ABB 41-661.2A Скачать руководство пользователя | Manualshive

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Courtesy of NationalSwitchgear.com

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Содержание 41-661.2A

Страница 1: ...d after the final reclosure the timing drum stops in the Lockout position and any further attempts at reclosure must be made by manual operation of the control switch However if the breaker re mains closed after any automatic reclosure or subsequently after manual reclosure the relay timing drum will advance to and stop at the Start position where the relay is in readiness for another cycle of aut...

Страница 2: ...r of the relay against a spring A micarta disc on the front end of the plunger actuates contacts Y5 and Y7 As the disc moves to the rear it releases the latch arm When released the latch arm is rotated counterclockwise by the tension of the moving contact spring of contact Y13 and a small helical spring This rota tion blocks the full reset when Y is de energized o Thus the Y unit has three positio...

Страница 3: ...I L 41 66L2A i I j Fig 1 Type RCL Reiay 3 Courtesy of NationalSwitchgear com ...

Страница 4: ...I L 41 661 2A Fig 2 Internal Schematic of the RCL Relay in Type FT21 Case 4 Courtesy of NationalSwitchgear com ...

Страница 5: ...I L 41 661 2A OFig 3 Cam and Y Unit Contact Positions 5 Courtesy of NationalSwitchgear com ...

Страница 6: ...t The relay is now ready for another reclosure as soon as contact 3 is closed by the 3 cam spring The drum will continue to rotate since the motor is energized through S2b and l contacts Second and Third Reelosures At 15 and 45 seconds the 3 contact closes to reclose the breaker After each reclose the Y unit is unlatched by the action of cam S 6 Lockout When the drum reaches the lockout position t...

Страница 7: ...with the relay for thick panel mounting The terminal stud may be easily removed or inserted by locking two nuts on the stud and then turning the proper nut with a wrench DRUM SPEED To change the drum speed loosen the clamp ing screw at the edge of the drum speed dial depress the push rod on the drum and rotate the motor and gear assembly to the desired speed position by pushing on one or more of t...

Страница 8: ...brasive material for cleaning contacts is not recommended because of the danger of embed ding small particles in the face of the soft silver and thus impairing the contact MOTOR LUBRICATION The motor bearing contains a supply of special lubricant sufficient for from three to five years service This lubricant does not congeal at low temperatures and permits satisfactory operation of the motor at am...

Страница 9: ...in o I O lO l i O UJ m UJ X J o a o o 0 10 o T l u 3 _Q in 4 _o OT T 3 _D i o X in Sxo t s X z K i z 3 Z o in o n J 1492B04 mmediate and Two Time Delay Reclosures r Coil Energized nent Fault Instantaneous Trip Lockout After First Reclosure 9 ...

Страница 10: ... X U N I T 101 CONTROL SWITCH 79 RCL RELAY SOLENOID 201 AUXILIARY RELAY FOR Y U N I T SUPERVISORY TRIP LOCKOUT RELAY 201X AUXILIARY RELAY PR PROTECTIVE RELAY r L 41 661 2A 3U r CM w ft fO o Qy P2 Hr oo x CM o m CM n u CM if s i 8 Nr CM CM X 1 LD LO CO Mi CO 10 oo K2 S n d PtVH 3c Mi PJrO 5 7 0 7 CD X X X X C CM in If 5 CO X 3 5 li ce CO E cr cc cc o o QC o LU 2 S 2 as xa o o o H I I I I 5 CM I D t...

Страница 11: ...ES _ 5 375 136 53 4 K0I6 397 250 _ 6 35 0 kl 03l I 03I 1 031 1 031 H 26 19 26 19 26 19 26 19 1 I 190 32 SCREW 375 1 344 SPACERS FOR 34 14 THIN PANELS 9 53 R PANEL CASE rA 5 16 18 SCREW FOR THICK PANELS fie 09 USE 5 16 18 STUDS INTERNAL EXTERNAL TOOTHED WASHERS 190 32 SCREW FOR THICK PANELS USE 190 32 STUDS 7 1 1 0 yl 25 4 f i l 3 5A 7 9 i 1 813 i 2 0 l 46 05 i 50 8 10V 2 4 6 8 I V v 516 13 11 H 03...

Страница 12: ...ose application because sensitive auxiliary relays in the breaker close circuit may stay picked up All possible contingencies which may arise during installation operation or maintenance and a details and variations of this equipment do not purport to be covered by these instructions If further informa tion is desired by purchaser regarding this particular installation operation of maintenance of ...

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