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Blockset Fixed

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Application Protection & Control of Power Distribution
Reference Standard IEC 61439-1& 2, 2011
Operational Voltage 690 V
Operational Current Up to 4000 A for Single Bus Bar-CU Upto 5200 A-AL for Double Bus Bar-CU
Phase/ Frequency 3 Phase/50 Hz
Short Time Rating 30/50/85 KA rms/sec for Single Bus Bar-CU 50 KA/65KA-AL rms/sec for Double Bus Bar-CU
Degree Of Protection IP-42/54
Max. Temp. Rise As per IEC 61439-1
Relative Humidity 95%
Material of Bus Bar Copper/Aluminium
Special Test Internal arc classified Seismic Compliance as per IEC 61641-V3
Designed & tested in accordance with IEC 62271-200/IS-3427.
Vacuum used as insulation and arc interruption medium.
Independent exhaust vents for all HT compartments.
Operationally safe and reliable in a wide range of ambient temperatures.
Live parts covered by automatic shutters when breaker is racked out.
Removable fuses mounted on the PT.
Apparatus customized as per requirement.
Closing spring charged by motor in less than 15 seconds
Electrical anti-pumping
Provision for manual recharging
Synchronization and fast auto-reclosure duty