Current Transformers Dealers in Pune

Being an illustrious Supplier of Encapsulated Current Transformers, we endeavor to achieve 100% customer satisfaction. We are a noteworthy name, engaged in offering qualitative lot of products that are the perfect outcome of premium material and modern work methods. Also, the material is sourced from the trusted places after complete quality checking.

• Type: Oil Filled Transformer
• Brand Name: Shree Electro Controls
• Certification: ISO 9001:2015
• Application: Industrial Use,Power Grade
• Weight: 100-1000kg
• Color: Grey
• Voltage: 1.1,3.3,6.6,11,22,33 KV
• Condition: New
• Frequency: 60hz
• Automatic Grade: Semi Automatic
• Driven Type: Electric
• Warranty: 2years
• Country of Origin: India
• Warrenty: 2yrs
• Phase Type: Single Phase
• Phase: Single phase Out door Current Transformer

• Material: Copper
• Rated Power: 2.5 VA to 15 VA
• Operating Temperature Range: 10 to 40 Degree C
• Features: Durable, Rust resistance, Longer service life

Starlit Electricals is counted among the leading manufacturers of Current Transformers that are broadly used to produce electric current. We manufacture a comprehensive range of standard C.Trs.   There are following types and subtypes of Current Transformers. 1) L.T Tape wound/Cast Resin type CT.         i.            Ring/window type and         ii.            Wound primary type 2) L.T/ H.T Cast Resin CT.         i.          Ring/window type and         ii.         Wound primary upto 33 KV with Indoor/ Outdoor application. 3) H.T Indoor / Outdoor Oil Immersed type C.T/ P.T upto 66KV. Function of Current Transformer The main function of the Current Transformer is to reproduce the Primary current on its secondary side. The Current Transformer isolates the devices connected to their secondary circuit from the network system. Current Transformers are specially designed for measuring and protection applications. Standard Terminology used for CT: Rated primary current: The Current to be measured and transformed to lower value Rated secondary current: The current on the secondary side of the CT Typical values of secondary current are 1A or 5A. For WTI Current Transformers 3 A secondary current is also specified. For special differential protection, secondary currents of 1/ Rt 3 A and 5/ Rt 3 A are also specified. Accuracy class: For metering CT s, accuracy class is typically 0.2, 0.5,1 or 3. This means that the errors have to be within the limits specified in the standards for that particular accuracy class. The metering CT has to be accurate from 5% to 120% of the rated primary current at the specified power factor. Class PS/ PXCT: In balance systems of protection, CT s with a high degree of similarity in their characteristics is required. These requirements are met by Class PS /PX CT s. Their performance is defined in terms of a knee-point voltage (KPV), the magnetizing current (Imag) at the knee point voltage or 1/2 or 1/4 the knee-point voltage, and the resistance of the CT secondary winding corrected to 75C. Accuracy is defined in terms of the turn’s ratio. Knee point voltage: That point on the magnetizing curve where an increase of 10% in the flux density (voltage) causes an increase of 50% in the magnetizing force (current). Exciting Current: The current measured in mA@ Knee point Voltage Secondary Resistance: The secondary resistance of C.Tr generally measured @ 75 deg C. A General table indicating the Application of Tests A number of routine and type tests have to be conducted on CT s before they can meet the standards specified above. The tests can be classified as: Accuracy tests to determine whether the errors of the CT are within specified limits. Composite Error Test: To verify whether the Trs comply with the accuracy limit factor indicated on the nameplate Knee Point Voltage Test: To verify that the knee point is equal to or greater than the knee point indicated on the nameplate Inter turn insulation Test: To check the insulation between winding Dielectric insulation tests such as power frequency withstand voltage test on primary and secondary windings for one minute, Impulse tests with 1.2u/50 wave, Temperature rise tests. Short time current tests Verification of terminal markings and polarity. The routine tests are carried out in the test lab located in our factory premises itself. The type tests are conducted at NABL accredited labs such as ERDA or CPRI located in India.  

