Our Products

Relay Parts 12 Products available
Test Kits 7 Products available
Testing Equipment 5 Products available
Power Supply System 4 Products available
High Voltage Testers 4 Products available
Transformers 3 Products available
Auto Transformer
2 Products available
- Single Phase Variac Transformer
- Three Phase Variac Transformer
Inverters
1 Products available
- 15A DC Power Source
Decade Boxes
1 Products available
- 3 Pole Time Interval Meter
Measuring Instruments & Equipment
1 Products available
- Digital Time Interval Meter
Others Products 7 Products available

Our Products

High Voltage Transformer

₹ 13,000 - ₹ 37,000 / Piece Get Latest Price

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan
Material Copper
Finishing Polished
Winding Material Copper
Shape Rectangle
Cooling Type Air Cooled
Operating Type Manual
Usage Industrial, Electricity Distribution
Packaging Type Wooden Box, Carton Box, Film packing
Type High Voltage Transformer
Phase Single Phase
Warranty 1 Year
Country of Origin India

High Voltage Step up transformer only completely enclosed in a powder coated MS box provided with lifting handle. Output voltage measurement with a provision of 10% output voltage tapping. Output glass fuse protected.

Additional Information:

Delivery Time : 2 weeks

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Loading Transformer

₹ 25,000 - ₹ 61,000 / Piece Get Latest Price

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan
Color Maroon brown
Type Step Up Transformer
Country of Origin India
Material Copper
Finishing Polished
Shape Rectangle
Cooling Type Air Cooled
Operating Type Manual
Usage Industrial, Electricity Distribution
Voltage 220 V
Packaging Type Wooden Box, Carton Box, Film packing
Phase Single Phase
Warranty 1 Year
Corrosion Resistance Yes

Features

Light weight - Easily portable with lifting handles.
Enclosed in 5mm thick Hylam sheets.
Wound primary only without secondary windings.
The output secondary winding to be wound at site through centre hole with adequately rated flexible copper cables.

Additional Information:

Delivery Time : 1 WEEK

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Static Phase Shifter

Min. Order (MOQ) 1 Piece
Type SI / PS-1
Country of Origin India
Brand Sudharsan Insulations
Dimensions 315 x 475 x 330 mm
Weight 22 kg
Input 400V – 440V TPN, 50Hz
Reference Phase (current) 0-5Amp Continuously adjustable (current extension unit) (Additional CT: 5A / 1 – 10A)

Features

Three Phase input supply but with output of single phase current and voltage.
Current as Reference phase and voltage vector phase shiftable.
Range of phase shift ( voltage phase) 0 - 360
Digital phase angle meter.
Analogue ammeter and Voltmeter.

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3 Pole Time Interval Meter

Brand Sudharsan Insulations
Driven Type Electric
Country of Origin India
Dimensions 350 x 350 x 120mm
Weight 8kg. Approx
Input 230V, 50Hz 15VA
Output 3 phase display 0.000 to 9999 sec. for each phase

Features

Assembled in VIP moulded suitcase
Facility to calibrate with any standard timer
Can also be used as a single pole timer
Facility to check closing and tripping times of the 3 poles of the breaker simultaneously
Bright LED seven segment display

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Digital Phase Analyzer

Min. Order (MOQ) 1 Piece
Country of Origin India
Type SI / PHA
Weight 15 kg
Voltage up to 200 V A.C
Brand Name Sudharsan Insulations
Dimensions 460 x 380 x 140 mm
Auxiliary input mains supply 230V, 50Hz
Current up to 10 Amp A.C
Phase Angle 0 to 180

Features

VIP Brief case assembled for easy portability.
To measure phase Voltage / Current and Phase angles between Voltage to Voltage, Voltage to Current and between Current to Current.
LED indication of mode selection by Rotary wafer switch for Voltage / Current /Phase angle measurement mode.
Front panel R, Y, B terminals for “Current in” / “Current out” & Potential terminals RN / YN / BN.

Input

Auxiliary input mains supply 230V, 50Hz
A.C. Potential source Terminals RN / YN / BN.
A.C. Current “IN” and Current “ OUT” terminals for R, Y, B Phases

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LTR - 5/10/15 Window Secondary Loading Transformer

Brand Name Sudharsan Insulations
Country of Origin India
Material Mild Steel
Model SI / LTR – 5 / 10 / 15
Short time rating 60 Secs.
Applications Site testing of C.T. Ratios.
Input 230V, 50Hz

Features

Easily transportable with lifting handles.
Enclosed in 5mm thick Bakelite Hylam enclosure.
Wound secondary with brought out Copper Bus bars as output terminals.
AC 230 V input for range up to LTR 10 and LTR – 15

Dimensions

290 x 260 x 150 mm Wt 16 Kg for LTR – 5
290 x 310 x 220 mm Wt 29 Kg for LTR – 10
290 x 350 x 250 mm Wt 35 Kg for LTR – 15

Output

0 – 5V, 1000 Amp max. at TLS. for Type LTR 5
0 – 5V, 2000 Amp max. at TLS. for Type LTR 10
0 – 5V, 2500 Amp max. at TLS for Type LTR 15

