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Summary of Contents for GE IAV51A
- Page 1 GEH-1814A INSTRUCTIONS SUPERSEDES GEH·I814 VOLTAGE RELAYS Types IAV51A IAV52C IAV51D IAV53A IAV53B IAV51K IAV52A IAV53C IAV53D SWITCHGEAR DEPARTIEIT GENERAL ELECTRIC PHILADELPHIA, PA.
- Page 2 Voltage Relays Type IAV GEH-1814 ..TIME DIAl SETTING � PERCENT OF MINIMUM OP RATING VOLTAGE ..fig. Time-Voltage Curves For Types IAV51A And IAV52A Relays...
- Page 3 VOLTAGE RELAYS TYPE IAV INTRODUCTION To draw. out the cradle from a single ended These relays are of the induction disk construe tion. The disk is actuated by a potential operating case, the cover. must first be removed. Then the In so doing, coil on a laminated U-magnet.
- Page 4 GEH-1814 Voltage Relays Type IAV The IAV51K relay is similar to the IAV51D except that it has an external capacitor. Amperes Function The lA V52A relay is similar in every respect 0.2-Amp Tap 2-Amp Tap to the lA V51A relay except that it has additional contacts for closing a second circuit.
- Page 5 13.4 0(64) 13.3 0.93 12.2 60 - Cycle Burdens � IAV510 A(10) 37.4 0.21 B(15 30.6 0.52 C(25 22.2 0.82 18.3 IAV51A 0.34 0(40) & 13.6 0.97 13.2 � 0.35 IAV52A 0.34 IAV510 A(28 31.4 0.15 4.55 0.33 B(42 27.6 0.42...
- Page 7 Voltage Relays Type IAV GEH-1814 • +-. -i---t '· · I '----+ r-- - - · . jA #'STD � tAP' � ..0 . 9 0. • :::: ::! ! � 0. 7 0 . & A TAP 0 . 5 C TAP _, -+ _ -:;...
- Page 8 <0 ::.:: DEY ICE FUNCTION NUWBERS ,[:IRCUIT BREAKER 52 - POWER CIRCUIT BREAKER <0 59- A-C OYERYOLTAGE RELAY, TYPE IAV51A AC OVERVOLTAGE RELAY TYPES lAV51D & IAV51K ��: m�-����NIT - AUXILIARY CONTACT CLOSED WHEN BREUER CLOSES CAPACITOR • WITH TARGET S A- N UNIT WITH 1.1..
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Page 9: Receiving, Handling And Storage
The relay should be mounted on a vertical sur face. The outline and panel drilling dimensions are One of the mounting studs or screws should be shown in Fig. 20 for relay Types IAV51A, IAV51D, IAV52A, and IAV53C. Fig. 21 shows outline and permanently... -
Page 11: Operation
OPERATION Before the relay is put in service, it should be such as the Types IAV51A, IAV51D and IAV52A. given a partial check to determine that factory ad under- and overvoltage relays such as the justments have not been disturbed. On relays which... -
Page 13: Contact Cleaning
Voltage Relays Type IAV GEH-1814 If it is necessary to replace the jewel, the jewel Fine silver contacts should not be cleaned should be turned up until the disk is centered in the with knives, files, or abrasive paper or cloth. air gap, after which it should be locked in position Knives or files may leave scratches which increase by the set screw provided for the purpose. - Page 15 GEH-1814 Voltage Relays Type IAV N UMBERING OF ST UDS (FRONT VIEW) OUTLINE � DRILL HOLES � CASE PANEL PANEL DRILLING FOR SEMI-FLUSH MOUNTING (FRONT V IEW) FANEL DRILLING FOR SURFA CE M OUNTING (FRONT VIEW) VIEW S HOWING ASSEMBLY OF H AR DWAR E FOR S URFACE MTG.
- Page 16 Voltage Relays Type GEH-1814 PANEL LOCATION SEMI - FLUSH SURFACE � 11 � ' oo6b6 4 6 8 10 NUMBE�NG OF STUDS (FRONT VIEW) OUTLINE CASE PANEL PANEL DRILLING FOR SEMI·FLUSH MOUNTING (FRONT VIEW) VIEW SHOWING ASSEMBLY OF HARDWARE FOR SURFACE NTG. S T EEL PANELS ·�...