Which is the best isolate transformers?

Finding your suitable isolate transformers is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best isolate transformers including detail information and customer reviews. Let’s find out which is your favorite one.

Best isolate transformers

Product Features Editor's score Go to site
EX ELECTRONIX EXPRESS Variable Transformer, 500 VAC Max, 0-130 Volt Output, 5 Amp EX ELECTRONIX EXPRESS Variable Transformer, 500 VAC Max, 0-130 Volt Output, 5 Amp
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Isolate Outputs Isolate GND Pedal Power Supply Internal transformer Output 9v 12v 18v and Two SAG 4v-9v Outputs controls Isolate Outputs Isolate GND Pedal Power Supply Internal transformer Output 9v 12v 18v and Two SAG 4v-9v Outputs controls
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Tripp Lite IS500HG Isolation Transformer 500W Medical Surge 120V 4 Outlet TAA GSA Tripp Lite IS500HG Isolation Transformer 500W Medical Surge 120V 4 Outlet TAA GSA
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PHC ISO-500 500 Watts AC Isolation Transformer PHC ISO-500 500 Watts AC Isolation Transformer
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Tripp Lite IS500 Isolation Transformer 500W Surge 120V 4 Outlet 6 feet Cord TAA GSA Tripp Lite IS500 Isolation Transformer 500W Surge 120V 4 Outlet 6 feet Cord TAA GSA
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Atlas Sound AAIT-600 Isolation Input Transformer AA Series Atlas Sound AAIT-600 Isolation Input Transformer AA Series
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RDL TX-AT1S Audio Isolation Transformer RDL TX-AT1S Audio Isolation Transformer
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Siemens MT0075A Industrial Power Transformer, Domestic, 240 X 480, 230 X 460, 220 X 440 Primary Volts 50/60Hz, 120/115/110 Secondary Volts, 75VA Rating Siemens MT0075A Industrial Power Transformer, Domestic, 240 X 480, 230 X 460, 220 X 440 Primary Volts 50/60Hz, 120/115/110 Secondary Volts, 75VA Rating
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Samson MLI1 Mono Passive Isolation Box Samson MLI1 Mono Passive Isolation Box
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UMI Isolation Transformer 120V Compact Power Line Conditioner 250Watts with Faraday Shielding and Filter (AV-250) UMI Isolation Transformer 120V Compact Power Line Conditioner 250Watts with Faraday Shielding and Filter (AV-250)
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1. EX ELECTRONIX EXPRESS Variable Transformer, 500 VAC Max, 0-130 Volt Output, 5 Amp

Feature

Input: 120 volt AC, Output: 0~130 volt AC, 5 amp slow blow fuse
VA: 500VA, 5 Amp. Max (surge)
A rating of 500VA means that at 100volt, the unit can sustain at maximum 5amp. If at 120 volt the unit can sustain at 4.1amp
WARNING: Most devices have a surge amperage (when first turned on) that is much higher than the device's operating amp rating.
EXAMPLE: A motor with a 5 amp rating may have over 10 amp surge, and you will need a 10 amp variable transformer

Description

This variable transformer is a great device for quality control testing, equipment testing on low and high voltage, control over heat, speed, and more. In order to purchase the right variable transformer, it is critical that you know the amp usage by your electronic device. It is always best to be conservative otherwise you risk destroying the variable transformer and it can be very dangerous. For example, if your device requires 5 amp, buy the variable transformer with up to 10 amp. A rating of 500VA means that at 100volt, the unit can sustain at maximum 5amp. If at 120 volt the unit can sustain at 4.1amp. Note - Indoor use only. Do not operate in a condition that may cause electrocution and fire. Do not operate in a wet environment. Do not operate near flammable substance.

