Tanaka Electric Tanaka Electric

Open Core E Type Single Phase Isolation Transformer

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Product Description

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Basic Specifications

Model NO.
EI transformer
Core Type
Core-type Transformer
Cooling Method
Dry-type Transformer
Winding Type
Two-winding Transformer
Certification
ISO9001, CCC, ETL, CE
Frequency
Low Frequency 50/60Hz
Input Voltage
100V to 600V
Output Voltage
5V to 240V
Capacity Range
10VA to 5kVA
Insulation
Class B
Mounting
Bracket, Chassis
Wiring
Lead Wire & Quick-Connect Terminal
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Product Description

We manufacture low-frequency EI Transformers of all sizes and designs, ranging from EI 28 to EI 228 and wattage from 0.3VA to 5000VA. All the products use high-quality silicon steel sheet that features low consumption, high output power, high efficiency, low-temperature rise, low noise, and stable performance.

All the EI transformers go through strict testing to reduce rejection rates. Applications of our EI laminated transformers include access control systems, lighting, automatic doors, industrial equipment, household appliances, medical devices, inverters, power supplies, UPS, audio equipment, and security systems.

🔹 Key Technical Features:
Input Range:
100V to 600V
Output Range:
5V to 240V
Power Ratings:
0.3VA to 5000VA
Phase:
Single Phase
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Technical Specifications Table

Core Type Output Wattage Core Type Output Wattage
EI-28*11.50.3VA-1.8VAEI-76*56.090VA-150VA
EI-35*11.50.8VA-2.1VAEI-76*66.0120VA-190VA
EI-35*13.51.0VA-2.7VAEI-86*43.070VA-120VA
EI-35*15.51.5VA-3.5VAEI-86*45.0110VA-150VA
EI-35*17.52.5VA-4.5VAEI-86*55.0130VA-200VA
EI-41*16.52.0VA-4.5VAEI-96*32.055VA-80VA
EI-41*20.53.0VA-6.0VAEI-96*40.0100VA-150VA
EI-41*24.55.0VA-8.5VAEI-96*45.0130VA-180VA
EI-48*20.56.0VA-10.0VAEI-96*50.0160VA-220VA
EI-48*25.510.0VA-15.0VAEI-96*56.0200VA-250VA
EI-48*30.014.0VA-20.0VAEI-105*38.090VA-130VA
EI-54*34.012.0VA-17.0VAEI-114*50.0200VA-260VA
EI-57*19.08.0VA-12.0VAEI-114*70.0350VA-500VA
EI-57*30.025.0VA-30.0VAEI-133*60.0300VA-600VA
EI-66*28.022.0VA-33.0VAEI-152*60.0500VA-800VA
EI-66*40.055.0VA-65.0VAEI-162*85.01000VA-1800VA
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Manufacturing Expertise

We focus on manufacturing landscape lighting transformers, magnetic led drivers, pool light transformers, and a wide range of power transformers for commercial, industrial medical, and residential applications. Our in-house design and engineering team continues pushing the innovation boundary across the full spectrum of power transformers.

Advanced manufacturing, customer support capabilities, and superior R&D enable us to create and tailor power supply and transformer solutions to address the needs of an ever-evolving market. Our products serve the Lighting, Machinery, Automation, Chemical, Medical, and Architectural markets worldwide.

Frequently Asked Questions

What is the range of power ratings for your EI transformers?
We offer a wide range of power ratings from 0.3VA up to 5000VA to accommodate various industrial and residential needs.
What core materials are used in the manufacturing process?
All our EI transformers utilize high-quality silicon steel sheets, which ensure high efficiency, low consumption, and stable performance.
What certifications do these transformers have?
Our products are manufactured under strict quality control and hold certifications including ETL (UL5808 & CSA C22.2#66.1), CE (EN61558-2-4), and ISO9001.
Can these transformers be used in medical equipment?
Yes, our EI laminated transformers are suitable for medical devices, as well as access control systems, industrial equipment, and security systems.
What mounting options are available?
We provide flexible mounting options including Bracket and Chassis mounting to fit different installation requirements.
Are the transformers tested before shipping?
Absolutely. All EI transformers undergo rigorous testing procedures to ensure low noise and low-temperature rise before delivery to our clients.

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