BLK Series Explosion-proof Motor Switches(Ex d IIB)

◆ Explosion protection to


◆ Can be used in

Zone 1,2,21,22

Class I

Division 1

Groups C, D

◆ Classified as IIB according to gas atmosphere.

◆ Copper-free Aluminium Alloy enclosure, powder-coated


◆ Built-in MCB (miniature circuit breaker), MCCB (moulded

case circuit breaker).

◆ Earth leakage protection device is optional.

  • Global (IECEx)IECEx CNEx 18.0034X
    Gas and dust

    Ex db IIB T6 Gb

    Ex tb IIIC T80℃ Db

    Europe (ATEX)CNEX 18 ATEX 0027 X
    Gas and dust II 2 G Ex db IIB T6 Gb

     II 2 D Ex tb IIIC T80℃ Db
    CertificatesIECEx; ATEX; CU-TR
    Conformity to standardsEN; IEC 
    Degree of protectionIP66
    Ambient temperature -60℃~+60℃

  • MaterialCopper-free Aluminium Alloy, powder coated surface
    Enclosure Weight8.00kg
    Enclosure colourWindow grey (RAL7040)
    Exposed fastenerStainless steel
    Circuit breakerMCB (miniature circuit breaker)
    Max. working voltage440V AC 50/60Hz
    Rated voltage1P/230V AC, 2P/3P/4P/400V AC 50/60Hz
    Rated current16A/32A/63A
    Number of pole1P, 2P, 3P, 4P
    Breaking capacity6kA, 10kA, 15kA
    Tripping characteristicInstantaneous tripping range (5~10) In, (7~10) In or (10~14) In
    Impulse withstand voltage6kV
    Internal&external earthingM6/M6
    Cable entries2
    Cable gland (optional)DQM-II(Ex d) or DQM-III(Ex d)
    Earth leakage protectionOn request

  • BLK Series Explosion-proof Motor Switches(Ex d IIB)

    (Download here:BLK Series Explosion-proof Motor Switches (Ex d IIB).pdf

    Global (IECEx): IECEx CNEx 18.0034X  

    (Download here:IECEx CNEX 18.0034X.pdf) 

    Contact us for more information:

    Address : No. 555, Baoqian Road, Jiading District, Shanghai, China

    Zip Code: 201808

    Tel: +86 21 39977076 /+86 21 39972657

    Fax: +86 21 39977077


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