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Test Sets For Switchgear Industries

These durable and modern Test Sets For Switchgear Industries are developed for determining the tripping of circuit in emergency or random current fluctuation. These testing systems save the outage and break-down of any electrical systems. They are designed to be used on multiple types of circuits. From voltage, current to vacuum, every factor is precisely tested to provide accurate results. They are easy to use and install sets available with user-friendly features.

Relay Test Set (ZNT33)

The Set is in two units.

i) Current Source, Voltage Source & Measuring Unit:

Current circuit, AC & DC voltage circuits, protective circuit, contactor, measuring circuits etc. will all be housed within sturdy MS cabinet. Also meters, terminals, indicators, regulator knobs, timer display etc. will be fitted on the horizontal panel of the same cabinet which can be approached by opening the top hinged lid. Wheels will be provided for easy movement.

ii) Phase Shifter Unit:

Static type phase shifting transformer will be housed within this MS unit. Input output interconnection socket, Phase

Shifting 'Coarseï & 'Fineï control knobs are fitted on the horizontal plane of the sturdy MS cabinet, which can be approached by opening the top, hinged lid.

Special Features:

Fault phase voltage adjustable between 0 to 100%.

Fault current adjustable between 0 to 100%.

Phase angle adjustment & measurement 00 to 3600.

Digital Time Interval meter.

Voltage & Current indications by digital meters.

While testing is in phase-to-phase fault mode, selectable phase currents i.e. say, R-Y will be in opposition. The neutral & remaining third phase current, B, will then be absent. For this, selectable switch is provided.

Technical Features:

Input Voltage : 415V, 3 phase, 4 wire, 50Hz. AC.

Output(s)

[a] Test Current:

0 to 1, 5, 10, 25 & 50A having 0 - to 100% regulation in each tap. Rated maximum burden: 250VA.

Duty cycle:

i) Continuous upto 10A.

ii) 25A & 50A outputs are rated for intermittent duty cycle ie. 25A - 3 minutes 'ONï & 50A - 30 secs 'ONï.

[b] Test Voltages:

AC voltage source:

110 volts, phase to phase, 63.5 volts phase to neutral, and 3 phase 50Hz. AC continuously variable from 0 to 100%. Rated maximum burden: 250VA.

Fixed DC voltage source:

Isolated fixed

30V/110V/220V DC of 100VA, without metering will be available for 30 mins.

[c] Phase Angle Variation:

0 to 3600 between voltage & current.

[d] Time measurement:

0-9.999secs. & 0-99.99secs. in two steps.

Current Circuit:

Loading Transformer:

Double winding loading transformer of suitable burden to provide corresponding current output specified before.

Measuring CT:

Multi-ratio wound primary current transformer:

Ratio: 1-5-10-25-50/1A with current range selectable rotary switch.

Variable Auto-transformer:

[1 no. for each phase] For smooth variation of current output at various ranges selected.

Tripping circuit:

The current output would be cutoff incase of any overload or even if the relay under test actuates.

Metering: CT operated ammeter

Range: 0 to 1A AC. Scaled: 0 to 100% for all the selected current ranges. Accuracy: ï1%. Resolution: 0.1%.

Voltage Circuit:

Variable Auto-transformer:

[1 no. for each phase] For smooth variation of voltage output from zero to rated voltage. Fault mode selector switch

Metering: Voltmeter with phase selector.

Range: 0 to 200V.

Accuracy: ï1%. Resolution: 0.1V.

DC Voltage circuit:

Double wound multitap isolated transformer is provided for fixed DC voltage sources. 30V/110V 220V are selected one at a time by selector switch.

Phase Shifter Circuit:

Static Type Phase Shifting Transformer

Primary Voltage: 415V, 3 ph., 50Hz. AC.

Secondary Voltage: 110V, 3 ph. 50Hz. AC.

0 to 3600 phase angle variation by coarse and fine control.

Coarse control will be in steps of 600 while fine control will be of + 300

Capacity: 250VA.

Metering:

Phase Angle Meter: 3600.

Resolution: 10.

There will be provision for phase selection by selector switch.