• Rated Voltage: 220 - 240 V
• Coil Structure: Toroidal
• Ambient temperature: -5 Degree C to +40 Degree C
• Current: 100 A

• Core Type: Ring Core Type CT, Split Core Type CT, Wound CT
• Material: Plastic
• Brand Name: Veritek
• Rated Voltage: Normal
• CT Ratio: As per Requirement
• Accuracy Class: 0.5, 1 or 3
• Size: Normal
• Rated Burden: As Required
• Minimum Order Quantity: 1 Piece

• Material: Copper
• Frequency: 50/60 Hz
• Primary Voltage: 11 KV
• Secondary Voltage: 110 Volt
• Power: 100 VA
• Features: Durable, Longer service life, Efficient functionality

• Phase: Single Phase
• Cooling Type: Dry Type
• Frequency: 50 Hz
• Material: MS
• Warranty: 1 Year
• Power: 5 VA
• Input Voltage: 220 V
• Current: 250 Amp
• Diameter: 25mm
• Class: 5
• Model No.: PRT 65/35-50/5-5-5
• Brand: Tni
• Sr. No: 19272

• Features: High performance, Easy operation, Low maintenance

• Type: KZE3-XS
• Safety Contacts: 3
• Safety Level: depending on main relay
• Power Supply Voltage: 24 V AC/DC

Supply Voltage 10 A / 50 mA 25 A / 50 mA 50 A / 50 mA 100 A / 50 mA

We are counted amongst the prime current transformers manufacturers and suppliers based in india. These current transformers are suitable for metering and protection upto 220 class. These current transformers are designed for providing current in secondary winding proportion to the alternating current flowing in primary winding. These current transformers provide safe and accurate measurement of large currents at the time when high voltage is flowing. Moreover, we provide current transformers at very competitive rates.

Features   A robust mechanical support is provided for the main conductors through support stands.   Dead tank housing is provided for the voltage transformer with high thermal capacity.   Oil volume is reduced because of the optimum construction of the core and insulation design.   Oil used is environment friendly, IEC 296 grade 2, with excellent dielectric properties and free of PCB and toxic substances.   The main insulation is capacitive fine-graded for better coordination of interior and exterior insulation.   Secondary terminal connections are made through molded terminals for ease of connections and to reduce the probability of oil leakages.   Primary terminals features new leak-proof and light weight design standard available dimensions 30mmX80mm & 40mmX125mm   Live tank housing for the current transformer secondary cores provides increased strength withstand short circuit currentforces.  

• Material: Copper
• Brand Name: Newtek
• Core Type: Bar CT, Ring Core Type CT, Split Core Type CT, Wound CT
• CT Ratio: UP TO 6000A
• Usage/Application: Industrial
• Accuracy Class: 0.2, 0.5, 10, 20, 1 or 3, PS Class
• Rated Burden (VA): 20A

Current transformers are used for electrical measuring instruments and / or electrical protective devices. They are very useful in high power circuits where the current is large. Current transformers are subdivided into two main categories. MEASURING CURRENT TRANSFORMERS These transformers are used in measuring and indicating current, that is to reduce the line current to a value which is suitable for standard measuring instruments, relays etc.     PROTECTIVE CURRENT TRANSFORMERS These transformers are used for over current and undercurrent relaying for power circuit protection   TYPE : Current Transformers are normally categorized as Ring / Bar type and Wound Primary Ring / Bar type current transformer : A current transformer where primary winding is provided by 'the user. Wound primary current transformer : A current transformer having a primary winding of more than one full turn wound on core. Current Transformers are wound on Toroidal cores which virtually eliminates error due to leakage flux. Adjusting the number of secondary turns may compensate for some errors. Electrical Specifications : Type : Tape insulated Ring type and Epoxy Resin Potting type Primary Current : 50 Amp. To 3000 Amp. in ring type. 25 Amp. To 600 Amp. in epoxy resin Secondary Current : 5 Amp. and 1 Amp. for ring type. 0.2 , 0.1 and 0.05 Amp. for epoxy resin (other on request) Burden : 5, 10, 15 VA. for ring type. 0.25, 0.5, 1 and 2 VA. for epoxy resin type (other on request) Accuracy Class : 0.2, 0.5, 1.0, 5.0, 10.0 Frequency : 50 Hz Operating Temp. : - 10 deg. C to 40 deg. C. Conforms to : IS 2705

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