Go to... PLS Home/PLS PLS – Pole Mounted Switch Applications Power supply companies. Power stations. Cement industry. Automotive industry. Iron and steel works. Windmills. Mining industry. Textile, paper and food industries. Chemical industry. Petroleum industry. Pipeline installations. Offshore installations. Electrochemical plants. Petrochemical plants. Shipbuilding industry. Diesel power plants. Emergency power supply installations. Lignite open-castmines. Traction power supply systems. Features TPR6 is a complete ring main unit range suitable for all the switching operations in 40,5kV, secondary distribution network. Operating safely in a distribution network requires different switching points to obtain maximum service continuity in case of fault on the network. Construction Characteristics TPR6 is a completely “sealed for life” system with a stainless steel tank containing all live parts and switching devices. A hermetically sealed steel tank from the outside environment ensures a high level of reliability as well as personal safety. The structure can withstand the electrodynamics stresses during the operation. The operating mechanism, movable mimic and voltage signaling lamps are positioned in the front panel. Switches are operated by means of spring-operated mechanisms. Movable mimic gives the position of the switch whereas the voltage signaling lamp indicates the voltages. Fuses and cable compartment are easily accessible through the front door which is interlocked with the earth switch. Should the low voltage auxiliary compartment be present, it is situated above the ring main unit. Flexibility Compact Safety Easy Operation Easy Installation Reduced Maintenance Up to IAC A-FL 20kA 1s MTBF = 6327 years Systematic tests – Measurement of the resistance of the main circuits. – Opening and closing speed measurement on swich, earth switch and circuit-breaker. – Operating torque measurement. – Filling pressure and tightness test. – Dielectric test. – Conformity with drawings and diagrams. – Electrical function test on auxiliary circuits. Company Profile Product Operations Sequences News Contact Us Copyright © 2021 SEL S.p.A. | All Rights Reserved | Via Amendola - 51035 - Lamporecchio (PT) Italy R.E.A. 116356 | P.I. 01069330478 | Cap.Soc. € 500.000,00 - Design by SEL S.p.A. | Privacy Policy & Cookie We use cookies to make some areas of the site work. If you’re ok with that, just continue. If you want to find out more, or are seeing this message repeatedly, click read more.OkRead more