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Summary of Contents for AKR

Page 1: ...turing MicroVersaTrip RMS 9 Programmer Type AKR Low Voltage Power Circuit Breakers TTcicWM wsw to BMS 9 Micro _ f artfT VersaT U P CKU STANiAHtOO StTTWC CU NT M M M fi J GENERAL ELECTRIC Courtesy of s...

Page 2: ...essories OEM Substructure 2 3 4 5 6 7 8 9 11 12 13 14 21 22 23 25 26 27 Ratings Derating Factors MicroVersaTrip RMS 9 Current Sensor Ratios AKRU Fuses Electrical Characteristics AKR 30S AKR 30 50 T50...

Page 3: ...utility applications Built to withstand intense service conditions these circuit breakers provide for the ultimate in system selectivity due to their short time 4000 Amperes with short circuit ratings...

Page 4: ...Amps Frame Size Amps Breaker Type Solid State Trip Device Electromechanical Trip Device AKR 30S 800 UVCAtOAD cmam RMS 9 MicroVersa Trip TO n AKR 30 30H 800 800 r _ AKR 50 50H 1600 2000 lOMG Ttwr 0 1A...

Page 5: ...60 Hz Frame Size Amps Frame Size Amps Solid State Trip Device Breaker Type Electromechanical Trip Device MOfti c cmt 040 600 AK 25 600 RMS 9 MicroVersaTrip W ittfxCA oa to i MMCXIS cummn 2000 AKS 50 1...

Page 6: ...R designations to identify non automatic dc models e g AKR NB 30D Code Mounting Type Code Trip Device Type Blank Draw out AKDSwitchgear EC 2 A Draw out AKD 5 6 Switchgear 3 Power Sensor ECS B Draw out...

Page 7: ...kage which holds the breaker s moveable contacts in the closed position to collapse Manual Stored Energy Closing AKR 75 and 100 This circuit breaker requires four handle strokes to charge the springs...

Page 8: ...lly keep the closing springs in a charged state Whenever the control solenoid is energized its operation releases the closing springs closing the breaker contacts For typical electrical circuit see pg...

Page 9: ...ing the fuses Should any fuse blow this direct acting as an integral part of the fused draw out breakers in the 800 and 1600 Ampere frame sizes The 3200 and 4000 Ampere frames are available with coord...

Page 10: ...short circuit ratings The equip ment is designed manufactured and tested to NEMA SG5 ANSIC37 20 1 and UL1558 AV LINE Switchboards Type AKR breakers are furnished as stationary mounted or draw out subs...

Page 11: ...ack out mits breaker operation with handle is turned it rotates breakers draw out mounting slotted racking arms or cams circuit In the DISCONNECT type D for AKR 30 and 50 on each side of the breaker a...

Page 12: ...ut manually from the DISCON NECT to the WITHDRAWN position so that the breaker is completely out of its com partment and ready for removal is externally operated by a removable racking handle Two mech...

Page 13: ...trip indi cation MicroVersaTrip RMS 9 represents the latest tech nology in digital solid state programmers RMS Digital Sensing of Sinusoidal and Non sinusoidal The RMS 9 provides accu rate overload p...

Page 14: ...o 1 i rc X msH MVT S SNORT TIME OElA I TIN T OUT AUHG nUU N CAT 40 cn om M i t TEST G M run A c r o 1 S4 HC HUK M5 0121 J I Power Supply Board Programmer Faceplate Logic Board XFMR N GROUND FAULT r AM...

Page 15: ...elay Optional 6 Instantaneous Pickup Standard 7 Ground Fault Pickup Optional 8 Ground Fault Delay Optional 9 Fault Trip Annunciator Local Optional 10 Rating Plug Not shown Adjustable High Range Instan...

Page 16: ...10 21 35 AKRT 50 2 22 24 26 28 30 34 37 4 6 8 1 0 1 5 2 3 5 7 9 10 13 1 5 2 3 5 7 9 10 NA 10 21 35 AKR 75 2 22 24 26 28 3 4 6 8 1 0 1 5 2 3 5 7 9 NA 1 5 2 3 5 7 9 10 21 35 AKR 100 Triple selective tri...

Page 17: ...r magnitude overcurrents and low level short circuit faults Overcur rent due to short circuits is generally in the order of 10 or more times full loadcur rent andis measured as symmetrical RMS root me...

Page 18: ...M II H 51 B 0HN ltd 7 Ml toe 700 MO r MO GROUND FAULT PICKUP IDO y A than the long time pickup 200 protective device Using 100 0 0 devices protection against ground faults can be built into a distribu...

Page 19: ...h as motor starting welding or other overcurrent conditions with out interrupting the service LONG TIME DELAY DELAY Long Time Pickup Light Standard The long time pickup light provides visual indicatio...

Page 20: ...nt level selected on the short time trip point adjustment SHORT TIME DELAY I2 T OUT DELAY The instantaneous trip point determines the level at which the breaker will trip without intentional time dela...

Page 21: ...n to facilitate coordi nation with downstream devices suchas thermal magneticbreakers and fuses whose time current curves do not easily relate to the square shape sensing characteristics common to sol...

Page 22: ...time delay as you get closer to the main protectivedevice The disad for the ground fault vantage in this methodis that the system must now endurethe stress of thehigh current fault until time out occu...

Page 23: ...ings of 40 6000 amperes One EC trip device in Type EC 1B Type EC 1 Type EC 2A Trip Device for 4000 and 6000 amp frame breakers Combines long time and short time elements for intentional delay up to th...

Page 24: ...ul drops in line voltage by automatically tripping the breaker This device is set to pick up at approximately 85 of bus voltage and drop out between 30 and 60 The UV device is also available with an o...

Page 25: ...ial startup Refer to the UV device for ratings and coil characteristics Auxiliary switches for cross interlocking breakers must be ordered separately Key interlock Provision Prevents operation of a re...

Page 26: ...CKOUT CAT NO 425D362G1 COIL NO RESET IN 121C 7S23CS OPENING OP N EUSE INDICATES PUSH TO RESET Af TER REPLACING E USE Remote Close Solenoid For manually operated AKR 30H 50 AKRT 50H breakers The soleno...

Page 27: ...points furnishedin groupsof seven Seven circuit disconnect block kits and mounting brackets for up to three blocks are available for mounting in the substructure Position Switch The position switch i...

Page 28: ...cover primary disconnects when breaker is moved to the test position Provisions for Padlocking Breaker in Disconnect Position Padlock assembly engages with the breaker mounting bracket in the substru...

Page 29: ...ed Breaker Ratings Maximum 600V ac 50 60 Hz 65 3200 65 65 AKR 75 85 85 AKR 100 4000 85 30 600 22 22 AK 25 Inter With Short Time Trip Characteristic rupting Rating With 30 AKR 30S 800 22 30 Breaker Typ...

Page 30: ...rrection Factor Altitude Continuous Current Meters Feet Voltage 2000 6600 and below 1 00 1 00 2600 8500 0 99 0 95 3900 13000 0 96 0 80 pliance with the referenced ANSI standards The test circuit X R r...

Page 31: ...rrent at Rated Input Current Sensor Turns Ratio Sensor Ampere Rating Breakers Fixed 750 1 150 AKR 30S AKR 30 30H AKR 50 AKRT 50H 800 4000 1 8000 1 10000 1 200 mA 1600 2000 Fixed 3200 8000 1 10000 1 AK...

Page 32: ...A4BY3000 A4BY4000 2500 STD 2500 SPEC GF8B2500 GF9F2500 AK GF8F3000 GF8F4000 1000 1200 1600 3000 4000 2000 Used on TAK8SS02 fuse carriage Not class L fuse this is a special limiter in size Used on TAK9...

Page 33: ...08V 25 27 6 036 50 07 67 5 15A 064 240V 60 50 196 74 8 30 3 15A 064 036 190 08 208 254 190 240V 50 6A 023 3 42 64 43 1 23 5 035 240V 25 Table 32 2 Shunt Trip and Undervoltage Device Operating Currents...

Page 34: ...6 1600 119 64 5000 DC 125V 10 50 6700 476 260 16400 DC 250V 248 3 9 25 4 450 54 60 120V 316 7 15 33 450 75 50 120V 825 64 216 25 4 1450 60 208V 825 146 300 25 4 1450 50 208V 930 100 300 25 4 1450 60 2...

Page 35: ...036 50 07 60 250V 0 9 196 1 1 15 6A 190 064 036 190 50 08 12 3 250V 50 208 254 0 9 54 08 6A 035 023 3 42 64 250V 25 Table 34 2 Shunt Trip and Undervoltage Device Operating Currents Undervoltage Shunt...

Page 36: ...208V 60 1450 216 25 4 64 208V 50 1450 300 25 4 146 208V 25 3900 300 64 580 240V 60 1450 300 25 4 100 50 240V 1450 300 25 4 146 240V 25 6000 300 64 580 380V 50 N A N A 64 370 60 480V N A N A 64 370 48...

