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Electro Mechanical Relays

Wholesale Trader of a wide range of products which include vagm 22 instantaneous voltage relays, sudhir flameproof junction box, alstom cag34 circulating current relay, alstom cag14 circulating current relay, alstom vaa23 auxiliary relays and alstom vaa22 auxiliary relays.

VAGM 22 Instantaneous Voltage Relays

VAGM 22 Instantaneous Voltage Relays
  • VAGM 22 Instantaneous Voltage Relays
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Approx. Price: Rs 9,000 / UnitGet Latest Price
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Product Details:

Usage/ApplicationIndustrial
BrandAlstom
Voltage660 V AC/DC
Model Name/NumberVAGM 22
Current5-30 A
Frequency50 Hz
Power Ratings1250 - 7500 W
Operating Time0.060 second
Overall Dimensions233 x 170 x 203 mm (H x W x D)
Gross Weight5.5 kg

Features:
  • Adjustable setting range
  • Very high drop off / pick up ratio
  • Unaffected by normal variation in frequency of input voltage
  • Simple and robust construction
  • Positive action without chatter

Application:
  • Instantaneous over: Voltage protection of generators, capaci-tors etc
  • Definite time undervoltage protection of ac motors
  • Automatic voltage changeover schemes and other instantane ous and definite time under voltage and overvoltage applica-tions requiring adjustable settings.

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Sudhir Flameproof Junction Box

Sudhir Flameproof Junction Box
  • Sudhir Flameproof Junction Box
  • Sudhir Flameproof Junction Box
  • Sudhir Flameproof Junction Box
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Approx. Price: Rs 6,500 / PieceGet Latest Price
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Product Details:

Model Name/NumberJB
BrandSUDHIR
Usage/ApplicationIndustrial
Field Circuit Voltage250V,450V,650V and 850V
Auxiliary VoltageSingle Phase 230/240V,50Hz
Operating Time40-60 m.secs. at 5 times pick-up
Relay SettingFixed pick-up setting of 1 m.A.
Case1D vertical drawout

Features:
  • High sensitivity.
  • Variable setting range.
  • Fast operation.
  • High drop-off/pick-up ratio.
  • Self powered. No aux. supply is required.
  • Applicable for a wide range of battery voltages.
  • Provision for using external milliammeter.
  • Drawout case and tropicalised finish.
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Alstom CAG34 Circulating Current Relay

Alstom CAG34 Circulating Current Relay
  • Alstom CAG34 Circulating Current Relay
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Approx. Price: Rs 9,000 / PieceGet Latest Price
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Product Details:

Usage/ApplicationIndustrial
Current1A or 5A
BrandAlstom
Model NoCAG34
Operating Time25 milliseconds at 5 times the current setting
Burdens0.9VA at current setting on lowest tap. 1.0VA at current setting on highest tap.
Short Time20x setting current for 3 seconds.
Overall Dimensions233 x 170 x 203 mm (H x W x D)
Gross Weight6.0 kg Approx
Terminal Screws29 mm

Features:
  • Simple and robust construction.
  • High stability on external faults.
  • Sensitive high speed protection on internal faults.

Application:
  • Differential protection of ac machines, reactors, auto transformers and bus bars.
  • Balanced and restricted earth fault protection of generators and transformer windings.
  • Transverse differential protection of generators and parallel feeders.
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Alstom CAG14 Circulating Current Relay

Alstom CAG14 Circulating Current Relay
  • Alstom CAG14 Circulating Current Relay
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Approx. Price: Rs 9,000 / PieceGet Latest Price
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Product Details:

Usage/ApplicationIndustrial
Current1A or 5A
BrandAlstom
Operating Time25 milliseconds at 5 times the current setting
Burdens0.9VA at current setting on lowest tap. 1.0VA at current setting on highest tap.
Overall Dimensions233 x 170 x 203 mm (H x W x D)
Gross Weight6.0 kg Approx
Terminal Screws29 mm
Model NumberCAG14

CAG14 relay is applied for high impedancerestricted earth fault protection ofgenerator, transformer, reactor and busbars. It is also used with a follower timerfor time delayed earth fault protection.Other applications include capacitor bankunbalance protection, generator interturn fault protection etc.

Features:
  • Simple and robust construction.
  • High stability on external faults.
  • Sensitive high speed protection oninternal faults.

Application:
  • Differential protection of ac machines,reactors, auto transformers and busbars.
  • Balanced and restricted earthfault protection of generators andtransformer windings.
  • Transverse differential protection ofgenerators and parallel feeders.
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Alstom VAA23 Auxiliary Relays

Alstom VAA23 Auxiliary Relays
  • Alstom VAA23 Auxiliary Relays
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Approx. Price: Rs 8,900 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125, 220-250 V
Usage/ApplicationIndustrial
Model Name/NumberVAA23
Current7.5 - 30 A
Packaging TypeBox
Operating Times15-20 ms typical minimum at nominal voltage
Operating Capacity600 per hour
Power SourceElectric

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version. 

