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Fixed circuit breaker. All M-PACT fixed pattern air circuit breakers incorporate a stored energy mechanism. The spring can be charged either manually. Independent manual or stored energy type manual or electrically operated Unique 'Maintenance position' in drawout type ACBs to facilitate maintenance &. with independent manual or stored energy type manual or electrically operated mechanism. racking out the ACB from “Service” position. 12.4.2 CS and TC connection check . Operating instructions / Operation in service . 14.2.9.11 Protectiona against reverse active power "RP" .CS and TC connection check . Operating instructions / Operation in service . . . . . 46 Reverse active power protection “RP” (AVAILABLE ONLY. USERS' Manual With Maintenance Electrical Life = Mechanical Life. Up to 690V AC ACB. Dimensions. Ph-N. Ph-Ph. Pitch no. of cycles cycles/hour. For L & T ACB rated CT secondary current is 8.75 Amp. Calculate the test current Breaking and protection devices 05 POWER GUIDE 2009 / BOOK 05 INTRO The Proper installation and maintenance according to the instructions given in this manual will ensure that the breakers render long years of trouble-free This instruction manual applies only to HG-Series air circuit breakers (ACB) regarding installation and maintenance procedures. Proper installation and maintenance according to the instructions given in this manual will ensure that the breakers render long years of trouble-free