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Electrical Test Bench Trolley

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan Insulations
Country of Origin India
Material MS
Weight 350Kg
Model SI /ETB
Dimensions 1366 x 800 x 800 mm
Applications Routine tests of Control / Switch gear panel.
Input 440V, TPN , 50Hz

Features

As per customer’s specifications.
Continuously variable AC / DC Power Sources.
All controls, Indications and Output Terminals from the front panel.
Easy accessibility of components for maintenance.
Transportable with heavy duty castor wheels and Top lifting hooks.
Built in pre fabricated steel enclosure system ( eg. President Rack / Ultima etc.)
Louvered and lockable - side panels, front and rear panel.
Digital Voltmeter, Ammeter where needed

Output

Continuously adjustable AC source 0 – 470V TPN / 8 to 10 Amp
Continuously adjustable Unregulated DC source 0 – 300V DC / 8 to10A.
Regulated fixed DC / AC Voltages – (Optional at extra cost.)
High Voltage test with timer – 3kV / 1minute – (Optional at extra cost).
Secondary Injection – Relay Test
Facility – (Optional at extra cost)
230V Single Phase 3 Pin / 5 Pin Socket outlets.
Mains extension 420V TPN

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Digital Time Interval Meter

Min. Order (MOQ) 1 Piece
Brand Sudharsan Insulations
Driven Type Electric
Country of Origin India
Model TMS/502
Input 230V ± 10%, 50 Hz/60Hz
Display 5 digits LED
Timing Ranges 10Sec / 100Sec / 1000Sec
Accuracy ±0.1% of reading ± 1 digit
Operating Modes Normal, Bounce, Latch
Basic Oscillation Frequency One Mega Hertz – Crystal Oscillator
Environment Upto 45 Deg C
Dimensions 270mm x 100mm x 260mm
Weight 2 kg. approx

Features

Bench top Model
Measurement of Lapsed time between 2 events
Light weight
Exclusively designed for use in Power stations, substations, testing laboratories, switchgear and protection relay manufacture and testing etc.

Timing Mode Selection

Start Mode: NO / NC / VA / VR
Stop Mode: NO / NC / VA / VR

Start Terminals

Timer starts by NO and NC (Normally Open and Normally closed potential free contacts)
Timer also starts by V/A andV/R

Stop Terminals

Timer stops by NO and NC
Timer stops by V/A and V/R

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Milli Volt Drop Test Kit

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan Insulations
Country of Origin India
Model SI / MVD-100 & MVD-10
Material MS
Input 230 V AC, 50 Hz
Phase Single Phase
Output Voltage 0 – 7 V DC Continuously variable

Features

Fabricated in a powder coated ms enclosure with lifting handles
cover for front panel component protection
Digital milli volt and ampere meter

Application

Breaker contact resistance measurements
Busbar joint’s effectiveness

Output Current

0 - 100Amps Maximum DC -For MVD- 100
0 - 10Amps Maximum DC -For MVD - 10

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AC DC Converter

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan Insulations
Country of Origin India
Type AC/DC 5A & 15A
Weight 4kg.
Dimensions 260x120x120 mm
Input 440V, TPN, 50Hz
Output 110V, TPN, 100mA (max), Short time rtg

Light Weight, portable, 3phase , Mains isolated step down transformer to augment the test needs of 110V AC, 3phase secondary of the potential transformer.

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Three Phase Step Down Transformer

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan Insulations
Country of Origin India
Weight 4kg
Dimensions 260x120x120 mm, Approx
Input 440V, TPN, 50Hz
Output 110V, TPN, 100mA (max), Short time rtg.,
Volts 440V / 110 VOLTS
Phase Three Phase

Light Weight, portable, 3phase , Mains isolated step down transformer to augment the test needs of 110V AC, 3phase secondary of the potential transformer

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LTR - 20 Spl Window Model Loading Transformer

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan Insulations
Material Mild Steel
Country of Origin India
Weight 50kg Apx
Dimensions 460x330x330mm ht,
Applications On-Site testing of C.T. Ratios

Features

Easily transportable with lifting handles. Enclosed in 5mm thick Bakelite Hylam enclosure.
Wound secondary with brought out Copper Bus bars as output terminals.
AC 230 V input for range up to LTR - 10 & 15 and 440 V input for range LTR – 20 & 20 Spl.

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15A DC Power Source

Min. Order (MOQ) 1 Piece
Brand Name Sudharsan Insulations
Driven Type Electric
Country of Origin India
Type AC/DC 5A & 15A
Weight 40Kg appx
Dimensions 490 X 290 X 260mm appx
Input 230V, 50Hz
Output 1Non Mains isolated 0-300V DC
Rating 15A DC, Cont

Features

Enclosed in powder coated MS Box, Front Panel consisting of Input MCB/ Neon Indication/ P.B. Start contactor switching/ Variac for adjusting output Voltage/ Digital DC Volt and Ammeter/ Input and Output Terminals/ Lift Handles and removable front panel protection cover etc.

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