Name: Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems
Brand: CHIPSEN
Price: 183.5 USD

Product Details
Company Profile

Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems

The EI450 is a large customizable three-phase low-frequency transformer platform for industrial power conversion, isolation, and auxiliary distribution. The platform supports stable, efficient power systems across various industrial applications.

Application Reference Ranges

The following ranges are common international buyer inquiry references for early engineering discussion only. Final specifications must be confirmed in the approved drawing and specification.

Industry or Equipment	Typical Transformer Function	Reference Primary Voltage	Reference Secondary Voltage	Reference Capacity Inquiry	Frequency	Key Customization Priorities
Industrial automation	Main control power isolation and auxiliary distribution	200–690 V AC three phase	24–480 V AC three phase or multiple auxiliary outputs	10–300 kVA	50 or 60 Hz	Vector group, regulation, impedance, inrush, phase balance, temperature rise, terminals, cabinet integration
Control cabinets and switchgear	Voltage conversion for control power, contactors, relays, cooling circuits	208–600 V AC three phase	24–480 V AC	5–200 kVA	50 or 60 Hz	Multiple taps, neutral arrangement, protective devices, busbars, electrostatic shield, low no-load loss
Emergency power and UPS	Auxiliary distribution, bypass-related isolation, rectifier input	208–480 V AC three phase	120–480 V AC three phase	10–300 kVA	50 or 60 Hz	Impedance, inrush, harmonics, standby loss, dielectric strength, thermal margin, generator compatibility
Battery energy storage and PCS	PCS cabinet auxiliary transformer, service power, subsystem isolation	380–690 V AC three phase	208–480 V AC three phase	10–300 kVA	50 or 60 Hz	Harmonic loading, phase balance, wide voltage tolerance, temperature monitoring, shield, traceability
EV charging infrastructure	Charger auxiliary distribution, rectifier interface, service power conversion	380–690 V AC three phase	208–480 V AC three phase	10–300 kVA	50 or 60 Hz	Efficiency, impedance, surge environment, insulation, thermal cycling, terminals, enclosure integration

Product Overview

The EI450 is a large three-phase laminated-core transformer platform for industrial voltage conversion, galvanic isolation, auxiliary distribution, control power, emergency-power equipment, energy storage, charging infrastructure, motor-drive systems, and other 50 Hz or 60 Hz applications.

EI450 Three Phase Transformer assembly showing laminated silicon-steel core, copper windings with yellow insulation, and heavy-duty steel frame

The image shows a substantial open-frame assembly with laminated silicon-steel magnetic material, copper windings wrapped with yellow insulating tape, heavy electrical connections, mechanical clamping parts, and a rigid steel frame consistent with three-phase transformer construction.

Construction Details

Construction Item	EI450 Customization Reference
Magnetic platform	Large three-limb laminated silicon-steel core structure with EI450 geometry
Lamination material	Silicon-steel grade and thickness selected for optimal performance
Three-phase winding arrangement	Three phase windings visible; exact assignments require approved wiring diagram
Primary winding	Star, delta, zigzag, tapped dual-voltage or other approved configuration
Secondary winding	Star, delta, zigzag, multiple-output or customer-specific arrangement
Copper winding	Copper conductors selected for current density, losses, regulation and thermal performance
Insulation wrapping	Yellow insulating tape visible; material and thermal class defined by approved system
Electrostatic shield	Optional primary-to-secondary shield with dedicated grounding connection
Thermal monitoring	Optional thermostats, thermistors, RTDs or other temperature sensors
Steel frame	Rigid steel frame customizable for load support, mounting, lifting points and integration

