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MFZW32-12-Load-Switch

Load Switch MFZW32-12

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Description

 

The load switch MFZW32-12 is a three-phase switch for the load of an outdoor installation (open installation), which enables the switching on and off under load (without damage) of sections of a three-phase alternating current circuit, with earthed or isolated neutral in emergency conditions.

MFZW32-12-1

Rated current, A — 630, 1250

Rated voltage, kV — 10

The maximum operating voltage, kV — 12

Rated frequency, Hz — 50

Rated short-time withstand current, kA / s — 12.5 / 4 20/2

Rated peak withstand current, kA — 31.5 / 50

Impulse voltage (peak) / ground, kV — 75/85

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Parameters

 

Technical parameters of MFZW32-12:

MFZW32-12-2

Operating Conditions of MFZW32-12

  1. Altitude: up to 1000 m.
  2. Ambient temperature: from -35 ° C to + 45 ° C.
  3. Environmental Humidity: the average value of relative humidity during the day is not more than 95%;
  4. Seismic resistance up to 8 points.
  5. Do not operate in places where the circuit breaker may be exposed to flammable gas, where there is a danger of explosion, the risk of chemical corrosion, and where the equipment is subject to strong vibration.
  6. Estimated service life — 20 years
  7. Warranty Period — 12 months.
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Solutions

 

Advantages:

  1. Use vacuum interrupter, without explosion hazard and no need maintenance.
  2. Disconnector and three-phase vacuum interrupter are ganged, when opening, there is obvious disconnecting fracture.
  3. All components use stainless steel material, the chassis uses stainless steel material or hot galvanizing coated with anti UV protection paint carbon steel, ensures product’s normal operation in outdoor environment.
  4. Installation way mainly are single pole mounting and manual operation, also use motorized or remote control operation.
  5. Widely used in rural and urban distribution network, railway and other distribution electricity circuit retrofit.
  6. Great breaking capacity, safe, reliable, long electrical life, and can be operated frequently.

MFZW32-12-3

MFZW32-12-4

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