STI Company is an Italy based group company of MEL Power Systems. STI Company, with over 20 years’ experience in E.P.C. (Engineering, Procurement & Construction) services, is specialized in design, implementation and maintenance of electrical switchboards, technological plants, automation systems, renewable & energy efficiency projects.
STI Company provide to the market integrated solutions for energy distribution, automation and management, developed in a safety, reliable and efficient way thanks to attention in every step of the whole implementation process. Only in this way it’s possible to have total control of the entire process and ensure the best results through the implementation of our technical solutions.
STI Company is recognized as “Global Expert in Energy Management” thanks to its competencies and skills, expertise and experience; is a masterpiece for design, construction and management of advanced technological solutions.

MEcubE3 Low – Voltage Main Distribution Boards (MDB) cover a wide range of switchboards suited for the demanding needs of various industries such as Oil & Gas, Life Science, Chemicals, Power Plants, Data Centers as well as Residential and Commercial applications.

MEcubE3 Low – Voltage Main Distribution Boards (MDB) are engineered and manufactured in accordance to IEC 61439 with normal ratings tested up to 6300A 100kA 690V, with installed feeder sections and bus-coupler arrangements also at your disposal. Alongside that, Bus duct arrangements to transformers or interval panel sections are also fabricated.

• Freedom of choice in the selection of electrical equipment with regard to type and manufacturer of breakers for fixed, and withdrawable versions offering a degree of separation up to Form 4b
• Robust, modular and compact construction with Ingress Protection class to IEC 529: IP 30 to 54
• Busbar Design available in Copper & Aluminium sourced from Oriental Copper & Hindalco respectively
• Option of RAL 7032 colors finish or client’s choice of finish
• Type Tested Assembly to IEC 61439
• Outgoing feeders are available in fully withdrawable, plug-in or fixed versions with a flexibility of modification /augmentation at any stage in the ordering process as well at site
• Rated frequency 50/60 Hz
• Rated current up to 6300A
• Rated voltage 690VAC
• Rated short time withstand current: Up to 100kA
• Rated impulse withstand current: Up to 220kA
• Rated insulation voltage 1000V

mecube

MEL Power Systems manufactures a range of quality motor control center (MCC) panels under the MEcubE3 brand, the equipment is made of Premium grade components to ensure optimum and reliable performance. Marine Electricals manufactures a range of quality motor control center (MCC) panels under the MEcubE3 brand, the equipment is made of Premium grade components to ensure optimum and reliable performance. We have designed and fabricated these systems using advanced technologies and modular construction with flexible bus designs. This provides the system with easy construction, installation, and operability. Different configuration of starters can be designed, such as the automatic star delta, the direction-liner, the soft starter, variable frequency drives and others.

• Having one of the largest installations of IMCC ( Intelligent Motor Control Centers) we have the expertise to integrate switchgears operating under any protocol to communicate onto any make of DCS
• Freedom of choice in the selection of electrical equipment with regard to type and manufacturer of breakers for fixed, and withdrawable versions offering a degree of separation up to Form 4b
• Robust, modular and compact construction with Ingress Protection class to IEC 529: IP 30 to 54
• Busbar Design available in Copper & Aluminium sourced from Oriental Copper & Hindalco respectively
• Option of RAL 7032 colors finish or clients choice of finish
• Type Tested Assembly to IEC 61439
• Cable entry from the top, bottom or side of the panel
• Both front and rear side accessibility option with provision of double front contraction provided
• DOL, Star-Delta, Soft Starter & VFD
• Ensured high personnel safety

MEcubE3’s range of APFC panels that provides a reliable solution for elimination of penalties and cost reduction in electricity bills. Manufactured to be used in the AC power distribution system, these panels increase power while reducing the circuit loss, improving the output of the transformer in order to guarantee an economically orientated motor. MEcubE3’s range of APFC panels that provides a reliable solution for elimination of penalties and cost reduction in electricity bills. Manufactured to be used in the AC power distribution system, these panels increase power while reducing the circuit loss, improving the output of the transformer in order to guarantee an economically orientated motor.

• Robust, modular and compact construction with Ingress Protection class to IEC 529: IP 30 to 42
• Busbar Design available in Copper & Aluminium sourced from Oriental Copper & Hindalco respectively
• Can be designed with current limiting contractors / Thyristorised based capacitor switching
• Both front and rear accessibility option with top and bottom cable entry.

Synchronization panels are mainly designed and used to meet power system requirements. These panels function both manually and with an automatic synchronizing function for two or more generators or breakers. They are widely used in synchronizing generators and offering multiplex solutions. Our high quality range of DG synchronizing panels is available with capacities of connected generators up to 10000 A, and are fabricated by our engineers using premium quality electrical components. Synchronization panels are mainly designed and used to meet power system requirements. These panels function both manually and with an automatic synchronizing function for two or more generators or breakers. They are widely used in synchronizing generators and offering multiplex solutions. Our high quality range of DG synchronizing panels is available with capacities of connected generators up to 10000 A, and are fabricated by our engineers using premium quality electrical components.

• Peak Shaving Operation
• Standby Operation
• AMF (Automatic Mains Failure) Operation
• Cogeneration (CHP) Isolated & Main Parallel Operation Load Sharing and Load Dependent Start / Stop for multiple Gensets
• Soft Loading
• Energy Import & Export Control
• Programmable Operational Sequence