Timer Circuit:

Measuring Range Resolution

9.999secs. 0.001sec.

99.99secs. 0.01sec.

Display : Seven segment LED.

Accuracy : ï1%.

Terminals to relay contacts.

Reset push button.

Selector for NO & NC contact.

Potential free start timer for opening or closing of auxiliary contact of the contactor.

Interconnection Cable:

Necessary cables of 1-meter length along with plug will be provided for interconnection between two units.

Mains Input Cable:

Four-core cable of 5 meters length will be provided. All the meters will be digital type.

Documents:

Operation Manual(Instruction Manual)

Works Test Report

Warrantee Certificate

Relay Test Set (PSRNT200FC)

TECHNICAL FEATURES:

Input Voltage : 230volts+10%, single phase, 50Hz. AC

Output(s

a) Current Output:

RANGE NO                                   LOAD VOLTAGE(MIN.)                RECOMMENDED LOAD/ UN LOAD

                                                                                                               TIMES ON (MAX.)/OFF (MIN.)

0 - 2A                                                        120 V                                                 CONTINUOUS

0 - 10A                                                        40 V                                                15/10 MINUTES

0 - 20A                                                        40 V                                                10/10 MINUTES

0 - 100A                                                        5 V                                                  2/10 MINUTES

0 - 200A                                                        5 V                                             30 SEC/10 MINUTES

b) AC Voltage Output: Continuously variable 0 to 250 Volts AC. Capacity: 1Amps max.

c) DC Voltage Output: Continuously variable 0 to 240 Volts DC. Capacity: 0.5 Amps max.

d) Time measurement: Digital Time Interval Meter: 0-9999.9999secs.

CURRENT CIRCUIT:

Loading Transformer:

Double winding loading transformer of suitable burden to provide corresponding current output specified before.

Measuring CT:

Multi-ratio wound primary current transformer. Ratio: 2-20-200A / 2A.

Variable Autotransformer:

For smooth variation of current output at various ranges selected.

Protection: The current output would be cutoff in case of any overload or even if the relay under test actuates.

Metering: Direct reading with meter range selector.

AC VOLTAGE CIRCUIT:

For smooth variation of voltage output from 0 to 250 volts AC at 1Amps.

Metering: Digital, Range: 0 to 250V AC.

DC VOLTAGE CIRCUIT:

Separate DC voltage source with ON/OFF switch, fuse & lamp indication.

For smooth variation of voltage output from 0 to 240 volts DC at 0.5 Amps.

Isolation transformer of suitable burden is provided for DC output.

Metering: Digital, Range: 0 to 250V DC.

Provision for the Timer contact for checking protective equipment like breaker/Relay tripping.

Time Interval Meter (TIM):

Microcontroller based 8 digits Timer.

Range: 0 - 9999.9999 seconds with minimum count of 0.1 milli seconds. Accuracy 0.05%.

The Timer will be capable to record & display the tripping time of relay under test automatically.

The Time Interval meter will be suitable to measure Closing (Make) and Opening (Break) time for Relay through Potential Free contacts.

The TIM will be provided with Rest facility.

GENERAL ARRANGEMENT:

The Test Kit will be in one unit and Flight case type.Meters, Terminals, Indicators, Regulator knobs, Timer, Display etc. will be fitted on the horizontal panel of the set, which can be approached by opening the top lid. Loading transformer, Measuring CT & protection circuit etc. will also be housed within the same unit.

ACCESSORIES:

The Test set will be supplied with

i. 3 Pin Mains Input power cord -3 meters-1 no.

ii. Output connecting cables for Current Circuit & Voltage Circuits terminated with lug at one end and

crocodile clip at the other end -1.5 meters each pair.

iii. Timer output screened guard leads with connectors/ clips -1.5meters-1 pair.

iv. Earth leads with connectors/clips.

v. Leather or similar type carrying case for cables.

Dimension (Approx.): 520mm X 388mm X 315mm (LengthXWidthXHeigth)

Weight. (Approx.): 38 Kgs.

DOCUMENTS:

Operation Manual, Works Test Report, Warrantee Certificate will be supplied along with the Set.

Note: The Dimension, weight & look of the Test Set may vary at the time of manufacture due to design innovation.

NTT4DSA-HR DIGITAL TIME INTERVAL METER

NTPL" Digital Time Interval Meter is suitable designed and is made with extensive use of integrated circuit to achieve long and trouble free service.

Technical Features 

Display: Four digit display with 7 segment LED (12.5mm). 

Range: 9.999Secs., 99.99Secs & 999.9Secs. i.e. 15Seconds& 1000 Seconds are available within these ranges.

Reset Facility : This is available in the form of push button switch.

Power Supply: 230 volts + 10% at 50 Hz AC.

Basic Accuracy: 0.5%+ 2digit.

Latching: This facility is available for only clean signals on contact closing and opening without bouncing.

Operation Mode: Opening or Closing of potential free contact.

Start or Stop: On contact opening / closing of the Relay under test.

Corresponding terminals are provided.

Approx. Dimension: L=269mmXW=204XH=132mm

Approx. Weight: 4.2Kg.

Documents:

Operation Manual, Works Test Report, Warrantee Certificate will be supplied along with the Set.

NTT8DSA DIGITAL TIME INTERVAL METER

Scope

"NTPL" Digital Time Interval Meter can be used for calibration & also for testing with other Timer. The Time Interval Meter is made with extensive use of integrated circuit to achieve long and trouble free service.

Technical Features 

Display :8 digit display with 7 segment LED (12.5mm). 

Range:

  • 0 - 999.99999 Sec. (Min. count: 000.00001 Sec. & Max. count: 999.99999 Sec.)
  •  0 - 9999.9999 Sec. (Min. count: 0000.0001Sec. & Max. count: 9999.9999 Sec.) 

Accuracy:+ 0.2% of rdg + 4 digit

Reset Facility: This is available in the form of push button switch.

Power Supply:230 volts + 10% at 50 Hz AC.

Latching : This facility is available for only withdrawal of clean +5V DC or change of NO to  NC mode of contact.   

Documents: 

Operation Manual, Works Test Report, Warrantee Certificate will be supplied along with the set.

Note: The look, dimension & weight of the Test Set-up may vary at the time of manufacture due to design innovation.

NTT4DSA-5R DIGITAL TIME INTERVAL METER

NTPL" Digital Time Interval Meter is suitable designed and is made with extensive use of integrated circuit to achieve long and trouble free service

Technical Features

Display: Four digit display with 7 segment LED (12.5mm).

Range    :

 

  • 000.1mSec. to 999.9mSec.
  • 0.001Sec. to 9.999Sec.
  • 00.01Sec. to 99.99Sec.
  • 000.1Sec. to 999.9Sec.
  •  0001Sec. to 9999Sec.

 

Reset Facility : This is available in the form of push button switch.  

Power Supply: 230 volts + 10% at 50 Hz AC.

Basic Accuracy: + 1%, + 1 digit.

Latching: This facility is available for only clean signals on contact closing and opening without bouncing.

Operation Mode: Opening or Closing of potential free contact.

Start or Stop: On contact opening / closing of the Relay under test.

Corresponding terminals are provided.

Approx. Dimension: L=269mmXW=204XH=132mm

Approx. Weight: 4.2Kg.

Documents:

Operation Manual, Works Test Report, Warrantee Certificate will be supplied along with the Set. 

 

 

3 CHANNEL TIME ANALYSER FOR CIRCUIT BREAKER

NTPL MAKE 3 CHANNEL TIMEANALYSER FOR CIRCUITBREAKER

TYPE NTT3CHCBTAR2

 

Theabove Time Analyzer is suitable to check simultaneous operation in threedifferent channels of 3 phase Power Circuit Breaker. The instrument is portableand is made with extensiveuse of integrated circuits to achieve accurate, long and trouble free service.

TECHNICAL FEATURES

Mains Supply                              230 volts + 10% 50Hz single phase AC.

No. Of Channels                         3

Time Measurement                    0 to 999.9m Sec., Resolution 0.1ms

Display                                        4 digit display for each channel.

