Explosion Prof Level Switches

    Trimod Besta level switches have been accepted by the world’s leading accreditation bodies for many years. We ensure the high quality through recurring audits and continuously monitor our production. We continually extend the number of authorizations for new markets and applications for our customers.

    Flameproof Trimod´Besta Level Switches

    Hermetically sealed Trimod´Besta Level Switches

    Intrinsically safe Trimod´Besta Level Switches

    Pneumatic Trimod´Besta Level Switches and Controllers

    Flameproof Trimod´Besta Level Switches

    SIL 1 and SIL 2

    Flameproof Trimod´Besta level switches are designed in accordance with EN standards and are tested and approved by PTB. Available with square flanges (Standard range) and with flanges acc. to DIN, ANSI, BS and JIS (Industrial ranges).

    All Trimod´Besta level switches of the  Ex-proof range may be side or top mounted.

    Protection classifications

    Ex de IIC T6 for switch modules XA. etc.
    EPS 09 ATEX 1238 X
    IECEx EPS 15.0037 X
    Ex ia d IIC T6 for switch modules XB., XI., XIE9. usw.
    EPS 09 ATEX 1238 X

    Hermetically sealed Trimod Besta Level Switches

    SIL 1 and SIL 2

    These switches are available in two versions.

    Protection classifications

    Ex ed IIC T6 .. T5 Ga/Gb for switch modules Z..8, ZH..8, ZTD..8 etc.
    EPS 12 ATEX 1430 X
    Ex ed IIC T6 ..T5 for switch modules Z..5, ZH..5, ZTD..5 etc.
    IECEx EPS 15.0038 X

    Intrinsically safe Trimod Besta Level Switches

    SIL 1 and SIL 2

    Level switches with gold plated contacts (type range B) or with proximity switches acc. to NAMUR (type range I, IE9 etc.) are for connection to intrinsically safe circuits and approved, depending on national regulations, for Zone 1 or Zone 0 (float).

    Protection classifications

    Ex ia IIC T6…T2 Ga/Gb for switch modules I…8, …
    EPS 12 ATEX 1430 X
    Ex ia IIC T6..T2 for switch modules I..5, IE9..5 etc.
    IECEx EPS 15.0038 X
    Ex ia IIC T6 Ga/Gb for switch modules B…8 etc.
    EPS 12 ATEX 1430 X
    Ex ia IIC T6 Ga/Gb for switch modules B…5 etc.
    IECEx EPS 15.0038 X

    Pneumatic Trimod Besta Level Switches and Controllers

    Pneumatic level switches of the type ranges FP and FM are approved for installation in Zone 1.