Application:
Control, alarm, indication and  other auxiliary duties in ac or dc systems.

The type VAA Plug-in-relays is specially designed for industrial control duties requiring respetitive switching operations. It is capable    of providing over 5 million operations without servicing and  will  withstand an  operation  of  upto 600 per hour.
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Alstom VAA22 Auxiliary Relays

Alstom VAA22 Auxiliary Relays
  • Alstom VAA22 Auxiliary Relays
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Approx. Price: Rs 9,000 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125, 220-250 V
Usage/ApplicationIndustrial
Model Name/NumberVAA 22
Current7.5 - 30 A
Packaging TypeBox
Operating Times15-20 ms typical minimum at nominal voltage
Operating Capacity600 per hour

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version. 

Application:
Control, alarm, indication and  other auxiliary duties in ac or dc systems.

The type VAA Plug-in-relays is specially designed for industrial control duties requiring respetitive switching operations. It is capable    of providing over 5 million operations without servicing and  will  withstand an  operation  of  upto 600 per hour.
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Alstom VAA21 Auxiliary Relays

Alstom VAA21 Auxiliary Relays
  • Alstom VAA21 Auxiliary Relays
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Approx. Price: Rs 16,500 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125, 220-250 V
Usage/ApplicationIndustrial
Model Name/NumberVAA 21
Current7.5 - 30 A
Operating Times15-20 ms typical minimum at nominal voltage
Operating Capacity600 per hour

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version.

Application:
Control, alarm, indication and other auxiliary duties in ac or dc systems.

Control, alarm, indication and other auxiliary duties in ac or dc systems. The type VAA Plug-in-relays is specially designed for industrial control duties requiring respetitive switching operations. It is capable of  providing  over 5 million operations without  servicing and  will  withstand an operation of upto 600 per hour.
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Alstom VAA31 Auxiliary Relays

Alstom VAA31 Auxiliary Relays
  • Alstom VAA31 Auxiliary Relays
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Approx. Price: Rs 9,000 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125, 220-250 V
Usage/ApplicationIndustrial
TypeVoltage Relays
Model Name/NumberVAA31
Current7.5 - 30 A
Packaging TypeBox
Operating Times15-20 ms typical minimum at nominal voltage
Operating Capacity600 per hour

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version
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Alstom DTTM 11 High Speed Biased Differential Relay

Alstom DTTM 11 High Speed Biased Differential Relay
  • Alstom DTTM 11 High Speed Biased Differential Relay
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Approx. Price: Rs 2,000 / UnitGet Latest Price
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Product Details:

Model Name/NumberDTTM 11
BrandAlstom
Usage/ApplicationIndustrial
Supply Voltage110/125,220/250 V DC
Current Ratings1A or 5A
Overall Dimensions362 x 170 x 203 mm (H x W x D)
Gross Weight8.3 kg approx

Features:
  • High speed.
  • Low burden.
  • Immunity to magnetising inrush.
  • Immunity to transients and surges
  • Compact in size.
  • Single pole version with separate flags for differential/highset operation available.
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Alstom MFVUM 12 Digital Frequency Relay

Alstom MFVUM 12 Digital Frequency Relay
  • Alstom MFVUM 12 Digital Frequency Relay
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Approx. Price: Rs 16,000 / UnitGet Latest Price
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Product Details:

BrandAlstom
Usage/ApplicationIndustrial
Voltage220-250 V DC
Model Name/NumberMFVUM 12
Measuring Circuits1VA at 150V and 50Hz
Repetition Rate400 per sec.
Storage Temperature-25 to +70 Deg C
Humidity93% RH
Protection ClassIP50
Vibration0.5g
Basic accuracy+/-3%

Features:
  • Single frequency measuring stage- instantaneous and definite timefor type MFVUM 12
  • Two definite time frequencymeasuring stages for type MFVUM 22.
  • Fully independent or differentialpick-up/drop-off operation fortype MFVUM 22.
  • Wide frequency setting ranges 10.001 - 500 Hz. Site selectableunder-frequency or over-frequency mode.
  • Built-in timer with wide settingrange.
  • Wide operating voltage range.
  • Consistent accuracy.
  • Low burden.
  • Positive calibrated settings bymeans of switches.
  • Test facility.
  • Compact design
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Alstom DTTM 12 High Speed Biased Differential Relay

Alstom DTTM 12 High Speed Biased Differential Relay
  • Alstom DTTM 12 High Speed Biased Differential Relay
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Approx. Price: Rs 12,500 / PieceGet Latest Price
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Product Details:

