operation. more...

Address: No. J-15- B, Behind Shiv Mandir, Chanakya Place, Part-1 Opposite C-1, Janak Puri, New Delhi - 110 059, Delhi, India Phone: +(91)-11-65127847Preferred Number: 9953360981(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/creativedelhi/

M-Kris Electric, Delhi

We are supported with a rich industry experience and knowledge that assist us in manufacturing and exporting an exclusive range of Voltage Frequency Relays. Further, our manufacturing team use contemporary techniques and premium quality basic material in order to meet the set industry standards. In addition to this, we are offering these Voltage Relays at industry leading prices.
Specifications:
* Comprehensive protection from under-voltage, over-voltage and phase more...

Address: RZ 6-A, Palam Vihar, Sector-6, Dwarka , Delhi - 110075, Delhi, India Phone: +(91)-11-28085736Preferred Number: 9953363072(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/mkris/

Proton Power Control Pvt Ltd., Pune

Voltage Frequency Relays VFR-08
Fully Programmable
LED display for digital Voltmeter
& fault Annunciation
Auto scanner for 3 phase voltage
Complete protection from
unhealthy conditions such as
UV, OV, SPP, Reverse phase, UB
UF&OF
Sensing: Voltage sensing
Mounting: Din rail
Size: 55mm x 65mm x 125mm more...

Address: Survey No. 28, Jagtap Dairy, Pimple Nilakh , Pune - 411 027, Maharashtra, India Phone: +(91)-20-27270800Preferred Number: 9953355029(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/proton-electronic/

Proton Power Control Pvt Ltd., Pune

Fully Programmable
LED display for digital
Voltmeter & fault Annunciation
Auto scanner for 3 phase
voltage
Complete protection from
unhealthy conditions such as
UV, OV, SPP, Reverse phase
UB, UF & OF
Sensing: Voltage sensing
Mounting: Door mounting
Cutout dimension:
92mm x 92mm more...

Address: Survey No. 28, Jagtap Dairy, Pimple Nilakh , Pune - 411 027, Maharashtra, India Phone: +(91)-20-27270800Preferred Number: 9953355029(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/proton-electronic/

Proton Power Control Pvt Ltd., Pune

Fully Programmable
LED display for fault Annunciation
Auto Frequency Scanning
Protection from Under Frequency
& Over Frequency
Sensing: Voltage sensing
Mounting: Din rail
Size: 55mm x 65mm x 125mm more...

Address: Survey No. 28, Jagtap Dairy, Pimple Nilakh , Pune - 411 027, Maharashtra, India Phone: +(91)-20-27270800Preferred Number: 9953355029(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/proton-electronic/

Omron Electronic Components Pte Limited, Bengaluru

Dimensions (mm): 10.3(L) x 6.9(W) x 5.4(H)
Terminal Type:
Surface mounting terminal
Contact Form:
DPDT
Switching Current: 0.3 A at 125 VAC; 1 A at 30 VDC
Rated Voltage: 3 to 24 VDC
Power Consumption: 100 mW
Remarks: RoHS Compliant more...

C&S Protection & Control Ltd., New Delhi

Single phase frequency supervision of networks/ generators. Provides overfrequency protection to prime-mover against over speed. Under frequency protection to field windings from excessive current or voltage regulator from over load.
*
Functions :
Under frequency and overfrequency supervision.
*
Versions :
Under Frequency : BF1-U,
Over Frequency : BF1-O
Under & Over Frequency : more...

Jvs Electronics Private Limited, Bengaluru

application :
to monitor continuously the frequency of an electrical system.
used in graded load shedding system.
used in industrial plants having captive power generators requiring under frequency protection. technical data :
ratings
rated voltage : 63. 5 v or 110 v (to be specified)
voltage range : 60 to 120% of rated voltage
rated aux. Supply : 110v or 220v dc (optional- to be specified)
rated frequency : 50 hz.
more...

Power System Design And Commissioning Service, Chennai

Frequency relays

Syntron Controls Pvt. Ltd., Mumbai

* True RMS.
* Time Shared Four Quadrant multiplier technology.
* Accurate measurement at all power factors.
* Available in three phase double element only.
* Available for L.T as well as H.T applications.
* Two separate output relays for high setting & low setting.
* Bright LED based 7 segment 14.2mm Display.
* Size : 96mm X 96mm X 150mm. more...

Vee AR Sealing Systems, Chennai

Our clients can avail from us Frequency Based Relays (Type JRF 014), which are in conformation with the international quality standards. These relays are easy to install and are high in demand due to their optimum performance and wear & tear resistant. Prior to delivery, we test these relays on various quality parameters.
Applications:
* To continuously monitor the frequency of an electrical system.
* Used in graded load shedding system
* Used in more...