2. Isolate Outputs Isolate GND Pedal Power Supply Internal transformer Output 9v 12v 18v and Two SAG 4v-9v Outputs controls

Feature

Internal transformer with isolation Isolate Outputs and Isolate GND
Dimensions : 155 x 85x 45 mm Suitable for Pedaltrain pedal board etc
8 outlets configured in 8 isolated sections.
short circuit protection of all outlets
Two SAG controls ,output Jack 7 and 8 are controls to vary the voltage from 4V to 9V

Description

C8 POWER STATION Isolate Pedal Power Supply-Internal transformer AMAZING TONE STARTS WITH PEDAL POWER! The C8 Power station is based on the Voodoo Lab Pedal Power 2 Plus , add a 230/115v switch and a power switch, improve the output current. The C8 is the finest power supply available for guitar effects. It's eight 9V outputs will power any type of battery operated effect. Each output is completely isolated, short-circuit protected, highly filtered and regulated. This insures reliable operation, free of hum and noise. C8 Power Station includes two high current outputs, capable of properly powering newer high power effects such as Boss Twin, Line 6 modelers, and TC Electronic Nova pedals. It also features two variable voltage outputs to simulate worn batteries. Using an optional voltage doubler cable, you can power many 18V and 24V effects as well. Features: (1)8 outlets configured in 8 isolated sections. (2)Internal transformer with isolation. (3)Two SAG controls ,output Jack 7 and 8 are controls to vary the voltage from 4V to 9V (4)Two 9 and 12V 300mA available (5)short circuit protection of all outlets (6)115 or 230V mains voltage operation (7)durable steel enclosure (8) Dimensions : 155 x 85x 45 mm Suitable for Pedaltrain pedal board etc DIP Switch :NORMAL Output DC Voltage Max. Current 13 9V 100MA 45 9V 300MA 6 9V 100MA 78 9V 100MA DIP Switch :ON Output DC Voltage Max. Current 13 12V 100MA 45 12V 300MA 6 18V 100MA 78 Adjustable 4V to 9V 100MA

3. Tripp Lite IS500HG Isolation Transformer 500W Medical Surge 120V 4 Outlet TAA GSA

Feature

Complete line isolation, noise filtering and surge suppression; ideal for sensitive equipment
500 watts, 4 5-15R-HG hospital outlets, 10-ft. power cord with NEMA 5-15P-HG plug
Internal low-impedance isolation transformer with Faraday shield offers 100% isolation from the input AC line
Leakage less than 100 microamps
2 year warranty

Description

The Smart Transformer Solution for Medical Facilities

All isolation transformers must conform to the UL 60601-1 standard when used within medical patient care areas. Get complete, compliant protection for all sensitive devices in the patient care area and prevent power disruption with Tripp Lites Isolator IS500HG Power Conditioner. Featuring an internal isolation transformer with a Faraday Shield, the IS500HG completely isolates equipment from line noise that can cause incremental, but devastating, equipment damage. Its 510-joule surge suppression rating protects equipment from surges and spikes caused by utility power disruptions and the operation of nearby equipment on the same circuit. With 100% isolation from the input AC line, the IS500HG eliminates leakage and shock potential down to less than 100A. The IS500HGs 10-ft. power cord allows for flexibility when installing, while the built-in circuit breaker prevents dangerous circuit overloads. 500 watts of capacity allow for use with a variety of sensitive monitoring, diagnostic, and computer equipment. The widely spaced hospital-grade output receptacles fit any standard input plug and the power switch offers convenient, one-touch power control. For peace of mind, the IS500HG features a rugged, all-metal housing and comes with a two-year warranty.

IS500HG Feature Focus
IS500HG Feature Focus
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IS500HG Hospital Grade Plug
IS500HG Hospital Grade Plug
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Approved for Use in Patient Care Areas

UL 60601-1 compliance is required for isolation transformers within patient care areas in order to avoid hazardous conditions and provide an optimally safe environment for patients, staff, and visitors. By isolating equipment from unpredictable and disruptive utility power, the IS500HG eliminates the need for dedicated circuits or costly upgrades to a healthcare facilitys electrical system. The internal isolation transformer with Faraday Shielding provides 100% isolation from the AC power line for equipment plugged into the IS500HG and reduces leakage to less than 100A for full UL 60601-1 compliance. The IS500HG is perfect for protecting sensitive medical equipment that can be affected by EMI/RFI line noise, utility switching transients, background spikes, and other unpredictable power conditions.

