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INSTRUCTION MANUAL 

Relay  Associates  Type  LJ  -  High  Speed  Auxiliary  Relays 

LJ12 

LJ22 

LJ32 

Relay Associates brand is owned by Relay & Power Systems 

APRIL 2017  |  VERSION 1.3 

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Summary of Contents for LJ12

Page 1: ...INSTRUCTION MANUAL Relay Associates Type LJ High Speed Auxiliary Relays LJ12 LJ22 LJ32 Relay Associates brand is owned by Relay Power Systems APRIL 2017 VERSION 1 3 Page 1 of 21...

Page 2: ...0 RELAY COIL AND OPERATING SPECIFICATIONS TARGET ELECTRICAL SEAL IN OPTION RECEIVING INSTALLATION ADJUSTMENTS TESTING PROCEDURES ELECTRICAL OPERATION MANUAL OPERATION TEST SWITCHES TYPICAL TERMINAL BL...

Page 3: ...XAMPLES 250V DC STANDARD MODELS TABLE 6 CONTACT RATINGS TABLE 7 RELAY SPECIFICATIONS TABLE 8 CUTOUT DIMENSIONS INCHES FOR FLUSH CASES LIST OF FIGURES FIGURE 1 TERMINAL BLOCKS FIGURE 2 STANDARD WIRING...

Page 4: ...ly closed contacts The dustproof all aluminum case is available in both flush and projection mount configurations The shielded coil minimizes internally generated transients and provides immunity to m...

Page 5: ...DC Operating Coil Seal Option Seal In with Manual Reset Option see note 4 No Seal In Option Number of NormallyOpen Close Contacts see note 1 2 Open Contacts Closed Contacts NOT ALL CONFIGURATIONS ARE...

Page 6: ...33 42 24 06 60 4 3 E B N 100 73 55 64 4 3 E C N 100 73 82 TABLE 2 AVAILABLE LJ RELAY MODEL NUMBERS LJ 1 3 E C N 5 5 1 Flush Case with Target No Test Switches 3 Ten Contacts E Standard Size C 48 Volt...

Page 7: ...n Normally Open Contacts 0 Zero Normally Closed Contacts TABLE 4 EXAMPLES 125V DC STANDARD MODELS LJ 1 2 S A N 4 2 1 Flush Case with Target no Test Switches 2 Six Contacts S Standard Size LJ12 LJ32 on...

Page 8: ...duce a momentary contact closure is greater than 0 60 Joules Tables 6 and 7 below are in compliance with ANSI C37 90 rating specifications Rating for LJ Relays Per ANSI C37 90 Current Interrupting Mak...

Page 9: ...3 1490 10 contacts 250 52 8600 2 6 contacts 250 52 8600 10 0 5 contacts 1 9 1724 4 5 0 5 1 9 1724 5 0 10 0 5 contacts TABLE 7 RELAY COIL AND OPERATING SPECIFICATIONS Page 9 of 21 RPS INSTRUCTION MANUA...

Page 10: ...ource until reset by one of the methods below The recommended wiring for this option is shown in Figure 3 Due to internal space requirements an LJ12 which is ordered with this option will be supplied...

Page 11: ...ing the relay exercise reasonable care as to avoid severe impacts Installation The relay is shipped from the factory pre configured to the customer s specifications and should not require any modifica...

Page 12: ...Pushing in on this probe will move the armature and thereby operate the contacts and target assembly note Not applicable on LJ32 or LJ33 Test Switches As an option test switches are provided on both s...

Page 13: ...Page 13 of 21...

Page 14: ...Standard Wiring Diagram FIGURE 5 STANDARD WIRING DIAGRAM EXCLUDING LJ4X SERIES Page 14 of 21...

Page 15: ...Electric Seal in Wiring Schematic FIGURE 6 ELECTRICAL SEAL IN WIRING DIAGRAM Page 15 of 21...

Page 16: ...Panel Cutout And Drilling For Semi Flush Cases G F E 125 rad TABLE 8 CUTOUT DIMENSIONS INCHES FOR FLUSH CASES G Page 16 of 21 A G D G C B FIGURE 7 PANEL CUTOUT 221 dia 4 places 4 places...

Page 17: ...Projection Unit Mounting Footprints FIGURE 8 PROJECTION MOUNT DRILLING DIMENSIONS Page 17 of 21...

Page 18: ...Left to Right the 2 contact LJ41 the 6 contact LJ42 and the 10 contact LJ43 Page 18 of 21...

Page 19: ...Page 19 of 21 FIGURE 9 LJ41 LJ42 AND LJ43 DRAWING...

Page 20: ...Notes Page 20 of 21...

Page 21: ...nd control houses including engineering system design fabrication testing and commissioning Relay Power Systems formally Relay Associates Inc is a wholly owned subsidiary of Rumsey Electric Since its...

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