Page 37: ...17 20A 1 3 064 250V 60 20A 1 3 064 036 190 50 08 196 1 1 15 3 5 190 50 208 254 11 7 250V 035 023 3 42 64 54 08 20A 1 3 250V 25 Table 36 2 Shunt Trip and Undervoltage Device Operating Currents Undervol...

Page 38: ...480V 25 N A N A 100 1600 575V 60 N A 100 N A 580 575V 50 N A 64 N A 918 575V 25 N A N A 146 3200 Table 37 2 Electrical Characteristics AKR 30S 30 50 75 100 Bell Alarm Contact Ratings Rating Amperes C...

Page 39: ...yFU cc FUSE Y r r StandardList of Abbreviations some devicesmay not be includedin diagrams A Secondary disconnect located top left front view B Secondary disconnect locatedtop center front view C Sec...

Page 40: ...rip unit ratings Trip unit adjustment ranges Tolerances Multiples of circuit breaker trip rating are shown on the top and bottom horizontal axis with time in seconds on the vertical axis Approx imate...

Page 41: ...7 7 77 7 7 Application Dtiammes End of Curve 34 77777 7 7 77 7 77 7 r 7 Z 2Z7 7 03 03 U 2 ZZ577 7 v 777774 7 V 7 7 f YZZZTzZ A V 02 42 7 47z 42 Z7 7 z 7 Z 77 f 7 y Z 74 7 z 7 01 24 34 3 4 1 I 1 14 MU...

Page 42: ...TMMr Mjustnmb Avoiloble Ratings Amptrti GrofjiW Feuh Function Pickup in multiple a current Senior amp 5 0 2 0 25 0 3 0 35 0 4 0 45 0 5 and 0 6 lor 150 ttirv 2000 ampi seoio i 51 0 2 0 22 0 24 0 26 0 2...

Page 43: ...7 V y R I S 5 i V y J 7 a o O R 7 a 8 sc nl x 5 o 5 7 u X v X X i i X s uy UJ f l PI 1 c 5 ms 5 1 m is n ii si H 5 5 I 2 fiii iiii s z g 9 K a u 1 B s 4 I E C o P 3 2 I C i y iji S 3 ra A x H M 6 x e...

Page 44: ...I o a a S l o n i 1 i 1 i III s 5 in u s 3 8 tOM 119 I MN03 K M 3MU 13 6 3 3 3 3 3 J i1 i t 5 u S l X 3 X h i 1 f i ul s i 3 e 8 si Ibfi I 1 o R Mi X z iM j r 11 3 I X lii 3 zJ S s it I 5 dT 3 2 Z y o...

Page 45: ...S S 5 i UI f tf I 1 MM 4 1 HM SW MNO M INU Mti 9 1 s H i s i i I S Mill t III IH Hi i s 2 i 5 lJi Kit o 3 H i c o S M z f is s Si Z Z 1 5 3 3 is 3 5 s rx jQ e v S i o x X 5 o 3 flC u P 5 oc N l c u j...

Page 46: ...terminei End of Curve 11 z 7 y 1nrlantanaeu Urui 7 7 1 hit 7 n 3 7 7 7 7 7 7 01 7 7 I i i I IIIn U i a J l l l in H I U x 1 l Jjj i i i l l mi I U l 11 11 i in MULTIPLES OF CURRENT RATING I TYPE AK LO...

Page 47: ...BATFD IO OR ELECTRICALLY OPERATED 15 00 S 50 W 5 50 3 00 POLE ROLE ii OLE MOUNTING aWFACE e ei Y rs T 141 56HOLES iLOT FOR tNbCRTTNfc 3 RM3LOC S TO LOC RWW ivj mvF TREE TPOblTVON j 34 1 14 75 500 163...

Page 48: ...1 A 2 CUST04ABR FUauT 27 F7 m IB 1 LL 1 277 1 25 i T Oa ou 3 OLUANi H OO i tt LAun TEKW IMAL 6 nfc 4 FIG 3 FIG 2 2 50 U OO AMU H Ad WC rutfjvn rrt MA FIG 1 AKR S 30 Electric 75 7 44MA 141Ml MOtf1 i 4...

Page 49: ...T 4 i mr F 1 g f iCE WiK 4C D Ad oo ITOO Sftfe l W LOWt TERMiwAi SEC Fit A FIG 3 FIG Z BO U CO MU TO BA K R6 X AKR S 50 Electric iOO TYP LU HOLE TYP 1 50 TYP 4 4 ftU 4lMtft OlU fbi C uz 1 TYP L l iT K...

