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MFZN25-12 Load Switch

Load Switch MFZN25-12

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Description

 

MFZN25-12 is Load Switch for indoor installation for AC networks, manufactured by METZ Group.

These MFZN25-12 Load switches are widely used in networks of three-phase alternating current of industrial frequency with a rated voltage of 10 kV. The circuit breakers comply with IEC60265-1 / FDIS IEC60420 standards.

The circuit breakers are characterized by high breaking capacity, safety, reliability, electrical wear resistance, compact dimensions, light weight and do not require maintenance. They also have the ability to turn off the rated current, overload current. Between open contacts, there is a visible gap. The structure includes a grounding switch and an electric spring drive.

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Parameters

 

Terms of Use

  • Ambient temperature: -45° C ~ + 45° C;
  • Installation height above sea level: no more than 2000 m;
  • Relative humidity:
  • daily average: not more than 95%;
  • monthly average: not more than 90%;
  • Fireproof, explosion proof places, lack of dust, corrosive gases, water vapor, and lack of strong vibration.

MFZN25-12-1

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Solutions

 

Design Features of MFZN25-12

The combined load switch consists of a frame, a disconnector (current-limiting fuses are installed on the disconnector), a vacuum arcing chamber, an earthing switch, a spring drive, etc.

Combined circuit breakers are distinguished by compact design, high wear resistance, high breaking capacity, ease of use and low maintenance. The spring of the drive can be cocked either by the engine or manually. Inclusion is carried out either by a solenoid or manually. Interlocks between the disconnector, the vacuum circuit breaker and the earthing switch prevent incorrect operation.

 

Appearance and dimensions of MFZN25-12

MFZN25-12-2

When ordering equipment, please indicate:

  1. Model, name, number of switches;
  2. Rated voltage and rated current;
  3. When choosing a combination switch, indicate the model of the fuse;
  4. Voltage drive AC or DC;
  5. Name and quantity of spare parts;
  6. Special conditions.

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