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CURRENT TRANSFORMERS

PORTABLE PRECISION GRADE C.T.

Portable Low Tension precision grade multi ratio Current Transformers, housed in laminated wooden cabinet, wound primary with suitable terminals on highly insulated bakelite panel upto 100 Amps. For higher ranges, a centre hole is provided for passing primary conductors for desired range. Standard ranges in wound primary is 100-50-25-10-5-2.5-1 Amps and secondary 5 Amps or 1 Amp, Burden 5 VA or 10 VA or 15 VA and class of accuracy +1% or + 0.5% or + 0.2%. While sending enquiries, please mention the primary ranges, secondary range, VA Burden and class of accuracy.

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L.T.BAR PRIMARY TAPE INSULATED C.Ts.

Low Tension bar primary tape insulated Current Transformers suitable for use with Ammeters. The ratio error is adjustable to + 1% and phase error is left uncompensated.

Ratio         Burden    Accuracy    Ratio    Burden     Accuracy
50/5A           2 VA       1%            300/5A   5 VA           1% 
100/5A         2 VA       1%            400/5A    5 VA          1%
100/5A         5 VA       1%            500/5A    5 VA          1%
200/5A         5VA        1%            600/5A    5 VA          1%

Low Tension bar primary tape insulated current transformers, air cooled conforming to ISS:2705 1992.

Ratio         Burden          Accuracy          Ratio          Burden         Accuracy        Ratio          Burden        Accuracy
50/5A         5 VA               5%            400/5A       15 VA              1%           1500/5A    15 VA             1%
60/5A         5 VA               5%            500/5A       15 VA              1%           2000/5A    15 VA             1%
75/5A         5 VA               5%            600/5A       15 VA              1%           3000/5A    15 VA             1%
100/5A       5 VA               1%             800/5A      15 VA               1%          4000/5A     15 VA             1%
200/5A      10 VA              1%             1000/5A     15 VA               1%          5000/5A     15 VA             1%
300/5A      10 VA              1%             1200/5A     15 VA               1%          6000/5A     15 VA             1%

Note: C.Ts. with 1 Amp secondary can also be supplied against specific requirements.

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WPLT RESIN CAST C.Ts.

Bar primary low tension resin cast air cooled current transformers with secondary terminals brought out directly to avoid any tampering.

Ratio         Burden          Accuracy          Ratio          Burden          Accuracy
100/5A      5 VA                5%                  500/5A       15 VA               1%
150/5A      5 VA                5%                  600/5A       15 VA               1%
200/5A      10 VA               5%                 800/5A        15 VA              1%
300/5A      15 VA               1%                 1000/5A      15 VA               1%
400/5A      15 VA               1%                 1200/5A      15 VA               1%

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BAR PRIMARY RESIN CAST C.Ts.

Bar primary low tension resin cast current transformers for protection application.

Ratio         Burden          Accuracy          Ratio          Burden         Accuracy
300/5A       15 VA             10P5                 800/5A        15 VA           10P10
400/5A       15 VA             10P5                 1000/5A      15 VA            5P10
500/5A       15 VA             10P5                 1200/5A      15 VA            5P10
600/5A       15 VA             10P5                 1600/5A      15 VA            5P10

'SUPREME' Bar primary low tension resin cast current transformers conforming to ISS:2705:81 ratio from 10/5A to 400/5A, Burden 15 VA class of accuracy 0.5.

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EDUCATIONAL LABORATORY PORTABLE DESK TOP METERS

Laboratory Desk-top instruments are specially designed for easy to use in Schools, Colleges, Radio Shop, Laboratories and Factories. Mounted on insulated Moulded desk type stand with connection on top terminals. The instruments have clear acrylic front ; size 106 x 84 mm with knife edge pointer & an anti-parallax mirror dial. All meters are inclined at an angle of 450 for easy reading. Ranges on multi-range model are selected by connecting to appropriate terminals. These instruments are ideal for use as teaching models and for experiments.

Accuracy + 2% of FSD

We offer the following Models :

Moving Coil DC Meters, Type EDM-I
Moving Coil AC Rectifier Meters, Type EDM-II
Moving Iron AC Meters, Type EDM-III

* External Shunts for Higher Range Ammeters
* Centre Zero Instruments are also available

            Instruments are available in SINGLE, DUAL & TRIPLE ranges

Ammeter                                                                              1A          to     30 A

Microammeter                                                                       25uA       to     1000uA

Milliammeter                                                                          1mA        to     1000mA

Voltmeter                                                                             1V          to      600V

Millivoltmeter                                                                         10mV      to      1000mV

Galvanometer                                                                        30-0-30   &       50-0-50


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