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EI76 Low Frequency Single Phase Control Transformer Custom AC Power Converter

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EI76 Low Frequency Single Phase Control Transformer Custom AC Power Converter

Certification : UL/cUL Class B/F/H, VDE, CQC

Insulation Class & Thermal Rating : Class B (130°C) / Class F (155°C) / Class H (180°C)

Model Number : EI76

Primary & Secondary Voltage : Primary: 220V/380V/440V AC

MOQ : 10PCS

Delivery Time : 15-22 wark days

Temperature Rise Limit : < 65K @ Full Load (Class B)

Payment Terms : T/T

Acoustic Noise Level : < 35 dB @ 1m (Full Load)

Price : $50 - 80/ Piece,1000-10000pcs

Core & Winding Material : High-Permeability Silicon Steel / 100% Pure Copper

Supply Ability : 5000 pcs per day

Process & Protection Rating : Vacuum Pressure Impregnation (VPI) / Class IP00-IP20

Brand Name : CHIPSEN

Rated Capacity / Power : 50VA - 250VA

Packaging Details : Small transformers: blister tray packaging + export cartons; Large transformers packed on wooden pallets. Custom packaging available upon request.

Place of Origin : China

Dielectric Strength / Hi-Pot : 3500V AC, 50Hz, 1 min (Leakage < 5mA)

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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.
EI76 Low Frequency Single Phase Control Transformer Custom AC Power Converter EI76 Low Frequency Single Phase Control Transformer Custom AC Power Converter

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