Model Name/NumberDTTM 12
BrandAlstom
Voltage110/125,220/250 V DC
Usage/ApplicationIndustrial
Current1A or 5A
Overall Dimensions362 x 170 x 203 mm (H x W x D)
Gross Weight8.3 kg Approx
Operating Time45 ms

Features:
  • High speed.
  • Low burden.
  • Immunity to magnetising inrush.
  • Immunity to transients and surges
  • Compact in size.
  • Single pole version with separate
  • flags for differential/highset
  • operation available
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Alstom MFVUM 22 Digital Frequency Relay

Alstom MFVUM 22 Digital Frequency Relay
  • Alstom MFVUM 22 Digital Frequency Relay
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Approx. Price: Rs 15,000 / PieceGet Latest Price
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Product Details:

BrandAlstom
Usage/ApplicationIndustrial
Voltage220-250 V DC
Model Name/NumberMFVUM 22
Measuring Circuits1VA at 150V and 50 Hz
Repetition Rate400 per sec.
Storage Temperature-25 to +70 Deg C
Protection ClassIP50

Features:
  • Single frequency measuring stage- instantaneous and definite timefor type MFVUM 12.
  • Two definite time frequencymeasuring stages for typeMFVUM 22.
  • Fully independent or differentialpick-up/drop-off operation for type MFVUM 22.
  • Wide frequency setting ranges10.001 - 500 Hz. Site selectableunder-frequency or over-frequency mode.
  • Built-in timer with wide setting range.
  • Wide operating voltage range.
  • Consistent accuracy.
  • Low burden.
  • Positive calibrated settings bymeans of switches.
  • Test facility.
  • Compact design
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VAX 31 Trip Circuit and Trip Coil Supervision Relay

VAX 31 Trip Circuit and Trip Coil Supervision Relay
  • VAX 31 Trip Circuit and Trip Coil Supervision Relay
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Approx. Price: Rs 4,500 / PieceGet Latest Price
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Product Details:

BrandAlstom
Voltage110/125,220/250 V
Usage/ApplicationIndustrial
Model Name/NumberVAX 31
Overall Dimensions233 x 170 x 203 mm (H x W x D)
Gross Weight5.2 kg
Power1250 - 7500 W
Maximum Loop Resistance50 ohms
Terminal Studs Length76 mm

Features:
  • Simple and robust construction
  • Positive action without chatter
  • Choice of pre-closing and post-closing supervision

Application:
Post-closing or continuous supervision of the trip circuit of cir-cuit breakers

General Description:
Type VAX and MVAXM relays are of simple and robust con-struction. They are arranged to initiate an audible alarm and visual indication if the trip circuit of a circuit breaker fails or the breaker tripping mechanism does not operateTwo versions of type VAX and MVAXM relays are available. Type VAX 21 and MVAXM 21 relays monitor the trip circuit only when the circuit breaker is closed (post-closing supervision only) while type VAX 31 and MVAXM 31 relays monitor the trip circuit continuously (both pre-closing and post-closing supervi-sion). Both versions detect the following conditions
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P15D Dual Reverse Powered Overcurrent Relay

P15D Dual Reverse Powered Overcurrent Relay
  • P15D Dual Reverse Powered Overcurrent Relay
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Approx. Price: Rs 90,000 / PieceGet Latest Price
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Product Details:

Model Name/NumberP15D
BrandAlstom
Voltage24-50 V AC/DC or 100-230 V AC/DC
Usage/ApplicationIndustrial
Operating Temperature-25 to +65 Deg C
Protection ClassIP52

The P15D is a dual powered non-directional overcurrent and earth fault relay which provides protection for applications where no external auxiliary power supply is available, or where the auxiliary supply available does not guarantee the dependability required for protection applications.

Customer Benefits:
  • Ci only or Toni powered relay
  • Coro burden on substation battery when CT energiseg
  •  Cost effective
  • Measurement protection and monboring In one box
  • Front IPSO port for local communication
  • Internal rtert for maintaining LCD/communication during fault
  • Compact size 

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VDG 13 Under Voltage Relay

VDG 13 Under Voltage Relay
  • VDG 13 Under Voltage Relay
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Approx. Price: Rs 45,000 / PieceGet Latest Price
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Product Details:

Usage/ApplicationIndustrial
BrandAlstom
Voltage110,240,250 or 440 V AC
Model Name/NumberVDG 13
Current30 A
Overall Dimensions233 x 170 x 203 mm (H x W x D)
Gross Weight6 kg
Operating Time0 - 5.0 seconds at zero voltage
Frequency40-70 Hz (7%)
Coil Rating24V DC - 240V DC

