Circuit Breakers For Mining Applications - Polandprice: contact company for price
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,
- ow insulation resistance of the main circuits,
- short circuits, high resistance and gaps in the control
- 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
On display are indicated by LEDs following conditions
- 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.
- Posted By: Martech Plus
- Phone: 48323242327
- Address: ul. Górnicza 33, Łaziska Górne, Poland
- Website: http://www.martechplus.pl
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:
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.
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
Dampers and valves
Dampers with sealing air
Air hoses and exhaust
Heat exchange units
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