☉ Manufacturing since 2004 · Rajkot, Gujarat, India ✉ [email protected] ☎ +91 958 627 7766

China Top Current Transformer Supplier & Exporter serving Mumbai

Precision-Engineered Instrument Transformers, Split Core CTs & High-Voltage Power Transformers for Maharashtra’s Modern Electrical Grid & Heavy Industries

Precision Current & Power Transformer Catalog for Mumbai Market

Factory-direct engineering excellence certified to IEC 61869, IS 2705, and IS 2026 standards. Tailored for Mumbai utility grids, infrastructure projects, and industrial automation.

Solar Power Plant Transformer EPC Project Step up Transformer 33kV 66kV
Solar Power Plant Step-Up Transformer (33kV / 66kV)
Heavy-duty grid-tie step-up power transformer engineered specifically for large-scale solar power plant EPC projects. Designed with electrostatic shielding to suppress inverter switching harmonics.
Voltage Class: 33kV / 66kV
Cooling Method: ONAN / ONAF
Application: Solar EPC / Utility Step-Up
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Custom High Frequency SMPS Transformator 12V 24V 220V EE Step Up Down Flyback Ferrite Core
High-Frequency SMPS EE Ferrite Core Transformer
Custom-designed EE/EF/EI flyback switch mode power supply transformers for electronic control panels, IoT smart meters, and industrial power supplies operating across 12V, 24V, and 220V AC systems.
Core Material: High-Permeability Ferrite
Topology: Flyback / Step Up-Down
Application: SMPS / Industrial Controls
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Split Core Current Transformer SCT CT 5A-600A With 333mV Output
Split-Core Current Transformer (5A-600A / 333mV)
Compact clamp-on split-core instrument transformer ideal for retrofit building energy audits, sub-metering, and smart grid monitoring without disconnecting primary busbars.
Primary Current: 5A to 600A
Secondary Output: 333mV / 5A
Accuracy Class: 0.5 / 1.0 Class
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Three-Phase 6.6kv 690v 2500 Kva Distribution Transformer
Three-Phase 2500 KVA Industrial Distribution Transformer
High-efficiency medium voltage distribution transformer featuring multi-tap input options (10kV/35kV) and multi-voltage output (380V/400V/440V/690V) for heavy industrial manufacturing plants.
Capacity: 2500 KVA (2.5 MVA)
Primary Voltage: 6.6kV / 10kV / 35kV
Secondary Voltage: 380V to 690V
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ANA Single Phase KCT-36 Split Core Current Transformer 5A-800A Output 660V Input IEC
KCT-36 Single-Phase Split Core CT (5A-800A)
IEC-compliant indoor split-core current transformer with flame-retardant ABS housing. Engineered for fast snap-on installation over existing 36mm insulated cables and busbars up to 660V.
Current Span: 5A to 800A Range
Max Voltage: 660V System
Standard: IEC 61869-2 / IS 2705
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CT AC Micro Current Transformer 1A 5A 10A 100/150/200A Copper Wire 36kV Model
Precision Micro AC Current Transformer (1A-200A)
Ultra-precise PCB-mount micro instrument transformer wound with 99.99% oxygen-free pure copper wire. Excellent phase accuracy for power transducers and digital protection relays.
Current Rating: 1A, 5A, 10A, 100A, 200A
Accuracy Class: 0.1S / 0.2S Precision
Dielectric Strength: Up to 36kV Insulation
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Wholesale Price EF25 Step Down Transformer Constant Current Led Driver Ferrite Core
EF25 Constant Current LED Driver Ferrite Transformer
Compact step-down ferrite transformer optimized for constant current LED drivers, commercial lighting ballasts, and low-power auxiliary circuits requiring minimal core losses.
Core Type: EF25 High Frequency
Application: LED Driver / Step Down
Thermal Grade: Class B / Class F
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69kV 33kV 10MVA 20MVA 30MVA ONAN Copper Oil Immersed Power Transformer
33kV / 69kV Large Substation Power Transformer (10MVA-30MVA)
Heavy-duty oil-immersed power transformer constructed with high-grade CRGO core and 100% pure electrolytic copper windings. Built for electrical utility distribution substations and heavy industrial complexes.
Capacity Range: 10MVA / 20MVA / 30MVA
Voltage Rating: 33kV / 69kV Substation
Cooling Type: ONAN / ONAF Oil Cooled
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Manufacturing Footprint & Quality Capability

Delivering world-class magnetic components and power equipment engineered for India's high-demand grid environments.

