Best Isolation Transformers in 2026

Transformers War for Cybertron Voyager 35th Anniversary WFC-S55 Soundblaster

BOJACK Hight Quality EI type Isolation Control Transformers

Primary Voltage: 120/208/240 V AC ,WHT-BLK-RED-ORG

Secondary Voltage: 24 V AC,RED-GRN

Wire length 8". UL Listed

Mounting Configuration: 2 Foot

Primary Voltage: 120/208/240

Expands the reach of WiFi signals by diminishing the effect of interference with the ABS polymer construction

Improves system access with a 180 Degree hinged door

Vented door for cooling active electronics.Inside dimensions of enclosure: 29.50 H x 13.75 W inches

☘【Super compatible】- Dimmable LED driver is compatible with almost all AC control systems constant voltage led products. The 12v dimmable led driver is the best choice for landscape lighting and home lighting.

☘【Strong stability】- Dimmable LED driver flexible start, MCU control dimming process is better with no AC flicker high efficiency and stable performance. Input and output yellow isolation waterproof and dustproof protectio.

☘【 Protection】- Short-Circuit / Over Current / Over Voltage（OVP）/Under Voltage (Blackout Protection) and Auto-recovery Mode.

[DC 12V LED Power Supply]: Mini size 15W LED driver transformer, Input: AC100-265V, Output: DC 12V; Size: 2.59*1.18*0.78 inches.

[Wide Application]: Our 15W LED power supply driver is suitable for most of devices with DC12V such as CCTV, Illuminated Module Signboard, Cabinet Lights, LED Strip Lights, LED Display, LED Module, Indoor/Outdoor Deck Lights, Indoor Stair Step Lights, LED Light Bulbs like G4, MR11, MR16 LED bulbs.

[Good Heat Dissipation]: LED 12V transformer is made of aluminum, easy for heat dissipation and ensure stability. 100% Waterproof IP67 protect for outdoor use;

High efficiency audio isolation transformers

MODEL:EI-14

Voltage ratio: 1:1

Advantages:high pressure and stable performance

AC impedance : EI14 600 : 600 Ohm

Inductance:290mH (±20%)

Tightly coupled primary and secondary windings, sufficient pass frequency band, large original winding inductance, small leakage inductance, can reduce the influence of the hysteresis loss

Suitable for radio communication, broadcast television, automatic control and component of voltage amplification or power output

Can be used to transform voltage or transform load impedance

Name: Audio transformer

AC impedance : 1300:8

Frequency Type: High Frequency

1.Model:power transformer ferrite core

2.Name: T118X80X22

3.Size:OD=118mm/4.6'' ID=80mm /3.15'' T=22mm/0.87''

Complete line isolation, noise filtering and surge suppression; ideal for sensitive equipment

1800 watts, 6 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

Material:Silicon steel sheet,high temperature resistant oxygen-free copper wire

Primary 5 K OHM;Secondary 0-4Ω-8Ω;Winding method:3+2 fever grade winding

Mounting hole center distance:70mm

Designed to transform voltage or change the impedance of a load.

The primary and secondary windings are closely coupled.

Sufficient passband, the original winding inductance is large, the leakage inductance is small, the influence of hysteresis loss can be reduced.

【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

INDOOR 70V TRANSFORMER: Turn any 8 ohm speaker into a 70v/100v speaker in a distributed sound system, compatible with any 70v/100v amplifier

EASY INSTALLATION: Six-inch cable leads give you plenty of room to work around, a self-adhesive pad for quick and easy installation.

HIGHER TAP SETTINGS: This indoor transformer includes 50W, 40W, 30W, 20W and 10W taps that allow different power levels and volume for each speaker.

UL-3R enclosure meets or exceeds all listing criteria including NEMA, ANSI and OSHA standards Shielded for cleaner power Quiet operation with sound level well below NEMA standards Long life UL class 155

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

【Work Stability】: Ring Transformer Model EI-14. Lead-free compatible electronic components. Isolation transformers, select high quality materials, stable work, convenient, long life.

【AC impedance】: 600: 600 ohms. o Tightly coupled to the isolation transformer, primary and secondary windings, there is sufficient passband, the original winding inductance, small leakage inductance, can reduce the impact of lag loss.

【High efficiency】: audio transformer 1: 1. These isolation transformers all high efficiency O transformers, EMI, high voltage, and stable performance.

Constant current mode

Fully isolated plastic case with IP42 level

Isolation class II, no F.G.

Selection of high quality material, work stable, practical convenience, and with long severing life

EMC, EMI, high voltage, stable performance

These isolation transformers are all high efficiency audio transformers

50 –5000 VA 50/60 Hz

Epoxy encapsulated design protects core & coil assembly from potentially damaging contaminants

Constructed with high quality silicon steel lamination to minimize core losses and increase efficiency