The demand for low voltage switchboard is high, and every customer has their unique requirements. We offer main and distribution switchboards as well as solutions suitable for everything from heavy industries to commercial operations, service switchgear, and distribution centers.
The need for low voltage switchboard can be highly customer-specific, which is why we have developed a wide variety of alternative setups. What characterizes all of them is modern technology and high flexibility.
The low voltage switchboards is of exceptionally high quality. They are tested according to IEC/EN 61439 standards. Upon request, we also perform additional personal and operational safety tests.
We work with a modular design, allowing for great freedom in the selection of electrical components. Additionally, there is significant flexibility in terms of width, height, and depth, meaning the switchboard can be fully customized to fit the installation site.
Our low voltage switchboard comes in a variety of proven designs, offering solutions for all types of installations.
Our modular and well-documented low voltage switchboard CMS is based on Cubic's switchboard system and is offered in various solutions to meet all conceivable needs. Here are some examples:
Depending on the requirements, we can offer several different solutions based on the modular system, such as:
Full freedom in the selection of electrical components and size adjustments to fit the installation site.
Designed and tested with a focus on personal and operational safety.
The system is tested and well documented according to standard IEC 61439.
System 225, 800, 2 000 and 7 000
TN, TT and IT
Form 1, 2a, 2b, 3a, 3b, 4a, 4b and form type 1–7
According to IEC/EN 61439-2
< IP54
< 6 300 A
< 120 kA
< 264 kA
1 000 V AC
< 1 000 V, 50 Hz
< 630 A
Icc < 120 kA
< 3,5 kV
EMC environment A and B
2 G in the frequency range 2.5–500 Hz in a three-way rock test
30 G for 12.5 ms in six directions
Earthquake test performed with biaxial horizontal and vertical multi-frequency motions.
IEC/TR 61641 and AS/NZS 3439.1
Class C2 high, according to ISO 12944
The system consists of Cubic's standard components tested as standard to a short-circuit level corresponding to a rated time current of up to 120 kA 1s and a rated impulse current of max. 264 kA.
The system is available in any division from form 1 to 4, and thus optimal personal and operational safety fully in accordance with IEC/EN 61439-1 and the customer's wishes. After installation and commissioning of the switchgear, it is possible to carry out a visual inspection and thermography of the rail connections.
A simpler version of removable groups. A complete group can extended or replaced with the LV switchboard in operation, without power/voltage interruption. The group is connected to the touch-protected rail system. The outgoing cable is connected directly to the switch.
The group is replaced simply, with some disassembly. The entire insert can then be pulled out.
The system's pull-out groups, also called draw-outs, are a system where electrical components are mounted in exchangeable cassettes that can be changed without disconnection from the switchboard. Retractable groups are used when electrical energy is to be distributed with the highest possible personal and operational safety.
Control, auxiliary and measuring circuits are transmitted via a multi-pole connector on the back of the cassette. The cassette can be moved to operating, test and disconnected mode. Regardless of the position on the cassette, the outgoing wires of the group are maintained connected in the switchgear, do not need to be disconnected.
Fixed groups are the simplest variant of outgoing groups. Reconstruction or replacement of a group takes place with the low-voltage switchboard in a de-energized state.
The groups can be equipped with fuse load switches or MCCB circuit breakers in a fixed version or in a plug-in socket. Plug-in breakers are used if you want a visible breaking point or if you want to change the breaker or supplement at a later stage without de-energizing the switchboard.
With Holtab-CMS, any division from FORM 1 to 4 is obtained, and thus optimal personal and operational safety completely in accordance with IEC/EN 61439 and the customer's wishes. After installation and commissioning of the low-voltage switchboard, it is possible to carry out a visual inspection and thermography of the rail connections.
CUBIC places importance on both operational and personal safety and therefore continuously performs additional tests that the market demands, such as earthquake, shock and arc tests. CUBIC's products are tested and/or type-approved by the world's most recognized certification institute.
Many customers today demand refined solutions in addition to pure power distribution. We therefore offer functions such as energy measurement of outgoing groups, network analysis, earth fault monitoring, alarm management, arc monitors and remote control via a control system node or Bus solution. With today's modern circuit breakers, multi-instruments and relay protection, the opportunity to easily and cheaply get a complete overview of your electrical installation wherever you are via web-based functions is also expanded.
With over 50 years of experience in delivering power solutions, Holtab has gained a prominent role in the industry. Not least when it comes to tailor-made products and solutions. “Working customer-specifically requires a high level of commitment and knowledge,” says Ola Hedqvist, Sales Engineer.
Holtab had identified a gap in its product range as regards switchgear for the construction and industry segment. They contacted a former business partner and ran an innovative development project which ultimately led to market-adapted service switchgear called HMSI.
When successful racing team Cyan Racing built new premises, they also made sure to boost the capacity of their engine tests.
