Isolation Transformer Collection – Trusted ISO Transformers Manufacturer

Looking for a safe, reliable, and efficient Isolation Transformer for your equipment?
ZHENGXI is a professional Isolation Transformer Manufacturer offering high-quality single phase isolation transformer and 3 phase isolation transformer solutions at competitive isolation transformer price levels — with full customization options.

SBK 0.3Kva-5Kva Three-Phase Dry Type Isolation Transformer

QSG 10kva-100kva 3 Phase Dry-Type Autotransformer

GBK2 single phase low voltage 120v to 120v toroidal isolation transformer 300va-2000va

Voltage Power Transformer 100VA 200VA 500VA 1000VA

JMB Single Phase Construction Site Low Voltage Portable Lighting Lamp Transformer 220V 380V To 6V/12V/24V/36V/110V

0.5kva-80kva 3 Phase Indoor Low Voltage Dry Type Isolation Transformer

SG 10kva-100kva 3 Phase Indoor Low Voltage Dry Type Isolation Transformer

GBK 0.5kva-5kva low voltage 220v to 220v single phase toroidal isolation transformer

ES710 single-phase and three-phase isolation transformer for medical equipment

ES710 Medical Isolation Transformer – Single & Three-Phase Options

SCB11 Three Phase Cast Resin Dry Type Isolation Distribution Transformer 630kva 6.6kv 11kv To 400V

What Is an Isolation Transformer?

An isolation transformer transfers AC power from the primary to the secondary coil without direct electrical contact. This provides:

Electrical safety isolation
Protection against electric shock
Reduction of ground loop problems
Clean, noise-free power supply

This makes iso transformers ideal for sensitive, high-precision, and mission-critical equipment.

Types of ISO Transformers We Offer

Single Phase Isolation Transformer

Compact and efficient
Ideal for lower-power systems
Great for office equipment, test benches, medical devices, telecom, audio systems

3 Phase Isolation Transformer

Built for heavy industrial loads
Enhanced noise suppression
Suitable for motors, CNC machines, automation lines, UPS, elevators, data centers

Key Features

Pure input-output electrical isolation
Strong interference & noise filtering
Supports both step-up & step-down voltage
Copper or aluminum winding options
Power range: 500VA – 500kVA
Available in open frame, IP23, or IP24 enclosures
Operating frequency: 50/60Hz
Efficiency ≥ 95%

How Much Does an Isolation Transformer Cost?

The isolation transformer price varies based on:

Power rating (kVA)
Input/output voltage
Single-phase vs 3-phase
Winding material
Enclosure requirements

Tell us your application — we provide a fast, factory-direct quotation.

Applications

Our ISO transformers are widely used in:

Industrial machinery & automation
CNC & servo systems
IT & telecom
Medical equipment
UPS systems
Elevators
Laboratory and testing equipment
Repair & electrical maintenance safety

Why Choose ZHENGXI as Your Isolation Transformer Manufacturer?

Specialized electrical equipment manufacturer
Strong engineering & customization capability
High-quality materials and strict QC process
ISO9001-certified production
OEM/ODM support
Global shipping and technical support

FAQ

Q1: Do isolation transformers improve electrical safety?

Yes. By isolating the secondary side from ground, they greatly reduce the risk of electric shock and equipment damage.

Q2: How do I choose between a single phase or 3 phase isolation transformer?

Use single phase for light equipment and 3 phase for industrial machinery, motors, and automation systems.

Q3: Do you offer custom voltage and kVA ratings?

Yes. We support custom configurations including 110/115/120/220/230/240/380/400/415/440/480V and 500VA–500kVA.

Q4: What information should I provide when requesting a quote?

Power rating (kVA), input/output voltage, phase type, installation environment, and enclosure requirements.

Need Help Choosing the Right Model?

Whether you need a single phase isolation transformer for office use or a 3 phase isolation transformer for industrial equipment, our engineering team can recommend the right model based on your voltage, kVA rating, and operating environment.