High-Capacity with Robust Features

The IS500HGs 1000-watt capacity can handle a variety of electronic medical devices, while features like a 510-joule surge suppression rating, integrated circuit breaker, and powerful line noise filtering provide ultimate protection and safety in even the most hazardous conditions. With continuous transformer filtering and no wearable parts, the IS500HG reduces surges in the worst power environments to harmless levels.

Convenient, User-Friendly Operation

A 10-ft. cord allows for flexible installation, while 4 hospital-grade NEMA 5-15R-HG output receptacles let you plug standard equipment into the IS500HG without any adapters or custom power cords. Operation is easy; simply plug the IS500HG into a grounded three-prong utility outlet, plug your equipment into the IS500HG, and turn the power on with simple, one-touch lighted power switch.

2-Year Warranty and Environmentally Responsible Design

The IS500HG is backed by a 2-year warranty. As part of Tripp Lites commitment to environmental responsibility, it is manufactured in compliance with strict RoHS specifications.

IS500HG In Use
IS500HG In Use
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TAA Compliance

The IS500HG meets the requirements of the Trade Agreements Act (TAA), making it possible for use in government agencies and educational institutions.


Tripp Lite IS500HG Medical-Grade Isolation Transformer:
  • Complete line isolation, noise filtering and surge suppression for sensitive medical equipment
  • Full UL 60601-1 compliance permits use within designated patient-care areas
  • Faraday Shield offers 100% isolation from the input AC line
  • 500-watt continuous capacity with 4 hospital-grade NEMA 5-15R-HG output receptacles
  • 510-joule surge suppression rating
  • 10-ft. power cord with hospital-grade input plug allows for installation flexibility
  • Circuit breaker provides overload protection
  • Convenient, lighted power switch for simple power control
  • TAA-compliant for GSA Schedule purchases
  • 2-year warranty

4. PHC ISO-500 500 Watts AC Isolation Transformer

Feature

AC Isolation Transformer
500 watt max
120 volt AC input; 120 volt AC output

Description

Isolation transformer is a great way to reduce the static interference from the wall outlet. With this device you can reduce static noise for your speaker, provide much stable level output of power.

5. Tripp Lite IS500 Isolation Transformer 500W Surge 120V 4 Outlet 6 feet Cord TAA GSA

Feature

500 watts,

Description

Tripp Lite Isolator series isolation transformer-based power conditioners offer complete line isolation, continuous noise filtering and enhanced normal and common mode surge suppression. Internal low-impedance isolation transformer component with Faraday Shield offers 100% isolation from the input AC line. Secondary neutral to ground bonding eliminates common mode noise, providing an isolated ground reference for sensitive equipment and an inexpensive alternative to the installation of dedicated circuits and site electrical upgrades. Removes EMI/RFI noise, utility switching transients, background spikes generated by other on-site loads and utility or lightning related surge conditions. Additional surge suppression components placed at both the line input and transformer output combined with full line isolation offers continuous line filtering of a full range of power line noise in all modes. Continuous transformer filtering with no wearable parts uniquely reduces surges in the worst of power environments to harmless levels. Reduces 6000V IEEE C62.41 Cat A&B ring wave and combination wave test surges to only 0.5V common mode. Model IS500 offers 500 watts capacity with 4 widely spaced output receptacles, a 6-ft power cord, circuit breaker overload protection and lighted power switch. Rugged all-metal unit housing ships ready for upright tower or wallmount placement in industrial, medical, office or network environment.Package Includes: IS500 Isolation transformer system Instruction manual with warranty information

6. Atlas Sound AAIT-600 Isolation Input Transformer AA Series

Feature

600 ohm input impedance
Easily installed on main circuit board
Provides ground loop isolation

Description

The AAIT-600 optional input transformer is used to isolate input 1 of all the AA Series mixer amplifier from possible ground loops when connecting to various music or paging sources.

7. RDL TX-AT1S Audio Isolation Transformer

Feature

Studio Quality Bifilar Audio Transformer.
Transient and RF Suppression.
Terminal Block Transformer Connections.
Galvanic Isolation.
11 Transformer Coupling.

Description

Features: Studio Quality Bifilar Audio Transformer Transient and RF Suppression Terminal Block Transformer Connections Galvanic Isolation 1:1 Transformer Coupling Transformer to Drive 600 Ohm Line Convenience of RDL TXs Frequency Response: 20 Hz to 20 kHz (+/- 0.1 dB) THD: < 0.035% ( 50 Hz to 20 kHz, +4 dBu input) 0.001% (Typ. 1 kHz, +4 dBu input) Input / Output Level: +4 dBu, +22 dBu max. 85 dB (balanced input, 50 to 60 Hz)

8. Siemens MT0075A Industrial Power Transformer, Domestic, 240 X 480, 230 X 460, 220 X 440 Primary Volts 50/60Hz, 120/115/110 Secondary Volts, 75VA Rating

Feature

Reduces 240 x 480, 230 x 460, or 220 x 440 V (primary voltage) to 120/115/110 V (secondary voltage)
Rated up to 75 VA
Silicon steel-laminated core and copper magnet wire for increased transformer efficiency
Epoxy-encapsulated to resist moisture, dust, and industrial contaminants
Built-in fuse clips on secondary side save panel space and wiring time because they do not have to be manually installed in the field

Description

This Siemens MT0075A industrial power transformer has a 75 VA power rating, a voltage letter designation of A, and reduces 240 x 480, 230 x 460, or 220 x 440 V (primary voltage) to 120/115/110 V (secondary voltage). A silicon steel-laminated core and copper magnet wire increase transformer efficiency, which decreases the destabilizing effect of inrush current on secondary voltage. Epoxy-encapsulated transformer coils resist moisture, dust, and industrial contaminants, and built-in terminals and barriers resist breakage. Steel mounting brackets provide stable mounting and slotted mounting feet make installation easier. The thermal insulation class for this transformer is 105 degrees C with a 55 degree C (131 degrees F) temperature rise. This power transformer is Underwriters Laboratories (UL) listed and CSA International certified, and is suitable for use in transforming electrical power for machine tools and industrial control circuits.

Specifications
Primary voltage240 x 480 V, 230 x 460 V, 220 x 440 V
Secondary voltage120/115/110 V
Voltage letterA
Power rating75 VA
Frequency rating50/60 Hz
Rating marksUL, CSA
Built-in fuse clipsSecondary side
Thermal class105 degrees C (221 degrees F)

Power transformers change voltage from a supplied voltage to a required voltage. They also isolate control circuits from power and lighting circuits, which reduces electronic interference. Transformers accommodate specific primary voltages and currents, and supply specific secondary voltages and currents. Power transformers are used in a wide range of applications, such as home electronics power supplies, machine tools, and the distribution of electricity.

Siemens manufactures electronic products for building automation, industrial drives, lighting, energy generation, medical equipment, and rail transportation. The company, founded in 1847 and headquartered in Munich, Germany, meets International Standards Organization (ISO) standards 14001, 9001 and TS 16949.

9. Samson MLI1 Mono Passive Isolation Box

Feature

Mono line isolation box eliminates hum and buzz caused by ground loops
Samson STL transformer isolates input and output signals
Flexible connectivity with 1/4" and XLR input and output connections
Ruler flat frequency response from 10Hz-35kHz
All-metal, impact resistant design

