EI76 Low Frequency Single Phase Control Transformer Custom AC Power Converter
Product Overview
The EI76 Low-Frequency Control Transformer is engineered for continuous, high-efficiency power conversion and stable voltage control in demanding industrial and commercial environments. Built with low-loss silicon steel laminations and premium copper windings, it minimizes energy loss, operational noise, and thermal buildup. Highly customizable across primary/secondary voltage ranges and pin configurations, the EI76 provides reliable power regulation tailored to your exact application requirements.
| Application Industry |
Primary Voltage (Input) |
Secondary Voltage (Output) |
Rated Power (VA) |
Insulation Class |
| Industrial Automation & PLC Control Cabinets |
220V / 380V / 415V
(50/60Hz) |
24VAC (Single/Dual Taps) |
60VA - 100VA |
Class B (130°C) / Class F (155°C) |
| CNC Machinery & Metal Processing Tools |
220V / 380V / 440V |
110VAC / 24VAC |
100VA - 150VA |
Class F (155°C) / Class H (180°C) |
| Medical & Laboratory Instruments |
110V / 120V / 230V |
12VAC / 24VAC / 100VAC |
50VA - 100VA |
Class B (130°C) |
| Commercial HVAC & Climate Systems |
120V / 208V / 240V / 480V |
24VAC (Class 2 Control) |
50VA - 75VA |
Class B (130°C) |
| Access Control & Security Systems |
110V / 220V |
12VAC / 24VAC / 36VAC |
50VA - 80VA |
Class B (130°C) |
Key Features
- High Efficiency & Low Temperature Rise: Superior magnetic circuit design minimizes no-load loss, keeping operating temperatures low during long-term continuous operation.
- Low Noise & Low EMI: Precision lamination stacking and optimized vacuum varnish impregnation ensure quiet performance and negligible electromagnetic interference.
- Flexible Customization: Supports tailored primary and secondary voltage configurations (e.g., Class B/F/H insulation options) to match worldwide power grids and OEM design specs.
- Durable Construction: Robust mechanical structure built with flame-retardant, high-insulation materials for enhanced safety and long service life in tough operational settings.
Typical Applications
- Industrial & Machine Control: CNC equipment, automation control panels, power distribution systems, and industrial relays.
- Home Appliances & HVAC: Heating, ventilation, air conditioning control boards, and heavy-duty white goods.
- Medical & Communication: Stable low-frequency isolation power supply for medical devices, security monitoring systems, and telecom gear.
- Power & Energy Storage: Solar inverters, energy storage system control circuits, and EV charging control units.
Our Advantages
Product Advantages
- Global Safety & Compliance: Built to meet international standards with available certifications including UL/cUL (Class B/F/H), VDE, CB, CE, CQC, RoHS, and REACH compliance.
- Strict Quality Assurance: 100% full inspection on automated testing systems (impulse winding, turn ratio, insulation withstand voltage) to guarantee zero-defect shipment.
- Proven Thermal Stability: Certified insulation system options ensure long-term, safe operation under high-temperature working conditions.
Company Advantages
- 15+ Years Industry OEM/ODM Expertise: Founded in 2007 as a National High-Tech Enterprise specializing in magnetic components and transformers.
- Automated Scaled Manufacturing: Supported by three major production bases (Dongguan, Nanchang, and Vietnam) equipped with fully automated winding, soldering, and testing machinery.
- Certified Quality Management: Operates under strict ISO9001, ISO14001, and IATF16949 automotive-grade quality management systems.
- 35+ Patents & Strong R&D: In-house R&D lab with Agilent impedance analyzers and environmental reliability testing equipment.
