Driescher & Wittjohann

Naucalpan de Juárez,  Estado de Mexico 
Mexico
http://www.driwisa.com
  • Booth: V126


Welcome to DRIWISA : german technology with mexican costs.

German born (1909) company based in Mexico (1969).

Fritz Driescher AG, a stoke holder, provides technology, components and technical support. 

A strong brand positioning has been constantly kept, enhancing our export sales.

In 1983 DW initiates exports to Central/South America. Through time has expanded its product catalog offering in 2010 metal enclosed (leading the mexican market) and switch board.

DW’s designs and technology comply with ANSI and IEC standards.

Brands: Driescher y Wittjohann, S.A. DRIWISA DW


 Press Releases

  • (Oct 02, 2021)

    General Features

    Applications

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    Grounding switches on air DRIWISA® are used in medium voltage systems from 7.2 kV up to 38 kV. Installed inside the metal enclosed substations or medium voltage metal enclosed switchgear for indoor or outdoor service.

    • Safely and securely grounding connection of branch circuits, capacitors and transformers.

    • Inspection or maintenance switches for metal enclosed substations or medium voltage metal enclosed

      switchgear maintenance.

    • Grounding the accumulated electrical charges or residuals of capacitors, transformers, inductors,

      underground cables and long lines previously disconnected from the network.

      Characteristics

    • Opening and closing operation in tripolar group.

    • Manual opening and closing operation with quick main mechanism.

      Advantages

    • Easy installation.

    • Vertical, horizontal or inverted mounting.

    • Safe and simple operation.

    • Minimum maintenance.

    Visit us www.driwisa.com

  • General Features

    High voltage current limiting fuses DRIWISA® type DRS & DRK are used in medium voltage systems from 4.16 kV up to 38 kV, fulfilling the followings applications:

    • Independent protection elements when the fuses are installed in single pole and three pole fuse holders on air DRIWISA type SP and DSP.

    • Combinations protections elements in SF6 and air switches.

    • Transformers, gears and underground cables protection.

    • Potential transformers and capacitors banks protections (type DRK).

      High voltage current limiting fuses DRIWISA® type DRS & DRK complies with the following requirements:

    • Back-up fuses complain with the standards IEC 60282-1 y NMX-J-149-1.

    • Fuses with a striker pin mechanism to operate other protection devices (DRS fuses).

    • Fuses must not expel gases or any incandescent material that damage other equipment during the fuse

      operation (short circuit).

    • In outdoors facilities the fuses shall be safeguarded against moisture.

      High voltage current limiting fuses DRIWISA® type DRS & DRK can be installed in medium voltage indoor and outdoor compact substation and in air lines using DRIWISA fuse holders with outdoor fuses.

    Visit us www.driwisa.com 

  • General Features

    Non-load isolator switches DRIWISA® are used in medium voltage systems from 7.2 kV up to 38 kV. Installed inside the metal enclosed substations or medium voltage metal enclosed switchgear for indoor or outdoor service.

    Applications

    • Sectionalize and isolate lines or cables, metal enclosed substations, bars and the power supply.

    • Sectionalize and isolate ring networks.

    • Connect or disconnect transformers.

      Characteristics

    • Opening and closing operation in tripolar group.

    • Quick main and quick break mechanism, without depending the operator ability.

    • Fuse operation (load break disconnector switches with fuse holder).

      Advantages

    • Easy installation.

    • Vertical, horizontal or inverted mounting.

    • Safe and simple operation.

    • Minimum maintenance.

    Visit us www.driwisa.com

  • (Oct 02, 2021)

    General Features

    Load break switches DRIWISA® are used in medium voltage systems from 7.2 kV up to 38 kV. Installed inside the metal enclosed substations or medium voltage metal enclosed switchgear for indoor or outdoor service.

    Applications

    • Sectionalize and isolate lines or cables, metal enclosed substations, bars and the power supply.

    • Sectionalize and isolate ring networks.

    • Connect or disconnect transformers.

      Characteristics

    • Opening and closing operation in tripolar group.

    • Quick main and quick break mechanism, without depending the operator ability.

    • Fuse operation (load break disconnector switches with fuse holder).

      Advantages

    • Easy installation.

    • Vertical, horizontal or inverted mounting.

    • Safe and simple operation.

    • Minimum maintenance.

    Visit us www.driwisa.com

  • Welcome to the DRIWISA Organization !!

    Driescher y Wittjohann (DW) is a Mexican company with more than 50 years in the market and is widely recognized for the manufacture of load break switches, with and without load, and their corresponding fuses.

    Throughout this time, DW has offered the Mexican and export markets complete electrical arrangement solutions: medium voltage substations, transformers, distribution boards, capacitor banks, a full range of accessories and technical services;  advising from the origin of the project to the start-up, thus consolidating itself as an organization of integral solutions that is committed to the sustained growth of its clients.  All under a computerized system from start to finish, with strict order and discipline.

    DW's technology, designs and products are manufactured under international standards such as ANSI and IEC, which has allowed us to have a solid acceptance in the markets of Mexico, Central and South America, Canada and the United States.

    The philosophy of DW is to provide timely electrical safety to our client’s infrastructure and equipment, by manufacturing reliable products, timely delivery times and accompanying our customers at all times, offering the maximum possible added value. 

    We are not suppliers of our clients, we are partners in the attention and solution to the problems of the clients, of our clients.

    We invite you to give us the opportunity to collaborate on your projects, identifying those areas of joint collaboration as business partners.

    Visit our website www.driwisa.com for more information about our products.

     Connecting and protecting industries on electricity!

    Visist us www.driwisa.com


 Additional Information

Exhibition Type
2021 Virtual Booth

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NECA 2021 Nashville
Sun. Oct. 10 - Tues. Oct. 12, 2021 
Music City Convention Center - Nashville

Show Hours:
Sunday, Oct. 10:  11:30am - 5:00pm
Monday, Oct. 11:  11:30am - 4:00pm
Tuesday, Oct. 12:  9:00am - 1:00pm

Virtual Show Hours:
Mon. Oct. 11: 11:30am - 4:30pm CT
Tues. Oct. 12: 11:30am - 4:30pm
Wed. Oct. 13: 9:00am - 1:00pm

Future Dates
2022: Austin: Oct. 15 - 18
2023: Philadelphia: Sept. 30 - Oct. 3
2024: San Diego: Sept.28 - Oct. 1
2025: Chicago: Sept. 12-14