background image

IN-810.9

 

TYPE FP LOW VOLTAGE

POWER: CIRCUIT BREAKERS

and

FM 

 BREAKERS

JUNE, 

1971

CIRCUIT BREAKER

FM-25400

  P A C I F I C   E L E C T R I C   C O M P A N Y

POWER EQUIPMENT SYSTEMS DIVISION

Courtesy of NationalSwitchgear.com

Summary of Contents for FUSEMATIC FP25-600

Page 1: ...CIRCUIT BREAKER FM 25400 P A C I F I C E L E C T R I C C O M P A N Y POWER EQUIPMENT SYSTEMS DIVISION INSTRUCTION MANUAL for FUSEMATIC FP25 600 FP501600 FM25 600 FM50 1600 N FP 25 600 FUSEMATIC EDERA...

Page 2: ...1600 I N D E X PAGE G e n e r a l 3 Shipment Receiving Handling Storage _______________ 3 Inspection Installation 3 Maintenance 6 Accessories 7 Overcurrent Trip Devices 9 Wiring Diagram 11 Recommende...

Page 3: ...he Company in aiding the filing of the damage claim When unpacking make all items are removed from the box including packing list instruction book main tenance parts and hardware Report any shortage i...

Page 4: ...touch any of the breaker when the stored energy mechanism is charged close button on front Breaker will close Depress red trip button located in charging handle Breaker will open Recharge stored ener...

Page 5: ...ion rails should be free to in and check rail stops for tightness 4 Rail rollers should be free and well lubricated 5 Main stabs should be tight free of dust and dirt Lubricate with contact grease 6 C...

Page 6: ...re frequent inspections should be made for dirty corrosive or high use applications Reassemble following the reverse of operations and adjust per Figs 10 and 11 In most it is not to replace contacts b...

Page 7: ...mechanism when stored energy mech anism is slowly and that the trip shaft is free It should take no more than 22 inches of torque to trip the breaker GENERAL Make that current carrying parts secured...

Page 8: ...of all contacts can be see and inspected through the transparent dust The contacts may be changed from a b b to by removing the and inverting the contact bridge INTERRUPTING CAPACITY IN SINGLE CONTAC...

Page 9: ...E Open position The plunger s which has been released indicates which fuse s have blown They are reset manually after replacing the blown fuses by pulling the plunger s out as far as they will go and...

Page 10: ...he circuit breaker and be lubricated again It is possible to remove and replace a trip device in the field To Remove a Trip Device The trip units which contained in transparent plastic cases should be...

Page 11: ...rmitting the breaker to be tripped electrically when control power is switched to auxiliary stabs and 6B Motor cut off switch contact bb closes when spring discharges and when spring is fully charged...

Page 12: ...1151 9354 1152 9354 1151 0632 Mounting Ref 1100 6034 Mounting Ref Drawing 1100 6035 Mounting Ref Drawing Mounting Ref Description Moving arcing contacts Upper stud assembly Main Stationary contact as...

Reviews: