Westinghouse F-122 Instruction Book
  1. Manuals
  2. Brands
  3. Westinghouse Manuals
  4. Circuit breakers
  5. F-122
  6. Instruction book
Westinghouse F-122 Instruction Book

Westinghouse F-122 Instruction Book

Oil circuit-breakers
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the F-122 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Westinghouse F-122

Summary of Contents for Westinghouse F-122

  • Page 2: Table Of Contents

    INDEX Page 3-12 Adjustments ..........12-16 Auxiliaries .. . 0 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Breaker Mechanism ........

  • Page 3: Adjustments

    Insulate connections with varnished cambric and non-elastic and foreign matter. Flush with The type F-122 oil circuit-breaker is a insulating oil. webbing in accordance with West­ interrupting capacity breaker­ 3. Connect the breaker to the oper­...
  • Page 4 Westinghouse Type F-122 Oil Circuit-Breakers Ooeration ftx1 Assem. push­ down pull "2 for up push Assem. operation (Standard) Toggle Lever Toggl? Lever Lmks toggle this dim. Closing Lever Ooer.Rod End A ssem.for oush or down puff Assem. 11 / t!icarta...

  • Page 5: Contacts

    Westinghouse Type F-122 Oil Circuit-Breakers ation can be changed by a simple change in the position of the operating lever and connecting links. Both assemblies are and 9. shown in Figs. To change from one direction of operation to the other the toggle lever and links are assembled as shown.

  • Page 6: Insulating Oil

    If the work merely involves lowering or removal of FIG, 5--0UTLINE DRAWING FOR TYPE F-122 BREAKER WITH CoMMoN PIPE MouNTING the tank, care should be taken to keep FOR UNIT AND CovERPLATE the tank covered until it is replaced so that dirt, dust metallic particles, etc.,...

  • Page 7: Description, Adjustments And Mounting Of Auxiliaries

    Westinghouse Type F-122 Oil Circuit-Breakers and the breaker to the panel. breaker should be mounted as nearly level as possible. The nipple supplied with the breaker units should be screwed into the rod end of the rear of the oper­...

  • Page 8: Electric Lock-Out Device

    Westinghouse Type F-122 Oil Circuit-Breakers Bearing 3� - - - ------ - BELL CRANK SHoWING AssEMBLIES FOR A novE AND BELOW FLOOR MoUNTING FIG. 7-ACCELERATING DEVICE SHOWING ASSEMBLY FOR ABOVE AND BELOW FL OOR MouNTING Mounting of the Auxiliaries strain of closing the breaker, it will be...

  • Page 10: Instructions

    Westinghouse Type F-122 Oil Circuit-Breakers Other Tripping Devices-The over­ load trip, the shunt trip, and the overload trip with dashpot, mount on the cover­ plate by passing the core up through from the bottom into position in the coverplate and then securing it there by means of one nut.
  • Page 11 Westinghouse Type F-122 Oil Circuit-Breakers FIG, !()-DouBLE HANDLE, 3-COIL COVERPLATE Stortinq !ionrJ/g FIG. 11-DouBLE HANDL&, 2-CoiL CovitRPLATE FOR MoTOR-STARTING EQuiPMENT...
  • Page 12 Westinghouse Type F-122 Oil Circuit-Breakers The handle trigger holds the handle Cti·cuit lever down after the circuit-breaker has ttagnet been closed by pushing the handle. The auxiliaries will operate to disengage the trigger from the tap lever. Raising the Tripping Spring handle disengages the handle trigger and Coil --·---�...
  • Page 13 Westinghouse Type F-122 Oil Circuit-Breakers -Std. --- Spcl. Low Temp. Oil I. Minimum Time Delay 2. 50 "!o T i m Delay 3. Maximum Time Delqy ° Temp.30 SwitCh Bloao FIG. 16-AuxiLIARY SwiTCH B ell Alarm Switch Upper Contact '-,...

  • Page 14: Overload Release

    Westinghouse Type F-122 Oil Circuit-Breakers Lockout Co1l Magnetlc C1rcu1t Breaker Operat1ng Mountlng Bracket Adjustmg Screw !:ipr m g FIG. IS-ELECTRICAL LocKouT DEVICE (MouNTS oN BREAKER FRAME) Overload Release (Fig. 14)-The If the opening of the circuit-breaker is time with the variations of the overload...

  • Page 15: Auxiliary Switch

    Westinghouse Type F-122 Oil Circuit-Breakers Cotter Pin---- --..lat.erlcck Costing Adjusting 5crew '"" Interlock Plates Interlock Pin FIG. 20-MECHANICAL SEQUENCE INTERLOCK Auxiliary Switch (Fig. 16)-The aux­ iliary switch is operated by the trip lever striking the fibre block in between the...

  • Page 17: Schematic Diagrams

    Westinghouse Type F-122 Oil Circuit-Breakers Three-Pole Three-Pole Th ree-Pole Two-Pole Three-Pole Two-Pole Three-Phose Three-Phose Jmqle·Phase Three-Phose Smqte-Phose Jingle-Phose Three-Pole Three-PQie Two Trans. Balanced load Two Trons. e· One Trans. Two T Coil Three - Phose Three-Phose Two Trip Coi l s One Tri'p Coil One Trans.
  • Page 18 MEMORANDA...
  • Page 19 ABILENE, TEXAS, 208 Grant Bldg., 3rd & Pine Streets LITTLE ROCK, ARK., 707 Boyle Bldg., 103 W. Capitol St. AKRON 8, OHIO, 106 South Main St. LONG BEACH, CALIF., 2129 Pacific Ave. ALBANY 5, N . Y., 19 Railroad Ave. LOS ANGELES 17, CALIF., 600 St.

Table of Contents