GE IAC55A Instructions Manual Download | Manualshive

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Summary of Contents for IAC55A

Page 1: ...allation operation or maintenance further information be desired or should particular problems arise which are not covered sufficientJy for the purchaser s purposes the matter should be referred to th...

Page 2: ...1 10 8 2 6 o 5 4 1 3 4 cn 2 7 O M a M M E k J2 2 01 5 I 7 1 0 1 3 4 5 6 7 8 0 1 0 20 3 0 4 0 5 0 6 0 7 0 8 0 9 0 2 MULTIPLES OF RELAY TAP SETTING Figure 1 0888B0271 1 Typical Time Current Curves For T...

Page 3: ...etting and retighten the screws Typical time current curves for these relays are shown in Fig 1 of this instruction book Outline and panel drilling as well as internal connections for these relays are...

Page 4: ...ays Type IAC INDUCT I ON UNITS L I NST rUN I T INST UN I T S I V V V V V V I r V v r 3 7 I 5 O o 6 8 c S H O R T F I N 6 E R Figure 2 0362A0506 1 Internal Connection Diagram for IAC55F Relay Front Vie...

Page 5: ...GEH 1753J INSTRUCTIONS TIME OVERCURRENT RELAYS TYPES IAC52 A IAC52 B IAC51A IAC51B IAC51R K R i s i S VI I 1 I i v A L 1 GENERAL ELECTRIC Courtesy of NationalSwitchgear com...

Page 6: ...OVING SHAFT SEAL IN UNIT STATIONARY CONTACT RIGHT MAIN STATIONARY BRUSH AND CONTACT ASSEMBLY SEAL I N MOVING CONTACT ASSEMBLY ktNERAL M S UlMjj II MO DISK MB N UNIT DRAG MAGNET 8006996 Front View CRAD...

Page 7: ...s actuated by a current operating coil on a laminated U magnet The disk shaft carries the moving contact which completes the alarm or trip circuit when it touches the station ary contact or contacts T...

Page 8: ...3 X X V X P 2 X Xx X 10 X 9 8 X 7 i 6 0 tn 7 i CP c 1 X 4 5 X a 3 4 tn 2 3 O a 2 a E i H JJI 08 07 08 05 04 03 02 01 9 8 7 8 A 1 3 4 5 1 7 8 9 1 0 20 30 40 50 60 70 80 80g MULTIPLES OF RELAY TAP SETT...

Page 9: ...l Amperes Volt Amps Imp Ohms 30 20 5 0 Freq 0 45 Tap PF 1 2 0 37 2 3 2 6 0 2 2 0 0 6 2 0 4 16 60 4 0 8 8 0 35 0 29 0 15 0 05 0 5 0 5 amp ohms ohms ohms 0 78 8 3 0 24 0 18 50 0 32 4 0 8 0 0 31 6 2 0 65...

Page 10: ...51A Relays used for Phase to Phase and Ground Overcurrent Portection of a 3 Phase Circuit TC Trip Coil Auxiliary contact closed when breaker closes A A C BUS 1 2 3 A C BUS 1 JLL 2 3 12 n A C TRIPPING...

Page 11: ...es respectively The current closing rating of the contacts is 30 amperes for voltages not exceeding 250 volts BURDENS Burden data on the instantaneous unit coils are given in the following table APPLI...

Page 12: ...the flux generated by the main REA coil passes through the upper limb of the magnetic structure and holds the armature firmly against this limb When the contacts of the induction unit close the short...

Page 13: ...or the adjustments disturbed These relays when not included as a part of a control panel will be shipped in cartons designed to protect them against damage Immediately upon receipt of the relay an ex...

Page 14: ...UL I T A T N T V V r V V V v N V V V V V I9 1 5 7 3 O O o 6 2 4 8 10 Fig 13 K 6209294 3 Internal Connections for the Type IAC51R Relay Front View INDUCTION INDUCTION A UNIT SI T T SI T SEAL IN UNIT W...

Page 15: ...and dry free from dust and excessive vibration and well lighted to facilitate inspection and testing MOUNTING The relay should be mounted on a vertical surface The outline and panel diagrams are shown...

Page 16: ...p of the relay Screw the tap plug firmly into the tap marked for the desired current below which the unit is not to operate When changing the current setting of the unit remove the connecting plug to...

Page 17: ...d by turning the screws in the contact brush which regulates the position of the brush in relation to the brush stop For relays with two circuit closing contacts the tips should be in the same vertica...

Page 18: ...escribed above can be obtained from the factory PERIODIC TESTING An operation test and inspection of the relay at least once every six months are recommended Test connections are shown in Fig 18 RENEW...

Page 19: ...WARE FOR SURFACE MTG ON STEEL PANELS OUTLINE 5 16 7 2 27 7 I DRILL 2 HOLES 2 2 5 DRILL 4 10 HOLES S f DRILL 5 HOLES 32 32 32 32 DRl LL 2 HOLES 6 x 7 D R I L L 4 4 HOJ E IS 0 PPA CN i l UJ 4 o I 0 4 a...

Page 20: ...3RZHU 0DQDJHPHQW 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 201 2098 www ge com indsys pm Courtesy of NationalSwitchgear com...

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