Accuracy                                     + 1% + 1 digit.

Operation Mode                           Opening or closing of potential freecontact.

Latching                                       Thisfacility is available for only clean signals of contact closing and                                                          opening withoutbouncing.

Reset                                            Bypush button switch.

 

The Timer will be providedwith CLOSE OPEN  and CLOSE-OPEN (C-O) push button switch incorporatingcontrol arrangement for supply of Power Source to CLOSE and OPEN coil ofCircuit Breaker under test and simultaneous start operation of the TimeAnalyzer. The timer stops with the change of status of the main contact withfeedback (potential free) from the main contacts of the circuit breaker.

 

The Power Source to the CLOSE and OPEN coil can be provided at extra cost by NTPL with following specifications

i.       Power Supply (Type CBA ACDC2)

Input                                       230 volts, 50 Hz. 1 phase A.C.

Output                                    0 to 220V continuously variable DC.

                                               Capacity : 2 A continuous and 10A for instantaneous for 5Sec. Duty.

                                                            Or

                                               0to 240V continuously variable AC.

                                         Capacity : 2 A continuous and 10Afor instantaneous for 5Sec. Duty.

Compatible with our 3 Channel Time Analyzer.

ii.      Power Supply (Type CBA ACDC4)

Input                                       230 volts, 50 Hz. 1 phase AC.

Output                                    0 to 220V continuously variable DC.

                                               Capacity: 4 A continuous and 10A for instantaneous i.e. for 5Sec. Duty.

                                                                                Or

                                               0to 240V continuously variable AC.

                                                Capacity : 4 A continuous and10A for instantaneous i.e. for 5Sec. Duty.

Compatiblewith our 3 Channel Time Analyzer.

 

ACCESSORIES

Suitable interconnecting cables of approx. 5 meterslength are to be provided for interconnection between the Circuit Breaker and  Time Analyzer.

Also, if Power Source is supplied along withTime Analyzer then interconnecting cables between Power Source and TimeAnalyzer will also be provided.

  

DOCUMENTS

Operation Manual, Works Test Report,Warrantee Certificate will be supplied along with the set.

Vacuum Interrupter Current Seasoning Equipment

With years of experience and rich knowledge of this industry, our company is counted among the topmost manufacturers and exporters of Current Seasoning Equipment for Vacuum Interrupter. We follow all the guidelines and standards of industry while manufacturing this equipment using best grade raw materials. Available in different models, this Vacuum Interrupter Current Seasoning Equipment is offered to clients at competitive price.

Features:

  • Long working life
  • Excellent functioning
  • Good durability

Specification

  • Voltage : 230V

Vacuum Interrupter Pressure Integrity Test Set

Our company is the most promising manufacturer and exporter of Vacuum Interrupter Pressure Integrity Test Set. This testing equipment is of great use in electrical and power generation industry. Offered in different specifications and models, this Vacuum Interrupter Pressure Integrity Test Set is manufactured in accordance with industry standards. Our clients can get this testing equipment from us at competitive price.

Features:

  • Rugged design
  • Rust proof finish
  • Good durability

Specification

  • Model : DHVVAC30 : 0 - 30KV/2mA
  • DHVVAC60 : 0 - 60KV/2mA
  • Input : 230 Volts, 50Hz, single phase AC.
  • Capacity : Max. permissible current (through DUT) is 2 mAMax.
Permissible leakage current can be set at any value between 0.2 mA to 2.0 mA with Audio-Visual Alarm.

Relay Test Set

We are the most trusted entity in international market, best known for manufacturing and exporting Relay Test Set. Widely used in electrical and power sector for testing relays, these equipments are offered to clients in different technical specifications. Manufactured and engineered using excellent grade raw materials, Relay Test Set is strictly tested on various standard parameters before the final delivery in market.

