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086-020-86780028

Guangzhou Senbao Electrical Appliances Co., Ltd.

Tel:086-020-86780028

Fax:086-020-86780013

Add:Guangzhou

E-mail:senbao@gzsbdq.com

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Location: Home - ProductsProducts - B-Type Overload Protector
  • B-Type Overload Protector

  • Content introduced:

    Application & Performance

    The product is used as the accessory of the compressors for refrigerator, freezer or air-conditioner. It consists of dishes thermal bimetal disc connected in series with heating element. When the compressor is in locked rotor or running overload occur, the bimetal disc will snap trip, cut off the current to realize its protection function to compressor. The product has the feature of high sensibility, reliability, stability, small volume and light weight. 

    Code System

     

    e.g:

    B58-105A stands for the rated current is 5.8A, opening temperature is 105℃. And it is a kind of thermal protector with current-temperature auto-reset type, and is designed for the first time.                              

    Main Parameters Table

     

     

     

    Application Field

     

    Temp. Feature

     

    Time-check Current25±1

     

     

    UTCA

    Contact Resistance

    (mΩ)

    Insulation

    Resistance (MΩ

    Electric strength

    Cycle life

    Opening Temp. ()

     

    Closing Temp.

    ()

    Rated Current

    (A)

    Opening Time

     (S)

    Closing Time

     (S)

     

    According to customers requirement

    Normalcy

    Humidity

    Compressor of refrigeration and freezer

    90170±5

    50100

    250

    220

    3300

     

    ≤50

     

    ≥500

     

    ≥100

    AC50Hz;1500V;1min

    Over 10000 cycles

    Compressor of air-condition

    120170±5

    60100±711

    250

    520

    <50

     

    Remark1. Parametric tests is under 25±1   2. Produce products according to customersrequired parameter

     

     

    Ambient Conditions

    Safety Certificates CQCVDE

     Weight15g

    Ambient Temperature-10+43

    Relative Humidity≤90%25

     Dimension:

    Unit: mm

    Remark Terminal type 4.8×0.8mm or 6.3×0.8mm fastonproduce products according to customers’requirements


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