Medium-Voltage Power Distribution & Control Systems

Improve reliability, increase efficiency and enhance safety with a broad portfolio of medium-voltage electrical equipment that distributes, monitors and manages power throughout your facility or operation.

Controls and relays

Our highly configurable recloser, capacitor bank and voltage regulator controls and switchgear relays provide reliable automation and integration throughout the power distribution system.


Bussmann series fuses play a major role in industrial or commercial facilities by providing reliable, maximum protection to power systems. Their physical size or rejection features prevent replacing a fuse with one from another fuse class. This helps ensure the correct replacement fuse is always installed and the voltage and interrupting ratings remain the same.

Medium-voltage cable accessories

Our Cooper Power series insulated connector product line provides maximum flexibility and functionality for underground high-voltage distribution systems. The connector system provides full insulated and grounded devices for splicing and connecting underground cables to equipment and establishing multiple junction points. These products provide a high level of safety and allows for easy disconnecting and grounding of cables for equipment maintenance or change out.

Medium Voltage Secondary RMU

Medium Voltage Secondary RMUs are our series of outdoor power ring main units (RMU) for medium voltage lines on secondary power distribution systems. This series of RMU includes solid RMU and gas RMU, and is fully capable of assisting medium voltage power grid users to efficiently monitor and control the primary power distribution system.

Overhead switches and sectionalizers

We offer Cooper Power series recloser and regulator bypass switches and three-phase overhead switches for general purpose, distribution automation and distribution switching applications.

Power capacitors

Our Cooper Power series power capacitor products are designed for worldwide utility and industrial applications for system voltages from 2.4 kV through EHV. We produce capacitor subsystems for shunt, series, HVDC, SVC and filtering applications throughout the world.


Based on the engineering innovations, high-tech material R&D, new product development, technological innovations, research trials, etc., our capacitors provide reactive power compensation for high-voltage power distribution system. This series of capacitors offers powerful product solutions and research support for HVDC, HV series compensation, SVC, HV harmonic filters, and other compensation applications.

Medium-voltage switchgear

Our medium-voltage switchgear provides centralized control and protection of medium-voltage power equipment and circuits in industrial, commercial, and utility installations involving generators, motors, feeder circuits, and transmission and distribution lines.

Vacuum Circuit breakers

W-VACi Series Vacuum Circuit Breakers are indoor vacuum circuit breakers that use solid insulation. This series of circuit breakers is made for the global market with rigorous IEC standards to provide reliable control and protection of power transmission and distribution systems.

Medium Voltage Vacuum Contactor

SL series medium voltage vacuum contactors are alternating current contactors developed for power distribution equipment up to 12 kV at 400 amp. They come in both fixed and handcart designs and are compatible with all of Eaton’s switchgear assemblies. These contactors are ideal for full or reduced voltage of squirrel-cage induction motors, wound-rotor motors and synchronous motors and for power supply and capacitor switching. They are especially suitable for heavy-load applications and harsh environments such as in mining, paper-making, HVAC, petrochemical and automotive.