Discription:
Relay type VDG 13 is a heavilydamped, frequency compensatedinduction disc relay with adjustableinverse time/voltage characteristic.With the relay electro-magnet de-energised, the disc contact is held inthe closed position by a spiralcontrol spring.  When the ratedvoltage is applied to the relay coil, atorque is produced in the contactopening direction and when theapplied voltage falls below thesetting value, the control springtorque overcomes the driving torqueand closes the contact.  Damping ofthe disc movement is by aremovable high retentivitypermanent magnet. The unique method of winding theoperating coil ensures that the time/voltage characteristics are identicalon each of the voltage taps.Selection of the required voltagesetting is by means of a link boardwhich has a single insulated link.Taps on the operating coil and aseries resistance are connected tothe link board and provide aconstant inductance/resistance ratioon each voltage setting andfrequency compensation effect isobtained by using the correctcombination of coil reactance andresistance.The relay operating time can beadjusted by means of the disc back-stop which is controlled by rotatinga knurled moulded disc at the baseof the graduated time multiplierscale.Type VDG 13 relay is a single polerelay.

Features:
  • Identical time/voltage characteristics on all taps.
  • Frequency compensated.
  • Simple construction, easily accessible.
  • Comprehensive range of auxiliary unit ratings.
  • Dust tight drawout case and tropicalised finish.

Application:
Relay type VDG 13 is an inverse time undervoltage protection of ac circuits, capacitors, rectifiers and machines such as induction motors.
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Alstom VAA13 Auxiliary Relay

Alstom VAA13 Auxiliary Relay
  • Alstom VAA13 Auxiliary Relay
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Approx. Price: Rs 5,000 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125 V, 220-250 V AC/DC
Usage/ApplicationIndustrial
Model Name/NumberVAA13
Current5 - 30 A
Operating Capacity600 per hour
Power1250-7500 W
Operating Times15-20 ms

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version

Application:
Control, alarm, indication and   other auxiliary duties in ac or dc systems.

The type VAA Plug-in-relays is  specially designed for industrial control duties requiring respetitive switching operations. It is capable of providing  over 5 million operations without servicing and  will withstand an  operation  of  upto 600 per hour 
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Alstom VAA12 Auxiliary Relay

Alstom VAA12 Auxiliary Relay
  • Alstom VAA12 Auxiliary Relay
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Approx. Price: Rs 4,950 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125 V, 220-250 V AC/DC
Usage/ApplicationIndustrial
Model Name/NumberVAA12
Current5 - 30 A
Operating Times15-20 ms
Power1250-7500 W
Operating Capacity600 per hour

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version

Application:
Control, alarm, indication and   other auxiliary duties in ac or dc systems.

The type VAA Plug-in-relays is  specially designed for industrial control duties requiring respetitive switching operations. It is capable of providing  over 5 million operations without servicing and  will withstand an  operation  of  upto 600 per hour 
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Alstom VAA11 Auxiliary Relay

Alstom VAA11 Auxiliary Relay
  • Alstom VAA11 Auxiliary Relay
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Approx. Price: Rs 3,200 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-125 V, 220-250 V AC/DC
Usage/ApplicationIndustrial
Model Name/NumberVAA11
Current5 - 30 A
Operating Times15-20 ms
Power1875-7500 W

VAA relays are voltage operated relays.The relays are attracted armature units ofcompact design with positive action anda high degree of mechanical stability. Therelays can be supplied with self, or handreset contacts and changeover contacts. Standard contacts are of silver/copperalloy. They are shaped and positionedto ensure a reliable and low resistancenormally open or normally closed contact.Standard VAA 11/21 relays are suitablefor ac/dc supply and standard VAA 13/23relays are suitable for dc supply only.

Features:
  • Simple and robust construction
  • Positive action and high mechanical stability
  • Heavy duty contact available, where required
  • Slugged relays with delay on operation / reset available in ac/dc version.

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Alstom VAPM 31 Fuse Failure Relay

Alstom VAPM 31 Fuse Failure Relay
  • Alstom VAPM 31 Fuse Failure Relay
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Approx. Price: Rs 12,000 / UnitGet Latest Price
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Product Details:

BrandAlstom
Voltage110-220 V
Model Name/NumberVAPM 31
Usage/ApplicationIndustrial
Frequency50 Hz
Burden3.5 VA per phase
Accuracy+/- 5%
Thermal Rating110% of rated voltage continuously
Overall Dimensions233 x 170 x 203 mm (H x W x D)
Weight3.5 kg approx

VAPM31 Relay is used for detection offailure or inadvertent removal of voltagetransformer secondary fuses and forprevention of incorrect tripping of circuitbreakers.

Features:
  • High speed operation
  • Compact and robust construction
  • Positive action
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Simranjeet Singh (Partner)
Ajminson Associates
No. 5/9, Moti Nagar
Kirti Nagar, New Delhi - 110015, Delhi, India


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