GE AKR-75 Series Скачать руководство пользователя | Manualshive

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Содержание AKR-75 Series

Страница 1: ...LTAGE POWER CIRCUIT BREAKERS AKR sA l OO Manually operated AKD S type AKR 5 100 Manually operated AKD type i T AKR 5B 75 Electrically operated substructure type i t w d r 1i r t a 1l Lu Y B tr s X i r...

Страница 2: ...14 MAINTENANCE lnspection 14 Lubrication 14 Reference Publications 15 CurrentRatingsforAuxiliaryDevices 15 INTERCHANGEABILITY OF DRAWOUT BREAKERS 16 E Type Rejection 16 PHOTOGRAPHS AKR 2 75 E 6 AKR 5...

Страница 3: ...identifies the trip device type as follows 2 EC tB DC onty 4 EcS s Sdi 50 60 Hertz only N Non automatic ln addition all non automatic 250 VDc breaker types carry the suffix letter D after their frame...

Страница 4: ...ence for operation and maintenance The breaker should be easily accessible to the operator and there should be sufficient space available for maintenance work MOUNTING TYPES AKR 75 and 100 breakers ar...

Страница 5: ...To do this insert the rack ing handle and rotate it fully clockwise t lf a compartment contains a keylock it will not ac cept the AKR 751100 replacement breakers as re ceived The AKR drawout mechanis...

Страница 6: ...ounted on tne compartment wail Keeps rne breaker trip free during the outward tiavel from the TEST oosition 5 Before proceeding with subsequent operations to re_ move the breaker from the tray visuall...

Страница 7: ...lly pulled out from the DISCONNECTED to the WITHDRAWN position here the breaker is completely out of its compartment ready for re moval NOTE All electrically operated AKR 751100 breakers employ a spri...

Страница 8: ...d and are not present in existing compart ments originally furnished for non quick close type electrically operated AK 751 1 00 breakers Regard ess of whether this interlocking hardware is present in...

Страница 9: ...ottom flange of the breaker rests against the guides behind the dowel pins 6 Slowly lower and guide the breaker onto the tray so the holes in the rear flange fit over the two dowel pins When correctly...

Страница 10: ...rtment visually check the breaker s spring charge and close indicators to verify that the breaker is open and the springs are discharged 5 Remove the two g e inch hex head screws which fasten the brea...

Страница 11: ...el screen in front of the fuses This panel can S be opened to allow access to the fuses only when the FRO is in the WITHDRAWN oosition In all other oositions an inter ference angle attached to its lef...

Страница 12: ...54321 Lq loooooo 1234567a9rc Control connections to stationary breakers are made to a terminal board mounted on the breaker Figure 7 shows typical closing and tripping connections lf equipped with an...

Страница 13: ...tor through the G switch contacts see fig 9 The motor through the gear reduction output crank compresses lhe closing springs until they are fully charged As this fully charged position is reached mech...

Страница 14: ...moisture or other unfavorable conditions exist or if the vital nature of the load warrants it Always inspect the breaker after a short circuit current has been interrupted At the time of inspection th...

Страница 15: ...0 1 High Cunent Testing of AKR BreakerswithECS SST GEK 64455 TABLE 5 CURRENT RATINGS FOR AUXILIARY DEVICES Type Load or P F Voltage Interrupting Rating Nominal Range Auxiliary Switch Bell Alarm Switch...

Страница 16: ...atch and will not seat on the tray Becaus tthe B type drawoutmechanism is nearly identical to the AKD type all B elements include additionat means to rejectthemfrom AKD compa rtments e n iiiigger Orac...

Страница 17: ...AKER MOUNTING PINS AKR SUBSTRUCTURES Deeo Escutcheon coce T6t r AKD 6 T l 1 r Ir i u il 3200A F _il 3200A F__ t_ lr 4 cocre H H lt il I AKR 100 ttrt I TAKg4FCC 1Qt1lte g1 F ll oo F l l 25 rl Fig 10 Dr...

Страница 18: ...ion hardware on AKR 75 AKD type units to prevent insertion into B type substructures jis s is i t is REJECTION BRACKET _ INTERFERES WITH RAMP CAM ON SIDE WALL OF AKD COMPARTMENT Fig 1 2 Reiection mean...

Страница 19: ...CB AKR I OO 1 Breaker side plate 2 Bottom flange of side plate 3 Rejection plate 4 3 8 diam pin in drawout tray 5 V2 diam pin in drawout tray G Clearance hole in plate and flange 7 Breaker mounting bo...

Страница 20: ...T iON IDE PTATE AKR 7 5 t l zrz l I tue vrL q I F l L 14 l I_pz 1 J l PrNrN t tf SLIDE r rz lHi I rv e J4 t9 91 I r oo l BREAKER MOUNTING PIN F l A qrii r rzk J I a l l E l z re l lT 41 G_ 20 Fig 14...

Страница 21: ...ro 600VAc AKR IOO 600VAc lz tzj i l l r I l l r rz eE lS SI tF LP1 Frtr l I th vIL q I l j1 l y v l9 l LP1 I l lr rz 9rr 32OOA FUSE ROLLOUT ELEMENT TAKs3FCC 4OOOA FUSE ROLLOUT ELEMENT TAKg4FCC zl l I...

Страница 22: ...ES AND PINS ADDED FOR E TYPE REJECTION BASIC REJECTION SYSTEM PER FIG 13 PLAN VIEW Fig 15 optionat E Type reiection hardware on AKR 75 100 code B type drawout breaker elements IT I JJ Y ul r c0 LL F z...

Страница 23: ...GEI 861518 RIGHT SIDE PLATE OF BREAKER MOUNTING PINS 4 it r L RIGHT SLIDE BAIL FRONT l t Fig 16 optional E Type rejection system on AKR 75 100 Gode c drawout breaker elements 23...

Страница 24: ...Distribution Equipment Division o General Electric Company Plainville Connecticut 06062 GEitERAT ETECTRtC...

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