Page 50: ...Of FRONT COVER 9 00 j 3 l nn11 50 23 00 i HQ 2 Fiq i AKR S 75 100 Electric 31 00 SKA A ft A MT HOUS MlH 29 50 7 HAD PTIUPPERI LOWER NQ STUD 1 STUD 6 R T NOTE Z pT 4 LPPER STOP HOR LOWER STUD VERT IS...

Page 51: ...5 330 J LJ F i3 25j t 19 25 RML EXTBSCN 13IMX FCWfi h3 SO K3 5tH 10 00 4 63 TVP I D PRQJ C 2 61 OLTCUE Of DOOR 00 1 13 1 75 1 61 iD Ml 12 44 7 7 H 1W U 1 59TYP LOCK SEE MOTE 1 CXEAL06 NUNBBt BREA 6 ft...

Page 52: ...FFLAf tE tiifs AGO A O JM r rsr t UNFUSLP IOOOA 2QOOA J 139C5001 Sh 2 AKR 30 50 T50H Aoo S 0 7 jr l_ __ ct re s e A r c f Deep 0 o J MW AM h v MOLES UMIT 0 o 00A 1 90 lEJ 4 U VK 5EENOTE2 I JfcOOA 2J...

Page 53: ...7 0 i t 3 T 00 TK e eoue oo 3 HOLfS fes CJY P OJ o ezz TKM A9 O I i 06 OTO0OA 5 1 38 5 IV T 36 iai 4 cfc2 ACRS o r _ f 4 i 3 t f o ooc H fACK MC P 4 i _ jH it i z 1 f 0 00 A fy9 C S WWWWflftsS JP op 2...

Page 54: ...6S 50HManual AKRT NS 50HElectric AKR 6F 75 Manual AKR NF 75Electric AKR 6S 75 Manual AKR NS 75 Electric AKR 6F 100Manual AKR NF 100Electric AKR 6S 100Manual AKR NS 100Electric 75C149359 75C149359 75C1...

Page 55: ...le Phase Direct Current Two Phase Four Wire Wanted Three Phase I x E x 1 73 x PF I x E I x E x 2 x PF I x E x PF Kilowatts 1000 1000 1000 1000 I x E x 1 73 I x E I x E x 2 I x E kVA 1000 1000 1000 100...

Page 56: ...eaning lubricat ing tightening etc as rec ommended by the manu cturer When current is ers or other auxiliary devices may further limit the fre quency of operation tional part replacement and general s...

Page 57: ...ig 56 4 Transf 500kVA 600V 4 5 Z I5 000 18 000 I UJ UJ a E 16 000 UJ a a S 3 J 12 000 Z 4 000 z z UJ 2 000 r a a 3 3 9 000 10 000 3 D u CJ a a G 8 000 o 6 000 a a o o x X 6 000 in in i u y 4 000 a 3 0...

Page 58: ...N ct x 3 D N o u s t 3 30 000 g 30 000 a a o o o H s a a 4 J 20p00 O 20 000 N V v 5 CO Cfl V V x v v O u x 10 000 v 10 000 V s k V UJ UJ 2 2 2 2 cn 0 0 5 10 20 50 100 ZOO 500 1000 2000 5000 DISTANCE I...

Page 59: ...OM TRANSFORMER TO POINT OF BREAKER CONNECTION 0 2 DISTANCE IN FEET FROM TRANSFORMER TO POINT OF BREAKER CONNECTION Fig 58 3 Transf 1500kVA 480V 5 75 Z Fig 58 4 Transf 1500kVA 600V 5 75 Z 30 000 to LL...

Page 60: ...37 16 1980 Metal Enclosed Low Voltage AC Power Circuit Breaker National Electrical Manufacturers Association NEMA SG 31971 Low Voltage Power Circuit Breakers Order from NEMA Publications 155 East 44th...

Page 61: ...plugs for application flexibility Adjustable current setting of 0 5 to 1 1 of sensor Volts Cycles AC 3 J 4W 34 3W Circuit breakers rms symmetrical interrupting ratings 240VAC kA 480VAC kA 600VAC kA 25...

Page 62: ...ns GEK 7302 AK 25 50 AKT 50 AK 75 100 GEI 86150 AKR 30 50 AKRT 50 GEI 86151 AKR 75 100 GEI 86160 AKS 50 AKST 50 GEI 86157 ECS 1B 2A Trip Devices Testing Instructions GEK 64464 MicroVersaTrip Test Set...

Page 63: ...kers THLC1 Current Limiting Breakers THLC2 Current Limiting Breakers THLC4 Current Limiting Breakers Insulated Case Circuit Breakers Power BreakH Insulated Case Circuit Breakers with MicroVersaTrip RM...

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