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

◆ Explosion protection to


◆ Can be used in

Zone 1,2,21,22

Class I

Division 1

Groups A, B, C, D

◆ Classified as IIC 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 CQM 12.0037X
    Gas and dust

    Ex db IIC T6 G

    Ex tb IIIC T80℃ Db IP66

    Europe (ATEX)Presafe 17 ATEX 10687X
    Gas and dust II 2 G Ex db IIC T6 Gb

     II 2 D Ex tb IIIC T80℃ Db IP66
    CertificatesIECEx; ATEX; CU-TR
    Conformity to standardsEN; IEC 
    Degree of protectionIP66
    Ambient temperature -60℃~+55℃

  • MaterialCopper-free Aluminium Alloy, powder coated surface
    Weight6.50 kg
    Enclosure colourWindow grey (RAL7040)
    Exposed fastenerStainless steel
    Circuit breakerMCB (miniature circuit breaker)
    Max. working voltageMax.690V AC 50/60Hz; 500V DC
    Rated voltage1P/230V AC, 2P/3P/4P/400V AC 50/60Hz
    Rated current1A~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 earthingM5/M8
    Cable entries2
    Cable gland (optional)DQM-II(Ex d), DQM-III(Ex d)

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

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

    Global (IECEx): IECEx CNEx 18.0034X  

    (Download here:IECEx_CQM_12.0037X.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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