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Low-Voltage Switchgear Panels – Single-Front Access (90 and 70 Series)

Low-Voltage Switchgear Panels – Single-Front Access (90 and 70 Series)

Low-Voltage Switchgear Panels – Single-Front Access (90 and 70 Series), also known as Single-front Maintenance Switchgear Cubicles, are electrical distribution systems designed for the reception, distribution, and protection of electrical power. These assemblies also protect electrical feeders against overloads and short circuits.

They are designed for operation in three-phase AC networks with a solidly grounded neutral, with a rated voltage of up to 660 V and a frequency of 50 Hz.

Low-Voltage Switchgear Panels – Single-Front Access (90 and 70 Series) are widely used in residential, commercial, and industrial buildings, transformer substations, electrical switchrooms, and other facilities where the reception, distribution, and metering of electrical energy are required.

Advantages of the Panels

Despite the availability of more modern alternatives, Single-front Maintenance Switchgear Cubicles remain widely used thanks to their key advantages:

  • Reliability — robust construction, high-quality components, and a long service life.
  • Safety — protection against electric shock, overloads, short circuits, and fire hazards.
  • Versatility — available in a wide range of sizes, compatible with various switching devices, and suitable for different types of facilities.
  • Cost-effectiveness — competitive pricing, straightforward installation, and easy maintenance.

In addition, Type 90 (0.4 kV) and Type 70 Low-Voltage Switchgear Panels are available in multiple configurations, allowing the optimal solution to be selected for a wide variety of technical requirements and installation environments.

 

Types of Low-Voltage Switchgear Panels

Depending on its application, a Low-Voltage Switchgear Panels may be configured as:

  • Incoming panel — designed to receive electrical power from the incoming supply source.
  • Distribution panel — distributes electrical power among outgoing circuits and consumers.
  • Incoming and distribution panel — combines the functions of power reception and distribution.
  • Automatic Transfer Switch (ATS) panel — ensures an uninterrupted power supply by automatically switching to a backup source.
  • Enclosed switchgear assembly — provides personnel protection against electric shock and, through its optimized design, delivers high current-carrying capacity with minimal energy losses.
  • Open switchgear assembly — offers a more compact design and quick access to all components, making maintenance and replacement work more convenient.

These systems are also available in four installation categories and can be equipped with multiple levels of protection against overvoltage, undervoltage, short circuits, unauthorized access, and environmental influences.

For example, the Single-front Maintenance Switchgear Cubicle is often manufactured as a single-sided sandwich panel, providing a lightweight structure, excellent thermal insulation, and high resistance to external conditions.

How to Choose Type 70 / Type 90 Low-Voltage Switchgear Panels

Selecting the right enclosed or open switchgear assembly depends on the technical requirements of your facility. For example, if you need a compact solution with a high level of safety, a wall-mounted distribution switchboard with a mounting panel is often the optimal choice.

You can order the panel either as a fully factory-assembled switchboard or as a component kit for on-site assembly. Type 70 switchboard cabinets are available in both floor-standing and wall-mounted versions and are manufactured to the specified dimensions.

The end panel is also produced according to the individual project requirements and applicable technical standards. It may be perforated to provide natural ventilation.

Each Type 70 or Type 90 switchboard cubicle is equipped with electrical apparatus selected for its intended application and project specifications.

Choosing the right electrical switchgear can be challenging, so consulting an experienced specialist is the best way to ensure the optimal solution for your project. Nika Energy is not only one of the leading manufacturers of power distribution equipment in Ukraine, but also your technical partner throughout every stage of the project. Our engineers will explain all technical details, develop a solution tailored to your requirements, and provide ongoing technical support after manufacturing and commissioning. We deliver our equipment to Kyiv and throughout Ukraine.