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GE IJCS2A, Instructions Manual, Page: 6 / 12

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GE IJCS2A Instructions Manual Download Page 6

Current  Balance  Relays 

Types  IJC 

SEAL· IN  ELEMENT  . 

STATIONAR Y 

CONTACT-LEFT 

SEAL-IN  ELEMENT 
STATIONARY 

CONTACT-RIGHT 

ORAG  MA GNET 

SEAL-IN ELEMENT 

TAP  PLATE 

SEAL -IN  ELEMENT 
MOVING  CONTACT 

MAIN STATIONARY 

BRUSH  AND  CONTACT 

ASSEMBLY 

SPRING 

MAIN  STATIONARY 

CONTACT  ADJUSTING 

SCREW 

MAIN MOVING 

___ 

CONTACT 

Fig. 

3 

The  Type  IJC52A  Relay  Removed 

from 

the  Case, 

Front  View 

Fig. 

� 

6 

RESTRAINING 
COIL 

LOWER  JEWEL 

SCREW 

The  Type  IJC52A  Relay  Removed  from  the  Case,  Back  View 

-

:1" 

:1" 

00 

,.... 

8 

00 

-

www 

. ElectricalPartManuals 

. com 

Summary of Contents for IJCS2A

Page 1: ...CTIONS CURRENT BALANCE RELAYS Types IJCS2A and IJCS2B POWER SYSTEMS MANAGEMENT DEPARTMENT GEI 16375B SUPERSEDES GEI 16375A GENERAL ELECTRIC PHILADELPHIA PA 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: ...Current Balance Relays Types IJC 2 INNER 8 LATCH INNER BLOCK L CONNECTING PLUGS __ ___ Fig I The Type IJC52A Relay Disassembled 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 3: ...ver is first removed and the plug drawn out Shorting bars are provided in the case to short the current transform er circuits The latches are then released and the relay unit can be easily drawn out To replace the relay unit the reverse order is followed A separate testing plug can be inserted in place of the connecting plug to test the relay in place on the panel either from its own source of cur...

Page 4: ... a 3s ri _ r r i v E e _ _ v 4 _ _ 4 i W 1 c 4 Lo i z L ZS r Ti tr r T r 1 1 1r i r J 0 t v 20 r r 1 i v C _ _ l 10 r t I o 5 10 15 Restraining 20 25 30 3 5 cur nt Amperes Fig 2 Characteristic Curve of the IJC52A and IJC52B Relays With 120 Slope and 3 Amperes Minimum Pick up 40 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 5: ...m ers by each operating and restraining coil at 5 amps are as follows Impedance Power Volt Circuit Ohms Factor Am_peres Oper tting 38 38 9 5 Restraints 54 34 13 5 RECEIVING HANDLING AND STORAGE 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 examinationshould be made for any dama...

Page 6: ... ELEMENT MOVING CONTACT ASSEMBLY MAIN STATIONARY BRUSH AND CONTACT ASSEMBLY ___ _ SPRING MAIN STATIONARY CONTACT ADJUSTING SCREW MAIN MOVING ___ CONTACT Fig 3 The Type IJC52A Relay Removed from the Case Front View Fig 6 RESTRAINING COIL M LOWER JEWEL SCREW The Type IJC52A Relay Removed from the Case Back View 1 1 00 8 00 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 7: ...is setting the time lever and i f necessary adjusting the drag magnet for the correct time It may be that the control spring will not reset the contacts all the way back to the time lever This condition will cause no difficulty however because a s soon as the relay is energized with balanced currents of applicable magnitude the torque of the restraint U magnet will reset t h e contacts As noted be...

Page 8: ...L1 ARY QONTACT CLOSED WHEN CIRCUIT BREAKE IS OPEN OC O PERATI NG COH RC RESTRAINING COIL St SEAL h WITH TARGET TC TRIP COIL TYPaAL EXTERNAL CONNECTIONS Typical External Connections for the Type IJC52A Relay INDUCTION ElEMENT SEAL IN ELEMENT l 3 S ORT FINGER R E s T R A I H qq 6 8 SHOIT FlNGE Fig 6 Internal Connections for the Type IJC52A Relay Front View Fig 7 Internal Connections for the Type IJC...

Page 9: ...e worn broken or damaged When ordering renewal parts address the near est Sales Office of the General Electric Company specify quantity required name of part wanted and give complete nameplate data including serial num ber U possible give the General Electric Company requisition number on which the relay was furnish ed 9 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 10: ...ce Relays Types IJC I IY2 0 t 1 li I 0 _ 0 t 1 I 0 _ I sa J Q JJ Fig 8 Out ine and Panel Drilling for the Type IJC52A Relay 10 __ ___ 3 18 STUDS FOR SURFACE MTG 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 11: ...FRONT VIEW CASE l 1 v vLl Current Balance Relays Types UC PANEL LOCATION SEMI FLUSH SURR CE TG MTG 11h r I PANEL v u VIEW SHOWING ASSEMBLY OF HARDWAAE FOR SURFACE MTG ON STEEL PANELS Fig 9 outline and Panel Drilling for the Type IJC52B Relay 11 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 12: ...t Roanoke 24015 2018 Colonial Ave WASHINGTON t t Seattle 98188 112 Andover Park East Tukwila Spokane 99202 E 1805 Trent Ave WEST VIRGINIA t Charleston 25328 306 MacCorkle Ave SE WISCONSIN Appleton 54911 3003 West College Dr t l Milwaukee 53202 615 E Michigan St WHEN YOU NEED SERVICE These GE Service Shops will repair re condition and rebuild your electric apparatus The facilities are available day...

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