GE IJCS2A Instructions Manual
GE IJCS2A Instructions Manual

GE IJCS2A Instructions Manual

Current balance relays

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INSTRUCTIONS
GEI-16375B
SUPERSEDES
GEI·16375A
CURRENT
BALANCE RELAYS
l
Types
IJCS2A and IJCS2B
POWER SYSTEMS MANAGEMENT DEPARTMENT
.
GENERAL
ELECTRIC
PHILADELPHIA,
PA.
Table of Contents
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Summary of Contents for GE IJCS2A

  • Page 1 INSTRUCTIONS GEI-16375B SUPERSEDES GEI·16375A CURRENT BALANCE RELAYS Types IJCS2A and IJCS2B POWER SYSTEMS MANAGEMENT DEPARTMENT GENERAL ELECTRIC PHILADELPHIA,...
  • Page 2 Current Balance Relays Types IJC INNER 8 LATCH INNER BLOCK CONNECTIN G PLUGS IJC52A Fig. The Type Relay Disassembled...
  • Page 3 CURRENT BALANCE RELAYS TYPES IJC52A AND IJC52B INTRODUCTION The types UC52A and UC52B relays are used To draw out the relay unit the cover is first to protect the exciting winding of regulating trans­ removed, and the plug drawn out. Shorting bars are formers.
  • Page 5: Receiving, Handling And Storage

    Types IJC Current Balance Relays on the seal-in element is determined by the current Each unit closes its contacts after a time de­ drawn by the trip coil. lay which is dependent both on the ratio and the magnitudes of the currents and also on the time The 0.2-ampere tap is for use with trip coils lever setting.
  • Page 6 Current Balance Relays Types IJC SEAL· IN ELEMENT . STATIONAR Y CONTACT-LEFT SPRING SEAL-IN ELEMENT STATIONARY CONTACT-RIGHT MAIN STATIONARY ORAG MA GNET CONTACT ADJUSTING SCREW MAIN MOVING CONTACT SEAL-IN ELEMENT TAP PLATE SEAL -IN ELEMENT MOVING CONTACT MAIN STATIONARY BRUSH AND CONTACT ASSEMBLY The Type IJC52A Relay Removed from the Case, Front View Fig.
  • Page 7: Operation

    Current Balance Relays Types UC ADJUSTMENTS TARGET AND SEAL-IN ELEMENT the factory. Pick-up, current required to close the contacts with zero restraint, can be adjusted b y For trip coils operating on currents ranging turning the cor.trol spring adjusting ring. This ring from 0.2 up to 2.0 amperes at the minimum control has slots the proper size to fit most screw driver voltage, set the target and seal-in tap plug in the...
  • Page 8 Current Balance Relays Types UC TRIP BUS \ 1+1�-.--- -- -. ..- LEGE�D POWER CIRCUIT BREAKER I MJWf P, PR S, SECOIDARY • CURRENT BALANCE RELAY TYPE IJC52A • LOCKOUT RELAY, HAND RESET AUXILIARY �ONTACT, CLOSED WHEN CIRCUH BREAKE� IS QLOSED.
  • Page 9: Renewal Parts

    Types UC Current Balance Relays RENEWAL PARTS It is recommended that sufficient quantity of est Sales Office of the General Electric Company, renewal parts be carried i n stock to enable the prompt replacement of any that are worn, broken, or damaged.
  • Page 10 Types IJC Current Balance Relays �-18 STUDS SURFACE � ��I Fig. 8 Out! ine and Panel Drilling for the Type IJC52A Relay...
  • Page 12 FOR YOUR LASTING SATISFACTION • • • with the performance and availability of your Gen­ FIELD SERVICE OFFICE CODE KEY eral Electric equipment, GE provides this nationwide network of field service offices, serving & Mechanical Nuclear Service utility, industrial, transportation and marine users. Qualified field engineers provide instal­...

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Ijcs2b

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