Key Characteristics

Three Phase Power Conversion: Supports step-up, step-down, or isolation service with customizable voltage and current specifications
Custom Vector Group and Neutral: Star, delta, zigzag and other technically suitable winding connections
Industrial Capacity Platform: Large laminated core and copper winding area support higher-power industrial applications
Voltage Tap Flexibility: Off-circuit primary or secondary taps for supply variation compensation
Controlled Impedance and Regulation: Customizable through winding geometry and magnetic construction
Loss and Efficiency Optimization: Balanced design for no-load loss, load loss, efficiency, temperature rise and cost
Thermal Monitoring and Protection: Optional sensors for winding and core temperature monitoring
Robust Mechanical Integration: Customizable frame dimensions, mounting, lifting points and service clearances
Noise and Vibration Control: Optimized design for acoustic performance under operating conditions

Applications

Large industrial automation systems
Main control cabinets and electrical panels
Production machinery and process equipment
Emergency-power and UPS systems
Battery energy-storage and PCS cabinets
EV charging stations and charger power systems
Industrial drives and motor-control equipment
HVAC chillers, pumps, fans and building systems
Industrial rectifiers, battery chargers and DC power systems
Solar, wind and distributed-energy equipment
Factory test benches and laboratory power systems
Step-up, step-down and one-to-one isolation applications
Three-phase auxiliary distribution
High-power machine-tool electrical systems
Custom OEM industrial equipment

Quality Control

Incoming Material Inspection: Comprehensive controls for all components and materials
Engineering and First Article Review: Design verification of all electrical and mechanical parameters
In Process Control: Process checks throughout manufacturing
Electrical Testing: Comprehensive testing including winding resistance, turns ratio, polarity, insulation resistance and dielectric strength
Thermal and Reliability Evaluation: Sample validation for temperature rise, overload duty and environmental conditions
Mechanical Inspection: Dimensional verification and workmanship standards
Traceability and Change Control: Complete documentation and control of all processes

Why Choose Chipsen

Application Specific Customization: Tailored designs for voltage, kVA, frequency, vector group and other requirements
Drawing and Sample Based Development: Support for replacement or second-source evaluation
Three Phase Engineering Review: Comprehensive technical discussions and validation
Prototype and First Article Support: Evaluation units developed after specification confirmation
Mechanical Integration Support: Customizable frames, mounting, terminals and enclosure interfaces
Controlled Specification Process: Consistent manufacturing based on approved documentation
OEM and ODM Cooperation: Custom configurations for specific project requirements

Frequently Asked Questions

Does EI450 define a fixed kVA rating?
No. EI450 identifies an approximate magnetic platform. Capacity depends on core cross-section, frequency, conductor area, cooling, and temperature-rise limits.

Is EI450 a three phase transformer?
The supplied image and visible three-winding structure are consistent with a three-phase assembly. Final configuration must be confirmed by approved wiring diagram.

Can the vector group be customized?
Yes. Star, delta, zigzag, and other suitable connections may be considered. Required vector designation and terminal marking must be specified.

Can EI450 operate at both 50 Hz and 60 Hz?
A dual-frequency design can be developed and validated. 50 Hz generally imposes more demanding magnetic conditions than 60 Hz.

Can voltage taps be added?
Yes. Off-circuit primary or secondary taps may be developed where winding space, insulation, and regulation permit.

Important Note: The EI450 platform does not define fixed kVA rating, voltage, current, vector group, impedance, insulation, thermal performance, dimensions, or certification status. Final performance is confirmed only through approved drawing, electrical specification, material system, test plan, and customer validation.

Product Tags:


*From:	Your email address is incorrect!
*To:	Dongguan Chipsen Electronics Technology Co., Ltd.
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!

Categories	Three Phase Transformer
Certification:	UL/cUL Class B/F/H, VDE, CQC
Output Current:	300A
Model Number:	EI450
Winding material:	Copper wire
MOQ:	100
Delivery Time:	7-14 work days (Negotiable)
Protection rating:	IP21
Payment Terms:	T/T
Price:	＄183.5-399.8/pieces
Insulation class:	F class
Supply Ability:	10000pcs
Brand Name:	CHIPSEN
Enclosure type:	Open Frame
Place of Origin:	China
Primary Voltage:	220/380/440/550V

Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems

Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems

Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems

EI450 Three Phase Transformer

High Power Three Phase Transformer

Robust 3 phase current transformer

Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems