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20 Best Benchtop Isolation Transformer of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Benchtop Isolation Transformer of 2023. Check our ranking below.

2,821 Reviews Scanned

Rank No. #1

Jameco Valuepro GRP-1200 Transformer, Isolation, Benchtop, 120 VAC, 4A, 60Hz, 450VA, 8.86" L x 6.10" W x 4.33" H

Product type: Power transformer | Primary side voltage: 110 VAC | Primary side current: 14 Amps | Primary side frequency: 50 to 60 Hz | Secondary side voltage: 110 VAC | Secondary side current: 7 Amps | Size: 8.86"L x 6.10"W x 4.33"H
Direct fuse: 110 VAC, 14A | Direct AC #1: 110 VAC, 60 Hz, 900 VA | Direct AC #2: 110 VAC. 60 Hz, 900 VA | Input: 110 VAC, 60 Hz, 1800 VA
Isolated fuse: 110 VAC, 7A | Isolated AC #1: 110 VAC, 60 Hz, 450VA | Isolated AC #2: 110 VAC, 60 Hz, 450VA
AC power cord included
100% Satisfaction guaranteed

Rank No. #2

Tripp Lite IS1000HG Isolation Transformer 1000W Medical Surge 120V 4 Outlet TAA GSA

Complete line isolation, noise filtering and surge suppression; ideal for sensitive equipment
1000 watts, 4 5 15R HG hospital outlets, 10 feet power cord with NEMA 5 15P HG plug
Internal low impedance isolation transformer with Faraday shield offers 100 percent isolation from the input AC line
Leakage less than 100 microamps
2 year warranty

Rank No. #3

HiLetgo 2pcs XH-M372 Stereo Audio Isolator Vehicle Common Ground Interference Elimination Current Noise Isolation Transformer Coupler with 3.5mm Audio Socket

XH-M372 Stereo Audio Isolator is an audio common ground isolator, which effectively suppresses the noise caused by the common ground for the sound source and the receiving device.
Due to the difference in grounding resistance, noise is transmitted into the electrical equipment through the ground wire to form interference.
Because the grounding points of the two devices are different, it is possible to generate common ground noise.
The noise is mainly reflected in the car audio, that is, there is an audio interference, like the whistling sound, the frequency of this noise will change with the engine speed.
It can only eliminate the noise and current sound generated by the common electricity, and can not eliminate the noise caused by other reasons, so you need to confirm the source of the noise yourself.

Rank No. #4

YaeCCC Auto Voltage Transformer AC Variable Voltage Converter Transformer 110VAC Input, 0-130VAC Beige (500W)

- Enclosed, non-isolated, Adjustable transformer, with Output Volt Meter.On/Off Power Switch(Lighted),5A fuse & power cord.
- Over-voltage protection, the use of more security.Contact voltage transformer, wide voltage range (0-130V).
- Built-in copper coil, material quality, more secure and durable.High efficiency and with no waveform distortion.
- Suit for home coffee roasting,Motor Speed control,Label Printing Machine,EE Labs,Test for Railroad Switching, Power Supplies, Satellite,Equipment,Telecommunication Equipment.
Please note that most device have surge (when first turn on) much higher than operating amp rating. E.g, motor with 5 amp rating may have over 10 amp surge, and you will need 10 amp transformer.

Rank No. #5

ZHENGXI Isolation Transformers 120V to 120V, 1000W Transformer 120V to 100V Step Down Voltage Converter for Japan Appliances Used in US, 2 Output Sockets

【1000W Isolation Transformer 120v to 120v】: This isolation transformer can effectively filter out noise, improve sound quality, reduce distortion, and purify the power supply
【Step Down Transformer 120v to 100v】: This transformer can also convert the US voltage 120V to 100V, suitable for Japanese appliances used in US
【2 Output Sockets】：With 2 output sockets(120V and 100V),works with both American and Japanese appliances
【HD Display】：Intelligent LCD display, clearly show the working status
【Six Protection Functions】: 1. Over-voltage protection 2. Under-voltage protection 3. Overload protection 4. Over-temperature protection 5. Time-delay protection 6. Short-circuit protection

Rank No. #6

PHC ISO-1000 1000 Watts AC Isolation Transformer with Pass-Through Grounding

Isolation Transformer
1000 Watts AC
Pass-Through Grounding
One output

Rank No. #7

Jameco Valuepro ITR300 Power Transformer, Isolation, 120VAC, 300Va, 3.2" W x 4.6" D x 4.2" H

Input: 120VAC and 60Hz
Maximum Power: 300VA
Internal electrostatic shield
Input connector: 5.5 feet cord with 2-prong plug
Size: 3.2"W x 4.6"D x 4.2"H

Rank No. #8

Hammond 171A ISOLATION TRANSFORMER

Rank No. #9

HiLetgo 5pcs EI14/EI-14 Audio Coupling Isolation Transformer Audio Transformer 600:600 1:1

Advantages:high pressure and stable performance
AC impedance : EI14 600 : 600 Ohm
Inductance:290mH (±20%)
Quality &wire diameter : QA-1 0.06MM
Alternating-current impedance value : 600

Rank No. #10

Endurance Pro 2 Pk EI Type Isolation Transformers PRI.120/208/240 V AC 50/60Hz 24 V AC 40 VA Class 2 Control with Foot Mount Replacement for Jard 4031F HVAC Furnace Multi Tap Packard 42440 Gemline

[Product description] This transformer is designed for use in industrial, heating and air conditioning controls, including thermostats, air conditioning circuits, relays, gas valves and other applications that do not exceed the listed rating
[Product specifications] Primary Voltage: 120/208/240 V AC ,WHT-BLK-RED-ORG. Secondary Voltage: 24 V AC, RED-GRN. Power Rating：40 VA
[Product dimensions] 4.1 x 2.8 x 2.7 inches
[Replacement for] Gemline GT446,Supco SXT105,UEI UET105, UET115,Grainger 6WU91,Jard 4031F,Mars 50203,White-Rodgers GT4031F, 90-T40F3,Grainger 6WU91,Armstrong TWF424-40,Source 1 S1-T2404F,Packard PF42440,Robertshaw 620-206, 620-406, 620-482,Honeywell AT140A1018, AT40A1121, AT40A1139, AT40B1214.
[Risk free shopping] UL/CSA approved parts assure safe operation and long life. This Endurance Pro part by Supply Edge comes with a 1 year no questions asked warr anty.

Rank No. #11

BOJACK EI-14 High Efficiency Audio Isolation Transformers 1:1 600:600 Ohm(Pack of 10 Pieces)

High efficiency audio isolation transformers
MODEL:EI-14
Voltage ratio: 1:1
AC impedance : 600 : 600 Ohm
Lead-Free / RoHS Compliant Electronics Component.

Rank No. #12

ZHENGXI Isolation Transformers 120V to 120V,500W Transformer 120V to 100V Step Down Voltage Converter for Japan Appliances Used in US, 2 Output Sockets

【500W Isolation Transformer 120v to 120v】: This isolation transformer can effectively filter out noise, improve sound quality, reduce distortion, and purify the power supply
【Step Down Transformer 120v to 100v】: This transformer can also convert the US voltage 120V to 100V, suitable for Japanese appliances used in US
【2 Output Sockets】：With 2 output sockets(120V and 100V),works with both American and Japanese appliances
【HD Display】：Intelligent LCD display, clearly show the working status
【Six Protection Functions】: 1. Over-voltage protection 2. Under-voltage protection 3. Overload protection 4. Over-temperature protection 5. Time-delay protection 6. Short-circuit protection

Rank No. #13

Subwoofer Isolation Transformer/Ground Loop Hum Eliminator, Blue Jeans Cable Brand, Made in USA

Will resolve the most common cause of subwoofer hum: ground loop between sub and source.
Subwoofer hum can be caused by other factors. If those other factors are the cause, then this will not solve the problem.
See instruction leaflet, included among the product images, for more detail on subwoofer humming issues and how to diagnose and resolve them.

SaleRank No. #14

[PowerNex] Mean Well PCD-16-1050A 16V 1050mA 16.8W Single Output LED Power Supply with PFC

Constant current mode
Fully isolated plastic case with IP42 level
Isolation class II, no F.G.
Protections: Short circuit / Over temperature
3 years warranty

Rank No. #15

daier 5PCS Audio 1300 : 8 Ohm Transformer EE14 Transformateur POS Transformador

Name: Audio transformer
AC impedance : 1300:8
Frequency Type: High Frequency
Size:1.4cmX1.1cmX1.2cm(LXWXH)

Rank No. #16

Top-Longer Transformer Audio Isolator Mixer/Power Amplifier/Public Address (PA) System Current Acoustic Elimination Transformer XRL & 6.35 Audio Isolation Noise

Signal isolation: The most important function of an audio isolator is to isolate audio signals from each other. This is usually accomplished through the use of transformers.
Ground lift: An audio isolator may also include a ground lift feature, which separates the ground connection between two devices to eliminate hum and other ground loop issues.
Input/Output Impedance: Audio isolators often have adjustable input and output impedance, allowing them to match the impedance of different audio equipment.
Low noise: Audio isolators should have low noise levels to minimize the introduction of unwanted noise into the audio signal.
Sturdy construction: Audio isolators should be built with high-quality components and sturdy construction to withstand the demands of professional audio applications. Portability: Some audio isolators are designed for portability, making them ideal for live sound reinforcement, broadcast, and recording applications.

Rank No. #17

B&K Precision 1604A Single Output Isolation Transformer, 4" H x 4" W x 5.5" D

Leakage: less than 0.1 mA
Model Number: 1604A
Item Package Dimension: 13.49999998623" L x 11.199999988576" W x 9.9999999898" H
Item Package Weight: 15.00025230648 lb

Rank No. #18

Triad Magnetics TY-145P Audio Transformer, Through Hole, 600 Ohms

Impedance: primary: 600ω ct + 15 percent with 600ω load; secondary: 600ω ct and output: 100Mw
Turns ratio: 1:1 and insertion loss @ 1Khz: <1.5Db
Return loss: >26Db
Frequency response: 2Db from 200 To15,000 hz
Dielectric strength: 1500V primary to secondary to core and 6-pin pc mount

Rank No. #19

Mophorn 2000VA 20A Transformer 110V 60Hz Input Voltage Digital Display 0-130V Output Automatic Voltage Regulator for US Plug

Built-In Cooper Coil: The voltage transformer is constructed with built-in copper coil for durability and high efficiency. More secure and durable and with no waveform distortion.
AC Power Supply Adjustable: This is a brand new variable power supply. Input is single phase 110V AC, 60 Hz, output voltage can be adjusted from 0 to 130V AC. Maximum power rating is 2000 VA.
Compact & High Accuracy: Featuring clear voltage output meter, and precise metal pressure gauge, the ac power supply is designed with high grade accuracy and compact for easy transport.
5 Security Protections: Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections.
Wide Application: Widely used for motor speed control, label printing machine, labs, test for railroad switching, power supplies, satellite, equipment, telecommunication equipment, etc.

Rank No. #20

Isolation Transformer / Ground Loop Isolator

Last update on 2023-08-18 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Benchtop Isolation Transformer?

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Potential sources can include buying guides for Benchtop Isolation Transformer, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Benchtop Isolation Transformer. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Benchtop Isolation Transformer buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Benchtop Isolation Transformer currently available on the market.

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Brand Value: Every brand of Benchtop Isolation Transformer has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Benchtop Isolation Transformer?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Benchtop Isolation Transformer.
Customer Ratings: Number ratings grade Benchtop Isolation Transformer objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Benchtop Isolation Transformer.
Product Quality: You don’t always get what you pay for with an Benchtop Isolation Transformer, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Benchtop Isolation Transformer is should be an indication of how long it will work out for you.

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FAQ:

Q: What is the purpose of an isolation transformer?

A: By being able to transfer power from one circuit to another without the use of interconnecting conductors between the two circuits, transformers provide the useful feature of electrical isolation. Transformers designed to provide electrical isolation without stepping voltage and current either up or down are called isolation transformers.

Q: Can an isolation transformer trip a circuit breaker?

A: It is important to note that with an isolation transformer, a device that may have an earth fault that would trip a circuit breaker or blow a fuse will work just fine. In fact, isolation transformers are used for this very reason in certain applications where the sudden disconnection of power due to an earth fault may cause even larger hazards …

Q: Can a secondary transformer be isolated from the primary transformer?

A: However since the secondary is isolated from the primary you can safely derive a new neutral and earth by bonding these together at the secondary of the isolation transformer. This is also done to eliminate noise between “neutral” and earth – as you are shorting it out.

Q: What are the advantages of a transformer?

A: Aside from the ability to easily convert between different levels of voltage and current in AC and DC circuits, transformers also provide an extremely useful feature called isolation, which is the ability to couple one circuit to another without the use of direct wire connections.