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Home > Single Phase Transformer > St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
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St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer
St-3000va 3kVA Single Phase Step up and Down Transformer

St-3000va 3kVA Single Phase Step up and Down Transformer

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Product Description

Basic Specifications
Model NO.
ST
Core Type
Core-type Transformer
Cooling Method
Dry-type Transformer
Winding Type
Auto-transformer
Certification
ISO9001
Usage
Single-phase Transformer
Shape of Core
EI
Product Name
Step up and Down Transformer
Warranty
3 Years
Standard
IEC60076
Efficiency
98%
Voltage Accuracy
±1%
Design Life
20 Years
HS Code
8504339000
Product Overview
Step up and Down Transformer
Single Phase Transformer Detail
Step up and Down Transformer Interior
Key Features
🔘 One Button Switch

Convenient and fast operation with a single power switch.

💡 Power Indicator

Visual confirmation that the machine is operating normally.

🔌 Dual Voltage Output

Supports both 110v and 220v outputs for international compatibility.

👜 Portable Design

Safe, sturdy, and easy to carry for various application scenarios.

🌡️ Heat Dissipation

Large dissipation area ensures safe, stable, and high-efficiency operation.

Connection & Dimensions
Connection method overview
Wiring Diagram 1
Wiring Diagram 2
Technical Specification
Rated Frequency50/60Hz
Voltage Change Rate≤1.5%
Working Efficiency≥98%
Design Life15-20 years
Package Size45.00cm * 35.00cm * 45.00cm
Package Gross Weight20.000kg
Packaging & Manufacturing
Product Packaging
Wooden Box Packing
Quality Certifications
ISO Certification
Product Testing Report
Frequently Asked Questions
What is the main function of this transformer?
It is a Step Up and Down Transformer designed to convert voltages between 110V and 220V, making it suitable for international appliance use.
How efficient is this equipment?
The transformer operates with a high efficiency rate of ≥98%, ensuring minimal energy loss during voltage conversion.
What is the expected lifespan and warranty?
The product is designed for a service life of 15-20 years and comes with a 3-year warranty for peace of mind.
Is this transformer safe for continuous use?
Yes, it features a large heat dissipation area and a stable EI core design, meeting IEC60076 standards for safety and stability.
What items are included in your product range?
We specialize in various electrical equipment including dry-type and oil-immersed transformers, voltage stabilizers, regulators, and frequency converters.
How is the product protected during shipping?
Each unit is securely packed in a specialized wooden box to prevent damage during transport, with a total package weight of approximately 20kg.

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