103,500+
Sq. Ft. Production Bay
3,000+
Global Grid Installations
100%
Routine Tested to IEC/IS
Class 0.2S
Metering Precision Class

Engineering Solutions Tailored for Mumbai’s Electrical Infrastructure

Navigating the environmental, space, and power quality challenges across Mumbai City, Navi Mumbai, and the Thane-Belapur Industrial Belt.

Coastal Environmental Defense

Saline & Humid Coastal Atmosphere Resilience

Mumbai's coastal proximity subjects electrical equipment located near JNPT port, Trombay power stations, and offshore marine facilities to severe high humidity and saline air corrosion. Standard current transformers often fail due to dielectric tracking and copper terminal oxidation.

Our export-grade Current Transformers and Power Transformers utilize heavy-duty vacuum-pressure impregnated (VPI) resin coatings, anti-tracking outer casings, and stainless-steel hardware. This ensures zero core degradation and long-term insulation stability in 95%+ relative humidity environments.

Urban Substation Retrofits

Compact Split-Core Solutions for Dense Urban Grids

With real estate in South Mumbai, BKC, and Western Suburbs at a premium, utility sub-stations (serviced by BEST, Adani Electricity, and Tata Power) demand non-disruptive, highly compact monitoring systems. Shutting down feeder buses for transformer installation causes severe commercial outages.

Our SCT and KCT series Split Core Current Transformers feature high-magnetic-permeability core materials and push-fit locking mechanisms. Engineers can clamp these units directly around live insulated cables up to 800A, eliminating power downtime and cutting installation labor by over 70%.

Heavy Industrial Zones

Harmonic Suppression in Manufacturing Belts

Heavy manufacturing clusters in Thane, Taloja MIDC, Bhiwandi, and Kalyan utilize massive variable frequency drives (VFDs), induction furnaces, and heavy machinery. These introduce intense harmonic distortion (THD) that causes premature thermal saturation in standard metering CTs.

By implementing specialized high-grade CRGO steel cores and precision copper foil windings, our current transformers maintain exceptional saturation headroom and flat ratio error curves up to 200% over-current, ensuring uninterrupted protection relay operation under distorted wave conditions.

Renewable & Infrastructure EPC

High-Voltage Solar Step-Up & Traction Integration

As Maharashtra expands utility solar EPC projects and Mumbai Metro line electrification, step-up transformers and micro-instrument transformers must withstand rapid cyclic load changes and intense voltage transients.

Our 33kV/66kV step-up power transformers and micro AC current transformers are designed with reinforced turn-to-turn insulation and strict partial discharge limits (<10 pC), granting seamless integration into smart grid SCADA systems and renewable inverter substations.

Localized Market Trends & Technical Advancements in Western India

The electrical landscape in Mumbai and Maharashtra is undergoing a rapid transition toward digital grid monitoring, driven by the Indian Ministry of Power’s Revamped Distribution Sector Scheme (RDSS). Key technical trends include:

  • Transition to Smart Metering (Class 0.2S / 0.5S Precision): Utilities are replacing electromechanical meters with smart meters requiring high-accuracy micro current transformers that retain phase linearity across micro-ampere to hundreds-of-ampere loading.
  • Replacement of Wire Winding with Precision Foil Winding: Modern distribution transformers are moving from traditional round wire to copper/aluminum foil winding, eliminating axial short-circuit forces and reducing hot-spot thermal gradients.
  • Harmonic-Tolerant Inverter Duty Step-Up Units: Large-scale solar rooftops in industrial estates require dual and triple-winding step-up transformers built to withstand high switching frequencies without insulation degradation.

