H2-FV-27-A flender przekładnie Helical gear Reduction Box H2

Flender/Flender Gear Units/Helical gear Reduction Box H2

bottom cable chamber shall be left free comple tely isolated from the vertical busbars. Each vertical panel shall be provided wit separate cable alley. Module door & cable alley sha ll open in opposite directions. Busbars shall have same cross section throughout the length. Ra ting of the neutral busbar shall be 5% of the main busbar. Earth bus bar shall run in bottom chamber throughout the length of the panel. Shall have MCCB triple pole, air break type with independent manual quick make and quick break type. MCCB shall be capable of breaking rated current at .3 pf at rated voltage. MCCB shall withstand the fault current envisaged for 4V system. Incomers shall have analogue type of Voltmeter & Ammeter with elector switches. All outgoing feeders shall have analogue type Ammeter with sele ctor switches. All feeders shall have ON/OFF/TRIP lamps. Incomers of board and outgoing shall be MCCBs. However in case of incomer of 6 Amps or above, ACB shall be used. 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT ______________________________________________________________________________________________ TS NO.: MEC//2UU/0/2/0 Electrical system Chapter-0.0 2, MECON Limited, All Right Reserved Pag 1 of 2 All MCCBs, ACBs, shall be microprocessor based, 5KA for 1 seco nd with LSIG releases. In case, integral ear th fault protection is not avail able with MCCB for earth fault protection, CBCT & relay shall be provided. Operating handles of MCCBs shall be interlocked with module doo with defeat & padlock facilities. Minimum module height shall be 3mm. Each incomer shall be provided with minimum rating of 1VA, 4V/2V control transformer with auto changer for control power supply for indication lamps etc. DP MCBs shall be used in indication circuits. Maximum operating height 1mm nd minimum operati