GE MicroVersaTrip AKSU-50 User Manual Download

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Installation
Manual

G EK-64468

•

MicroVersaTri

P

Conversion Kits

Breaker Types

AK/AKU/AKT-50,

AKS/ AKSU/ AKST -50,

AK/AKR-75, AK/AKR-100

GENERAL

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ELECTRIC

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Summary of Contents for MicroVersaTrip AKSU-50

Page 1: ...Installation Manual GEK 64468 MicroVersaTriP Conversion Kits Breaker Types AK AKU AKT 50 AKS AKSU AKST 50 AK AKR 75 AK AKR 100 GENERAL fl ELECTRIC w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 2: ...4 2 Breaker Conversion AK AKS 50 Drawout 13 4 3 Breaker Conversion AK AKS 50 Stationary 14 4 4 Breaker Conversion AK AKS 75 100 Drawout 14 4 5 Breaker Conversion AKR 75 100 Stationary 15 4 6 Equipment...

Page 3: ...h Wire 4th Wire Ground Ground Ground Ground Fault Fault Fault Fault AK 50 AKT 50 4 5 6 5 AKU 50 AKS 50 AKST 50 1 1 1 2 1 3 1 2 AKSU 50 AK 75 7 8 N A N A AK 1 00 9 1 0 N A N A AKR 75 23 24 25 24 AKR 1...

Page 4: ...e Adj short time delay Short time Ft switch Instantaneous Adj instantaneous pickup X Adj ground fau lt pickup 1 ph 2 w 3 ph 3 w 3 ph 4 w Ground Fault Ground retu rn Adj ground fault delay Trip indicat...

Page 5: ...X Relays Type AK 2 2A Breakers EC trip devices electrically operated with quick close may require the relocation of their anti pump W Relay to insure proper space for the MicroVersaTriprM programmer...

Page 6: ...ensor systems the flux shifter mounting holes must be added to the left side of the front frame The drill pattern for the required three 3 0 209 diameter holes is given in Fig 2 5 Install the flux shi...

Page 7: ...shown in Fig 2 6 TRIP PADDLE IN MECHANISM RESET POSITION SIDE LINK CROSSBAR BREAKER OPEN TRIP ROD IN RESET POSITION ADJUSTER END Fig 2 6 Flux shifter adjustments 2 4 2 Adjustments Once the flux shifte...

Page 8: ...in Fig 2 8 Once the plate is installed assemble the mounting bracket to the plate using the holes closest to the front of the breaker See Fig 2 7 2 6 Programtner Harness Installation The programmer ha...

Page 9: ...racket See Fig 2 3 The actuator bracket must be assem bled to the left side link of the left pole as shown in Fig 3 1 If the actuator bracket mounting holes are not in the left side link the holes mus...

Page 10: ...3 3 Lower adapter connector Fig 3 4 MicroVersaTrip phase sensors and harness installed AK AKS 50 3 4 Phase Sensors AKR 75 100 For SST and ECS equipped breakers 1 Remove the back frame harness from th...

Page 11: ...ck frame as shown in Fig 3 8 using the hardware provided 4 Form each sensor s leads downward between the pole bases and thru the hole in its terminal board as shown in Fig 3 8 Wire tie and solder to t...

Page 12: ...ll MOUNTING WHEN USED THE 4TH WIRE NEUTRAL SENSOR DISCONNECT BLOCK MOUNTS ON TOP OF TAP TERMINAL BOARD VIA ITS TWO LOWER MOUNTING SCREWS THE AKD 5 TYPE MOUNTING IS ILLUSTRATED THE ARRANGE MENT FOR AKD...

Page 13: ...th wire neutral disconnect 0 38 DIAMETER HOLE REAR VIEW DIMENSIONS IN INCHES 4 2 Breaker Conversion AK AKS 50 Drawout The 4th wire disconnect for the AK AKS 50 Drawout breaker mounts to the lower back...

Page 14: ...NTING HARDWARE DRILL 2 0 219 DIAMETER HOLES 4 4 Breaker Conversion AK AKR 75 100 Drawout There are two 4th wire disconnect designs used with these breakers One design is used on breakers for AKD Type...

Page 15: ...Stationary The 4th wire disconnect for stationary AKR 75 100 breakers is similar to the terminal board used by the AKS 50 breakers See Section 4 3 for details 4 6 Equipment Conversion The equipment co...

Page 16: ...I I LEFT POLE I OF BRACKET k DRILL 2 0 218DIAMETER HOLESIN COMPARTMENT 3 75 1 2 _l_ COMPARTMENT I 14 8 62 1 SIDE VIEW OF COMPARTMENT VIEW LOOKING AT REAR OF COMPARTMENT DIMENSIONS IN INCHES 225 Break...