Technical Standard Compliance Matrix

Transformer Class International Standard Indian Equivalent Core Technical Focus
Low Voltage Split-Core CTs IEC 61869-2 IS 2705 (Part 1-4) Phase angle error <30 min, 333mV / 5A output, flame retardant casing.
Micro Current Transformers IEC 61869-1 / 2 IS 16227 0.1S accuracy, high permeability ferrite/amorphous core, PCB pin mount.
Industrial Distribution Units IEC 60076 IS 1180 (Level 1 / 2) Low-loss CRGO steel cores, ONAN cooling, short-circuit withstand rated.
HV Substation Transformers IEC 60076 series IS 2026 Class A insulation, impulse withstand voltage up to 325kV BIL, OLTC control.

Why Mumbai Procurement Engineers Trust Our China Manufacturing Facility

Combining advanced core-cutting technology, stringent ISO quality control, and streamlined export logistics to Nhava Sheva (JNPT) Port.

01. In-House Core & Winding Assembly

Superior Magnetic Permeability

We source top-grade Cold-Rolled Grain-Oriented (CRGO) silicon steel (M3/M4 grades) directly from premier mills. Our automated slitting lines and precision toroidal/foil winding machines guarantee minimal core loss, zero hysteresis distortion, and extended insulation lifespan.

02. ISO Certified Quality Testing Lab

100% Routine & Type Test Bay

Every single instrument transformer and power transformer leaving our factory undergoes rigorous routine testing: turns ratio, excitation characteristics, winding resistance, insulation power factor, and dielectric high-voltage withstand tests certified to international IEC standards.

03. Seamless Export to Mumbai Port

Seaworthy Packaging & Fast Shipping

Located near major ocean port hubs, we provide specialized export packaging (nitrogen-filled transport for large power transformers, vacuum sealed for electronic CTs). We supply complete documentation including FAT reports, bill of materials, and HS code compliance for hassle-free custom clearance at Mumbai JNPT.

Frequently Asked Questions by Mumbai Buyers

Essential technical and commercial information for project engineers, utility buyers, and electrical contractors.

What are the lead times for shipping current transformers and power transformers to Mumbai, India?
Standard instrument transformers and split-core current transformers are kept in stock and can be dispatched within 5-7 working days. Custom medium and high-voltage power transformers require 4 to 6 weeks for manufacturing, testing, and approval. Ocean shipping from China to Nhava Sheva (JNPT) Port, Mumbai typically takes only 12 to 16 days.
Are your current transformers compliant with Bureau of Indian Standards (BIS) and IS 2705?
Yes. Our current transformers are engineered to strictly mirror both IEC 61869-2 and Indian Standard IS 2705 specifications (covering ratio error, phase displacement, knee-point voltage, and short-time thermal current limits). We supply comprehensive type test certificates from independent accredited laboratories for utility audit approval in Maharashtra.
Can we request third-party witness testing before factory dispatch?
Absolutely. We welcome third-party inspection agencies (such as SGS, Bureau Veritas, TUV, or customer-appointed inspection engineers) to witness routine testing at our high-voltage test laboratory before shipment packaging. Complete test dossiers and guaranteed technical particulars (GTP) are provided for sign-off.
How do your Split-Core CTs compare with Solid-Core CTs for Mumbai building retrofits?
Solid-core CTs require disconnecting primary power cables or unbolting busbars during installation, which is often unacceptable in active Mumbai commercial centers or hospitals. Our split-core CTs provide equal 0.5 class accuracy with a spring-loaded hinge design that snaps over live insulated conductors without interrupting power service, saving significant downtime and labor costs.
What custom modifications are available for high-frequency or special industrial applications?
We specialize in tailored magnetic components. We offer customized primary/secondary winding ratios, multi-ratio taps, specific mV or mA voltage outputs, custom ferrite core geometries (EE, EF, PQ, ETD), flame-retardant epoxy encapsulation, and high-temperature insulation classes (Class H up to 180°C).

Request a Customized Technical & Price Quotation Today

Send us your single-line diagrams (SLD), current ratios, accuracy class requirements, or transformer specification sheets. Our engineering team will respond within 24 hours with complete technical drawings and factory-direct export pricing for Mumbai delivery.