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  • Toroidal Power Transformer For Amplifiers - China

    price: 8.50 Dollar US$

    1 - Installation:

    Horizontal (non-conventional-type base plate), sunk, side type, and bridge.

    2 - Application:

    Especially low-hum and low-dispersing construction

    Low-level of induction

    High-grade design casing possible

    Statically shield winding and magnetical shield winding optional.

    3 - Equipment:

    Over 50 sets toroidal/annular/ ring coil winding machines, 3 EI type transformer lines, 2 sets of vacuum annealing furnaces, A set of nitrogen and hydrogen production equipment.

    4 - Warning

    Under no circumstances should both ends of the fixing bolt simultaneously contact the metal chassis or framework as this would create a potentially dangerous 'shorted-turn'.

    5 - Certificate

    The certificate of our transformer has CE CQC RoHS UL

    6 - Note

    The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design.

    And the specification is for reference, if has the change further, please take the material object as the standard.

    20VA Φ 60 H25 82 10mA 1.20V 0.45kgs 30VA Φ 65 H35 84 10mA 1.20 0.50kgs 50VA Φ 70 H40 88 20mA 1.15 1.30kgs 100VA Φ 85 H60 90 30mA 1.15 1.50kgs 120VA Φ 90 H75 93 40mA 1.10 2.00kgs 200VA Φ 110 H80 93 100mA 1.10 2.80kgs 300VA Φ 120 H80 94 150mA 1.08 3.50kgs 500VA Φ 130 H80 94 150mA 1.08 5.00kgs 800VA Φ 140 H85 94 200mA 1.08 6.50kgs 1000VA Φ 140 H85 95 300mA 1.05 8.50kgs 1500VA Φ 160 H90 95 400mA 1.05 12.0kgs 2000VA Φ 180 H90 95 400mA 1.05 15.0kgs 4000VA Φ 220 H95 95 500mA 1.05 20.0kgs 6000VA Φ 250 H95 95 500mA 1.05 25.0kgs


    Company Contact:


    • Phone: +862284943756

    • Address: RM1013 2#Building MeiNian Plaza No.16 DongTing Road HeXi Distr, 300222 Tianjin China., Tianjin , TianJin , China

    • Email: Email


    Published date: July 31, 2018

    • Business Description: Tianjin Grewin Technology Co.

      Ltd. In Tianjin City which is very close to XinGang Port and BinHai International Airport, which provide timely and convenient access to transportations for customers.

      Its a professional leading and a main exporter of a wide variety of electronics components in north of China.

      All of our products stand for top quality in this industry and are enjoying very high honor.

      We have abtained ISO90001, CE, SGS approval and IEC test report.

      Our core business are including following:

      1 - Toroidal Transformers

      2 - Current Transformers

      3 - EI laminated Transformers

      4 - Ferrite Core Transformers

      5 - Monitoring Devices

      6 - Power Testing

      7 - Chokes Coil

      All staff in our company would like to appreciate for your attention to our products.

      Welcome to give us your valuable suggestions about products and services.

      You can be our sole agent in your country and benefit from more preferable prices.

      OEM orders are welcome.

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