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  • Circuit Breakers For Mining Applications - Poland

    price: contact company for price

    Special Circuit Breakers MAR-WS-15-80 are designed for use

    in mine in which there is a supply network 1000V and is

    necessary to use 500V devices. Circuit breaker is

    intended for direct starting of mining motors in underground

    mines with "a", "b" or "c"

    methane explosion hazard and “A” or “B” class explosive coal

    dust. They are suitable

    for use in three-phase networks with isolated neutral point

    of the transformer. Four

    outflows allow the combination of one to four motors or one

    or two of the possibility of

    reversion, or a combination of / in the options.

    Circuit Breakers to protect against the effects of:

    - short circuit,

    - load asymmetry,

    - overload

    - ow insulation resistance of the main circuits,

    - short circuits, high resistance and gaps in the control

    circuits,

    - high resistance grounding

    - incorrect phase sequence and voltage asymmetry.

    Provide secure control in variety of configurations and the

    ability to give a warning

    signal before switching on device. The advantage of a

    circuit breaker tripping of

    upstream protection signal clarity and operation of the main

    circuit contactor.

    On display are indicated by LEDs following conditions

    security:

    - short-circuit outflows,

    - overload outflows,

    - asymmetrical load of outflows,

    - blocking drain leakage circuits,

    - central-locking in external auxiliary circuits 24V, 42V

    and switching contactors in the

    circuits of the main outflow.


    Company Contact:


    • Phone: 48323242327

    • Address: ul. Górnicza 33, Łaziska Górne, Poland

    • Email: Email


    Published date: December 6, 2013 -

    • Business Description: MARTECH GROUP has extensive experience in the industry. Primary offer

      ranges includes products of the mining industry, power engineering and

      lighting, including lighting special. Here we refer to the

      characteristics of our company, products and services.

      We also realize a full range projects based on the individual needs of the client. All products, both typical and individual implementation of have the appropriate certificates and approvals.

      Our offer of individual companies as followes:

      MARTECH PLUS:

      Flame proof transformer stations for mining. Capa city from 15 kVA to 1800 kVA

      Automatic Transistor Rectifier Stations

      Flame proof Reactive Power Compensator

      Mini ng flameproof switchgear

      Flame proof specjal switches

      Explosion proof lamps

      Liquid Level Sensors

      Medium voltage cable tester

      Modular lighting systems.

      Industrial lighting

      Vacuum Contactors

      ENERGO MECHANIK

      for mining:

      Battery underground locomotive type LeaBM

      Electric underground locomotive type Ld 31 EM

      Diesel underground locomotive type Lds 100K EMA

      Diesel narrow surface locomotive type WLP . EM

      Container gas station KPSP 2

      for thermal power generation:

      Scroll coal feeder

      Ash chain conveyor

      Coal chain conveyor

      Bunkers dumper

      Dampers and valves

      Dampers with sealing air

      Air hoses and exhaust

      Heat exchange units

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