China EI Single Phase Power Transformer 20VA 230V to 24V Step Down Voltage Converter with 80% Efficiency for sale
China EI Single Phase Power Transformer 20VA 230V to 24V Step Down Voltage Converter with 80% Efficiency for sale
China EI Single Phase Power Transformer 20VA 230V to 24V Step Down Voltage Converter with 80% Efficiency for sale

EI Single Phase Power Transformer 20VA 230V to 24V Step Down Voltage Converter with 80% Efficiency

Compact 20VA single-phase EI transformer steps down voltage from 230V to 24V with ≥80% efficiency and ≤60dB noise. Features Class B insulation, 2500V dielectric strength, and wide operating temperature range (-30℃ to +55℃). Ideal for audio equipment, control circuits, medical devices, and automation systems. CE certified with 24-month warranty and OEM/ODM customization options.

Usage Power
Place of Origin CHINA
Phase Single
Packaging Details Pallet
Material Copper
Standard IEC60076
Product Description
Product Overview

This single-phase EI power transformer operates at 50/60Hz frequency, stepping down voltage from 230V to 24V with 20VA capacity. Designed for reliable performance in various electronic applications.

Key Features
  • Compact design suitable for space-constrained installations
  • High efficiency rating of ≥80% for energy savings
  • Low working noise level ≤60dB for quiet operation
  • Robust construction with Class B insulation
  • Wide application compatibility across multiple industries
Technical Specifications
Parameter Specification
Capacity 20VA
Phase Single Phase
Input Voltage 230V
Output Voltage 24V
Output Current 0.83A
Voltage Regulation 10%
Working Noise ≤60dB
Efficiency ≥80%
Temperature Rise ≤80K
Waveform Distortion ≤3%
Dielectric Strength 2500V
Insulation Resistor DC 500V 100ΜΩ Min
Insulation Class Class B
Operating Conditions
  • Ambient Temperature: -30℃ to +55℃
  • Relative Humidity: 10% to 90%
Application Areas

Ideal for audio equipment (DVD, hi-fi stereo), television systems, small adapters, beauty equipment, instrumentation, stage lighting, control circuits for air-conditioning and automation systems, medical equipment, monitoring systems, machinery, and energy-efficient devices.

Product Images
EI Single Phase Power Transformer front view showing electrical terminals and core structure EI Single Phase Power Transformer side view displaying compact design and mounting features EI Single Phase Power Transformer technical specifications label and safety certifications
Frequently Asked Questions
Q: Can I order samples?
A: Yes, we welcome sample orders for quality testing and verification.
Q: What is the lead time?
A: Samples: 3-7 days (shipped via DHL, UPS, FedEx). Mass production: 7-25 days.
Q: How long is the warranty?
A: 24 months from bill of lading. We provide free replacement for damaged accessories with photo evidence, technical support, and free easily damaged accessories based on order quantity.
Q: Is OEM/ODM available?
A: Yes, we offer full customization including colors, special functions, packaging, logo printing (MOQ: ≥100pcs), and custom design services.
Q: How do you ensure product quality?
A: All products hold CE certification. We employ professional engineers, strict manufacturing processes, technical supervision, and comprehensive quality testing throughout production.
Interested in this product?
Contact us now for more details and a custom quote.