B2SH-12-C aper machines all types Pulper drives on reques Bevel-helical gear Reduction Box B2

Flender/Flender Gear Units/Bevel-helical gear Reduction Box B2

lectric power by mechanical me ans shall be provided. Trip free feature for all mean of closing. Anti pumping featur to be provided Non-reset type operation counter to be provided for each breake . Mechanical indication sha ll be provided to show: ) Breaker ON & OFF ii) Closing spring charged & discharged. iii) Service and test position 1.3 Drawout Features Distinct positions viz SERVICE, TEST and ISOLATED. Service & te st position shall be inside the pane with VCB door closed. Latching facility for 2 positions inside the panel with door closed Provision to move the breaker from one position to another thro ugh detachable device from outside wit hout opening the door. Power connections - Self-aligning, plug-in type, spring loaded contacts between silver plated copper and silver plated copper. Control connections - plug socket type mechanically coded to prevent wrong insertion; continuous rating 1 minimum. Provision for lockin of control plug to avoid looseness during opera tion shall be considered. 1.4 Safety Interlocks Breaker cannot be closed in any in termediate position other tha the 2 fixed positions within the panel. With the breaker closed, it ca nnot be moved from any of the position to another. Rack in / out of circuit breaker from test to service position and vice versa shall be allowed only with door closed. Door nterlock shall have defeat feature. It shall not be possible to open the circuit breaker enclosure when the breaker is ON or to have access to any part of the draw out assembly which is live when the circuit breaker is the service position. Unless control connec tions are engaged ) Door cannot be closed 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