Prok Devices Private Limited, Bengaluru

Features:
* Dedicated microcontroller based.
* Accurate, Reliable and Tropicalized design.
* Continuous display of the measured Frequency.
* User selectable Upper Frequency and Lower Frequency limits.
* User selectable trip timings.
* Uses SMPS for auxiliary Power i.e. wide operating range for auxiliary input 85V-285V AC/DC.
Applications:
* Generator and Captive power plant.
* Over Frequency relay applied more...

Gic India Private Limited, Pune

Features:
Operable in various auxiliary supply voltage conditions & frequency range by selecting proper model
Models for Over Frequency and Under/Over Frequency Monitoring
Monitors frequency of three signals - Sine, Square & Triangular
Model for Frequency Limit Control: 5 Hz to 135 Hz
Wide Signal Input Voltage: 15 to 500 VAC
Adjustable Relay status in healthy or unhealthy condition using
DIP switch "ET" (Energize to Trip) or "DT" (De-energize to more...

General Industrial Controls Private Limited, Pune

● Operable in various auxiliary supply voltage conditions & frequency range by selecting proper model
● Models for Over Frequency and Under/Over Frequency Monitoring
● Monitors frequency of three signals - Sine, Square & Triangular
● Model for Frequency Limit Control: 5 Hz to 135 Hz
● Wide Signal Input Voltage: 15 to 500 VAC
● Adjustable Relay status in healthy or unhealthy condition using
DIP switch "ET" (Energize to more...

Indoecon Systems, Lucknow

OVER FREQUENCY : 50 - 55 Hz. IE 410
UNDER FREQUENCY : 45 - 50 Hz
IndoEcon Frequency Relays are used for protection of sensitive equipment due to under or over frequency when the equipment is being supplied from a source whose frequency may be erratic. Can be used for tripping in case frequency goes above limit. A lower or higher than limit condition if persisting for more than 3 sec. A contact changeover occurs and an LED on facia glows to indicate a trip condition. This can be more...

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Rishabh Instruments Private Limited, Nashik

The frequency protectors provide continuous surveillance of the monitored circuit. When the frequency moves outside the set point limit, the relay will operate giving an alarm, control or tripping single. An illuminated LED indicates when the relay is energized.

Address: F - 31, M. I. D. C., Satpur , Nashik - 422 007, Maharashtra, India Phone: +(91)-253-2202032Preferred Number: 8447526317(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/rishabhinstruments/

Excel Automation, Chandigarh

* Supply :- 230 VAC
* Resolution :- 0.1 Hz.
* Set points for Under frequency, Over frequency & hysterisis.
* All the set point site selectable.
* Display :- 4 Digit bright 7 seg.LED display.
* Output relay contacts C & N/ O provided.
* Cutout dimensions :- 92 mm X 92 mm more...

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Rishabh Instruments Private Limited, Nashik

The combined voltage & frequency Protectors give continuous surveillance of the monitored circuit. The product offers user adjustable trip point ( set point ) for voltage and frequency, plus adjustable time delay setting.
more...

Address: F - 31, M. I. D. C., Satpur , Nashik - 422 007, Maharashtra, India Phone: +(91)-253-2202032Preferred Number: 8447526317(SMS cannot be sent to Preferred Number) Website: http://www.indiamart.com/rishabhinstruments/

Syntron Controls Pvt. Ltd., Mumbai

* True RMS.
* Time-shared four quadrant multiplier technology.
* 7 segment 14.2mm LED based bright Display.
* Accurate measurement at all power factors.
* Available for Single Phase Single Element, Three Phase Double Element, Three Phase Triple Element.
* Can be used as Maximum Demand Control Unit.
* Two Separate Potential Free contacts at output.
* Size : 96mm X 96mm X 150mm. more...

Jvs Electronics Private Limited, Bengaluru

APPLICATION :
To monitor continuously the frequency of an electrical system.
Used in graded load shedding system.
Used in industrial plants having captive power generators requiring under frequency protection. TECHNICAL DATA :
Ratings
Rated voltage : 63.5 V or 110 V (to be specified)
Voltage range : 60 to 120% of rated voltage
Rated aux. supply : 110V or 220V DC (Optional- to be specified)
Rated frequency : 50 Hz.
more...

Syntron Controls Pvt. Ltd., Mumbai

* True RMS.
* Four Digital Display from 0.000 to 1.000.
* Separate indication for lead & lagging power factor by LED.
* Extremely Useful where manually power factor is controlled by fixed capacitors.
* Alarm setpoint is factory programmed at 0.96lag & 0.99lead.
* Time delay of 10secs is programmed for lag as well as lead output.
* Two Seperate Potential Free contacts at output for alarm/trip.
* Size : 96mm X 96mm X 70mm.
more...