• Pentagon Switchgear Private Limited

Vacuum Circuit Breaker

Pentagon Switchgear manufactures outdoor type porcelain clad Vacuum Circuit Breakers (PSGPC-36), which are structure mounted, easy to install for use in 36 kV systems. These breakers are of open terminal type with reliable and well proven vacuum interrupters in weather proof porcelain housing. Adequate phase clearances and heights have been provided to meet standard safety requirements. The three poles are mechanically ganged to a common operating mechanism. Suitable for direct connection to overhead supply lines, the operating mechanism is housed in a separate cubicle with manual/motorised spring charged mechanism. The design of this PCVCB incorporates a minimum number of moving parts and a simple assembly, which ensures a long electrical and mechanical service life. This breaker is designed to handle all the switching including rapid auto-reclosing. More over quite and low vibration operation and high temperature sustainability enable the breaker to be used in hazardous conditions. Against customers requirement the breaker can be supplied with extended structure for mounting current transformers and potential transformers, terminal connectors and castle key interlock. Separate control and relay panel can be supplied as per customers’ requirement, indoor or outdoor installation. Features: type tested and conforms to latest IEC/IS standards; simple, compact and easy to operate; perfect harmony between vacuum interrupter and operating mechanism; high reliability and safety of operations; suitable for auto re-closing duty; hermitically sealed vacuum interrupter to protect contacts from oxidation and contamination; very minimal maintenance; totally restrike free; low noise level; and no fire hazard. Applications: control and protection of overhead lines, distribution transformers, motors, capacitor banks, power supply utilities, transformer and switching substations operated by automobile industries, rolling mills, iron and steel industry, textile, paper and food industries, etc.