Page 17: ...wire disconnect installation AKD 5 type REAROF BREAKER 1 PHASE SENSOR TERMINALBOARD REAROF COMPARTMENT CENTER LEFT POLE POLE 7 00 J 1BRACKET i l HOLESIN 228 COMPARTMENT 11 DRILL 2 0 281 DIAMETER r SID...

Page 18: ...inch mounting screws 239 Bracket Fig 4 8 AK 100 4th wire disconnect installation AKD type PHASE SENSOR TERMINAL BOARD I REAROF I BREAKER _ SIDE VIEW OF COMPARTMENT DIMENSIONS IN INCHES 225 Breaker po...

Page 19: ...ectrical duplicate of the phase sensor including the taps Therefore when taps are changed on the phase sensors the taps on the neutral sensor must be correspondingly positioned Mount the neutral senso...

Page 20: ...I I 1 EFT fi7 DIMENSIONS IN INCHES 0 032 o_j_ SENSOR CAT NO TSVG830BK TSVG940BK Fig 4 11 Outline of the AKR 75 100 and AK 75 100 neutral sensor AMPERES 1200 3000 1600 4000 w w w E l e c t r i c a l P...

Page 21: ...20BK 800 2000 A 0 250 0 500 0 625 GEN 0 ELECTRIC OBSERVE LINE ANO LOAD CONNECTIONS BOND OR GROUND ON LINE SIDE ONLY B 3 25 3 62 3 25 c 0 75 0 94 0 75 D 0 562 DIAMETER HOLES MAXIMUM f 1 25 STRAP n E 3...

Page 22: ...IN DRAWOUT BREAKER COMPARTMENT SEE BELOW OR TERMINAL BOARD TB4 ON STATIONARY BREAKERS EQUIPMENT PORTION OF 4TH WIRE DISCONNECT 2 28 TAP COMMON FRONT VIEW LOOKING INTO BREAKER COMPARTMENT TAP 6 PAN HE...

Page 23: ...h on the programmer This will engage the connectors and release the locking lever which will move upwards 2 Verify that the locking lever actually engaged the programmer pin To remove the programmer 1...

Page 24: ...curves given in Fig 6 9 and Fig 6 10 B Test the components of the MicroVersaTrip system using portable Test Set Type TVTS1 The applicable test procedures are detailed in Instruction Book GEK 64464 6 3...

Page 25: ...that the harness connections to the sensors meet the polarity constraints indicated by the cabling diagram q A q B q c AAA BREAKER t t t 1 BACK FRAME 4 On Ground Fault breakers serving four wire loads...

Page 26: ...fault on 3 wire load cpA cpB cp i C FLUX SHIFT AA A TRIP DEVICE BREAKER r 4 l BACK FRAME o O O LEFT POLE I CURRENT OM I SENSOR nl _ I NEUTRAL I I I A NEUTRAL I SENSOR DISCONNECT LINE l I 1 I COM1 lc...

Page 27: ...I I o I o I I o t I o I o 4 I o 1 I o I I I o I 0 I 0 l L_j GROUND FAULT DEFEAT MODULE PROGRAMMER CAT NO TVTGD9 UNIT r I _ I L I D I f L 4 I a r I l 0 0 0 3 4 5 a r l I f1 o I I I I I I t o I I t O I...

Page 28: ...TOR PROGRAMMER CONNECTOR Fig 6 6 Partial cable diagram H option winding connections PROGRAMMER SECONDARY DISCONNECT EQUIPMENT BREAKER AMP AMP 1 350239 9 1 350246 9 REMOTE FAULT INDICATION CONNECTOR MI...

Page 29: ...ARNESS CONNECTOR SHORT TIME OUTPUT l r GROUND FAULT j INPUT 1 H Hn r GROUND FAULT OUTPUT 1 r Hn r AMP AMP 1 350239 9 1 350246 9 MICROVERSATRIP PROGRAMMER I I I I I I I I L ___ J Fig 6 8 Cabling diagra...

Page 30: ...vne i I L Application Oetarmineo l V End of Curve X 1 VU II Instantaneous Adiustment P ckup setting 0 4 0 6 0 B 1 0 multiples of breaker short t1me mterruptmg ratmg H XXX Wl 11 4 5 1 7 1 I 1 2 3 4 I I...

Page 31: ...101011 LVPCB MC ICCB Max LVPCB V 717 20 fo 1 o r v l II Vv 30 40 50 10 701010 MC ICCB LVPCB MC ICCB I MULTIPLES OF GROUND FAULT PICK UP SETTING I U U Fig 6 10 MicroVersaTrip ground fault time versus...

Page 32: ...purchaser s purposes the matter should be referred to the General Electric Company These instructions are intended for use by qualified personnel only Outs1de the U S and Canada wnte Export Sales and...

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