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Switchgear

Many of us just throw the light switch on and there is light! Electricity has become such a convenient and necessary part of our lives. However, many of us never even give a second thought as to what goes into electrical distribution. Although electricity is an important part of our lives it can also be hazardous. It is important that electricity is distributed in a safe and secure manner. Accidents occur due to a lack of safety at different power distribution units. Several handling hazards are put in place to avoid a deadly outcome. One of those handling hazards is called switchgear.

Commercial Industrial Electrical Switchgear

While there are many safety devices and mechanisms that exist to help maintain security levels at all distribution and substations, switchgear is one of the most popular. Due to the various functions and features of switchgears listed below, we begin to understand why it is the chosen safeguard.

  • Switchgears provide ample segmentation of the MV (medium voltage) system. While industrial work is being performed on electrical cables and power stations, switchgears reduce the extent of power outages.
  • Switchgears help in distributing and carrying the load and overloads of different electrical connectors during maintenance and service.
  • They also help in clearing and identifying types of faults and connection failures. This minimizes damages and helps to avoid hazardous conditions.

At Portman Electric we have the experience and knowledge as electrical contractors to install, maintain and repair switchgears. We focus our usage of switchgears to two main types; Metal enclosed switchgear and metal clad switchgear. We have found their usage in commercial and residential electrical connections necessary. However, in Industrial electrical connections we have found ultimate success!

Metal Clad Switchgear:

  • Requires front and rear access to the equipment
  • Requires all live parts to be housed in separate designated compartments
  • Requires shutters in order to function
  • Requires all types of interrupting and switching devices to be mounted on the unit
  • Compartments are adjacent to each other allowing easier access

For industrial application, the metal clad switchgear is ideal. It is commonly used to protect switching transformers, motors, generators, capacitors, buses, general feed lines and circuit breakers. Due to its weatherproof nature, it is ideal for outdoor installation. Industrial plants or factories have found using this type of switchgear helps better organize distribution of power to the machines employed in an industrial setting.

Metal enclosed switchgear

  • Front and rear access is optional
  • Separate compartmentalization is not required
  • Compartments are adjacent to each other and are easily accessible
  • Shutters are not required
  • Fixed mounting is not necessary, allowing for different interrupting devices

Usually found indoors as it used for medium to low voltage applications. Ideal for residential or commercial use as metal enclosed switchgear provides an added degree of protection to personnel or residents that are in close proximity to the equipment. Should an internal arc occur the extra protection is there.

"After much online searching I asked for an in-house survey by Kohler and Generac generators from local providers. Dustin from Portman won my business. He quickly assessed what size generator was required for a whole house solution. By putting the air-conditioner on a lower priority (the system would shut it down if demand went too high), I got by with a smaller unit. This, also, allowed me to have all the electrical switching done at the meter and not at my inside panel. The contract was signed and an install date selected. As is normal with me I had a few more questions. Dustin quickly answered them all by phone or email. The installation day arrived along with brutally cold weather conditions (5-10 F). They showed up around 9 AM and worked without a break till the job was done around 3 PM. The installation crew (Adam, John and Dennis) were knowledgeable, friendly and took extra precaution to prevent damage to my home."


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