Description

The Samson MLI1 is a line level passive isolation box designed to remove hum and buzz caused by ground loops, as well as to convert unbalanced signals to balanced signals for long cable runs. Combining premium sound circuitry with durable, roadworthy construction, the MLI1 provides high-quality signal connection solutions for live, broadcast and studio applications.Frequency FlatnessThe MLI1 features Samson's STL transformer that delivers an extended, ruler flat frequency response from 10Hz 35kHz ( 0.2dB) with ultra-low distortion. The transformer isolates the input signal from the output signal, removing any DC noise. The Ground Lift switch disconnects the ground from the Input and Output connections which eliminates hum caused by ground loopsRoadworthy ConstructionHoused in a 14-gauge steel chassis, the MTI1 is built to withstand the abuse of the most demanding live tours. Its rigid outer shell protects all the MTI1 s internal connections, switches and solder joints from failure, ensuring quiet, reliable performance.FeaturesMono line isolation box eliminates hum and buzz caused by ground loopsSamson STL transformer isolates input and output signalsFlexible connectivity with 1/4 and XLR input and output connectionsRuler flat frequency response from 10Hz 35kHzAll-metal, impact resistant designGet yours today; with the security of our many decades of experience and Sam Ash Direct efficient order processing, your satisfaction is guaranteedSpecifications Frequency Response: 10Hz 35kHz ( 0.2dB typical), up to 75kHz (-1dB)Dynamic Range: 140dBMaximum Input: +15dBu @ 41Hz for 1% THD+NGain: +0.2dBRejection: 50/60Hz 126dB typicalEquivalent Input Noise: -115dBuIntermodulation Distortion: 0.003%Total Harmonic Distortion: 0.0006%Input Impedance: 7.7k Output Impedance: 600 nominalGround Lift: Disconnects ground from input to output connectors. Case is always grounded to outputs.Connectors: Input: XLR-1/4 combo, Output: XLR + 1/4 TRSChassis Construction: Powder

10. UMI Isolation Transformer 120V Compact Power Line Conditioner 250Watts with Faraday Shielding and Filter (AV-250)

Feature

1.Toroidal Isolation Transformer: High efficiency, Low magnetic leakage, Low noise, a grounded Faraday Shielding between windings greatly reduced the coupling of common-mode noise;
2.Eliminating Buzzing Noise: Could eliminating the buzzing noise caused by ground loops which happens when the audio source and the speaker use the utility power. Isolation transformer provide galvanic isolation and are used to protect against electric shock, to suppress electrical noise in sensitive devices, while, Filtering technology reducing AC line noise, providing clean and safe power for high-performance audio and video.
3. Over-heating protection: equipped with PTC sensor thermistor;
4.Modern Compact design: AV-250, with 250VA rated power, Slim design, light weight, only 15.3*21.5*5.2cm(6"*8.46"*2") 1.8kg(3.96Lb),make it easy to integrate into a wide range of applications: a home theater setup, projector, HIFI desktop Audio, HD STB where pure and clean power is needed;
5.Safety: US standard 3.3-ft cord, Insulated ABS plastic shell, Fuse Protection, Short Circuit Protection, 2 outlets, can use 2 equipments simultaneously, CE & CQC Certified!

Description

Product Description:
Utility power problems like EMI/RFI line noise, surges and background spikes can destroy equipment, damage crucial data and lead to critical system failures. Protect your sensitive devices and prevent power disruption with UMI Isolator AV-250 Power Conditioner. Featuring an internal isolation transformer with a Faraday Shield, AV-250 completely isolates equipment from line noise that can cause incremental, but devastating, equipment damage.
250Watts capacity allow for use with a variety of sentive electronics like HIFI desktop Stereo, telecom systems and more.
1.Surge-Pro: A soft start circuit is built inside to prevent an inrush current at the starting moment. Home circuit breaker not trip off at the starting moment
2.Isoltation and Filtering: Due to the "low pass but high blocked" feature of the toroidal isolation transformer, the medium and high frequency harmonics in the city power supply and the clutter interference will be damaged or blocked by the transformer, while the low frequency signals like 50 Hz are completely passed, which helps to filter out the medium and high frequency clutter in city power supply.
3.Improve Audio/Video Quality: Various electromagnetic and radio sources can cause disruptive interference on the AC line. This EMI/RFI line noise is a common cause of incremental hardware damage, data corruption and audio/video performance problems. Our AV series Isolation Transformer filters out disruptive line noise, preventing it from affecting your equipment or corrupting data, highly improve the audio/video quality.
4.Compact Design:AV-250, Slim design, light weight, only 15.3*21.5*5.2cm(6"*8.46"*2") 1.8kg(3.96Lb),make it easy to integrate into a wide range of applications: a home theater setup, projector, HIFI desktop Stereo, Combined Amplifier, TV, Laser CD Player, HD STB and other household appliance where discrete power conditioniong is needed.

Conclusion

All above are our suggestions for isolate transformers. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using isolate transformers with us by comment in this post. Thank you!

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