Features:

  • Robust construction
  • Corrosion proof
  • Long service life

1phase Over Current Relay Test Set ( RNT5AD ):

  • Input Voltage : 230V, 1phase, 50Hz, AC
  • Current Output : 0 - 2 / 10 / 20 / 100 / 200 A
  • Voltage Output : 0 to 250 V AC, 2 A & 0 to 250 V DC, 0.5 A
  • Time Measurement : 0-9.999 Sec. & 0-99.99 Sec. in 2 Steps

3phase Distance / Over Current Relay Test Set ( ZNT33 / 34 ):

  • Input Voltage : 415V, 3Phase, 4 wire, 50Hz. AC
  • Current source : ZNT33 ( 0 - 50 A ) & ZNT34 ( 0 - 25 A )
  • 0 - 110 V AC 3phase & Fixed DC Voltage Source & Measuring facilities
  • Phase Shifter ( 0 - 360 )

High Voltage Seasoning Equipment

Our company is counted among the leading manufacturers and exporters of High Voltage Seasoning Equipment. This equipment is used to remove the bars that are in contact with the surface of vacuum interrupters. Our range includes different models of High Voltage Seasoning Equipment in order to meet clients' various requirements. Manufactured in accordance with industry standards using best grade raw materials, this equipment is offered to clients at competitive price.

Features:

  • Easy installation
  • Robust design
  • User friendly interface

Specification

  • Mains Voltage : 230V, 50Hz, 1,
  • ACHV Output : 0 200KV Peak max.

Analog Digital DC High Voltage Test Set

Counted among the topmost manufacturers and exporters in international market, we introduce in market excellent grade DC High Voltage Test Set. It is extensively used in electrical and power generation industry for varied testing operations. Available in different technical specifications and models, this DC High Voltage Test Set is manufactured in accordance with industry standards using excellent quality raw materials. We offer this testing equipment to clients at competitive price.

Features:

  • Overload safety
  • Low installation and maintenance cost
  • Precise testing

Specification

  • Input : Generally, 230 Volts, 50Hz, single phase AC. However, we also manufacture DC H.V. sets workable on other input voltage at extra cost.
  • Output : Continuously variable from zero to maximum rated output voltage.
  • Capacity : Spread over a wide range of sets from 1 KV to 300KV with current capacity upto 100mA. Sets of higher current capacity can also be manufactured.

Primary Current Injection Set

Backed with years of experience in this industry, we are known as the topmost manufacturer and exporter of Primary Current Injection Set / Heat Run Test Set. It is widely used in industries for instrument transformer and switchgear testing. The test equipment is highly demanded in international market for its durability and efficiency. Our quality inspectors stringently test this Primary Current Injection Set / Heat Run Test Set on various standard quality parameters before the final dispatch in market.

Features:

  • Long working life
  • Energy efficiency
  • High level of accuracy

Micro Ohm Meter

Specification:

  • Input : 230V, 1, 50Hz. AC
  • Resistance Range : Min. 0 - 200 m, Resolution 0.1 m Max. 0 - 200 m, Resolution 0.1 m
  • Teat Current : 5 / 10 / 20 / 50 / 100 A
  • Type : Manual / Automatic

Phase Shifter Angle Meter

We are a recognized entity in international market place, engaged in manufacturing and exporting Phase Shifter With/ Without Phase Angle Meter. Widely used in electrical, power generation and engineering sector, it is used for transformer testing. Available in different models and specifications, this Phase Shifter With/ Without Phase Angle Meter is manufactured in accordance with industry standards using certified grade raw materials.

Features:

  • Long working life
  • Low maintenance cost
  • Error free testing

Specification:

  • Input : 415 V, 50/60Hz, 3 phase, 4 wire AC
  • Output : 415 V, 50/60Hz, 3 Phase, 4 wire AC / 110 volts, 50Hz, 3 phase, 4 wire, AC
  • Capacity : 250 / 500 / 600 / 750 / 1000 / 1500 / 2000 / 3000 / 4000 / 5000 VA
  • Phase Shift : 0 to 360 ( with Coarse & Fine Control )
  • Termination : I/P & O/P on suitable insulated terminals
  • Metering : Voltmeter
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Works:

117, Mishrapara Road, Rathtala, P.O. Rajpur,
Kolkata - 700 149, West Bengal, India.
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