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Production of electrical switchboards
FREYA ENGINEERING Ltd. has a manufacturing and assembling unit for electrical switchboards and non-standard distribution boxes which are based either on a proposed by the client project or are completely executed by the company – from design to assembly, manufacture and installation.
The main requirement for the electrical switchboards is ensuring safe operation and risk avoidance of injuries or electric shocks to people, fire outbreaks in buildings and facilities due to electrical malfunctions and causes.
Electrical switchboards manufactured by FREYA ENGINEERING, Ltd.
Manufactured Switchboard Types:
Main and distribution switchboards for production purposes.
Distribution cabinets for low voltage cable networks /LV/.
Control cabinets and control switchboards for technological equipment, respectively belt conveyors, redlers, vibroconveyors, elevators, fans, mills, etc.
Street lighting control switchboards;
Automation switchboards (Instrumentation and Automation);
Electrical switchboards for high temperature/high pressure environment – applicable in the petroleum and petroleum products processing;
Industrial electrical switchboards in compliance with customer requirements;
The company provides an expert team for installation, commissioning and parameterization of the automation systems. The control built into the switchboards is with programmable logic controllers (PLC) or contactor-relay control.
Main electrical switchboards
Design and production of individual electrical switchboards ordered or customized by the client – main and end distribution switchboards for residential and public buildings, and construction sites.
We integrate in the switchboards:
Special switchgear – induction motor protection relays, contact thermostats, contact level meters, inductive and capacitive sensors, minimum voltage, maximum voltage, maximum current relays and other.
Cathodic arresters
- Network analyzers
Relay – contactor logic
- Programmable logic controllers (PLC)
- Inverters and phase regulators
- Inverters and phase regulators
The main function of the electrical switchboards is to provide uninterrupted electrical power supply and the possibility of extensions, improvements and reconstruction of existing electrical installations.
For easy maintenance, the boards are installed and secured with safe access which provides protection against direct contact of live parts under voltage and appropriate construction, facilitating the work of the relevant personnel. To meet these requirements, the boards are manufactured in accordance with the European standards – Bulgarian State Standard BSS EN 60439-1. A compulsory stage of testing of each assembled electrical panel is required and performed.
The tests are type tests and control tests.
Permissible overheating check.
Electrical insulation strength check.
Short-circuit proof check.
Protection circuit effectiveness check.
Check of the insulation distances through air and the insulation distances on the insulation surface.
Mechanical operation check.
Degree of protection check.
Once an electrical board is installed, control tests are conducted. The control tests of the boards are designed to detect deviations from the required and prescribed materials and technology.
Inspection of the electrical board, including inspection of the assembly, the wiring installation and connection, and test of the electrical operation.
Electrical insulation strength test.
Check of the protection measures and the uninterrupted electrical protection circuit.
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1463, Sofia, Bulgaria,
12 Hristo Stanchev, 1fl, Office 2
+ 359 889 200 688
office@freyaeng.eu