Westinghouse W-207 Manuale Utente

Nuclear Safety Related Low-Voltage Power Circuit Breakers and Cell Parts — Types DS and DSLNuclear Services/Engineering Services

10Arc Chutes and BarriersFigure 9 – Left - Breaker with barrier removed to show mounting arc chutes and right: DS-632 breaker with front panel removed

11Operating Mechanism and Related PartsFigure 11 – Left side view of power-operated mechanism withleft-hand closing spring removedFigure 12 – Rear vie

12Operating Mechanism and Related PartsPower OperatedManually OperatedDescriptionNumber Required per BreakerFigure NumberItem NumberPart NumberFigure

13Control Components Figure 16 – Left: Shunt Trip Attachments, Middle: Overcurrent Switch, Right: Motor cut-off switchFigure 17 – Left: Spring release

14Control ComponentsDescriptionFigure Number Voltage Part NumberMotor Cut-off Switch (includes motor cut-off switch, mounting bracket and insulation)

15Levering Mechanism Figure 19 – Levering Mechanism AssemblyDescription Number Required Per Breaker Part NumberLevering Mechanism Assembly 1 449D224G0

16Westector Tripping System Figure 20 – Westector Solid-State Trip DeviceWestector Solid-State Trip Device Westector can be supplied in six combinatio

17Auxiliary SwitchesAuxiliary Switches AContacts Part Numbera (early), b, a, b 449D622G28a (early), b, b, b 449D622G29a, b, a, b449D622G33a, a, a, a 4

18DSL-206 and DSL-416 BreakersParts for pole units, arc chutes, mechanism, etc., for DSL breakers are identified on preceding pages of this brochure.F

19® LimitersBreaker TypeNumber Required per BreakerRating AmpsPart NumberDSL-2063 150 140D316G013 200 140D316G023 250 140D316G033 300 140D316G043 400

2Nuclear Safety Related Low-Voltage Power Circuit Breakers and Cell Parts – Types DS and DSLFigure 1 – Switchgear CellThis publication covers the foll

20Miscellaneous Switchgear Parts (continued)Figure 27 – Typical DS-632 Breaker CompartmentFigure 28 – Top View of DS Breaker in CellCurrent Transforme

21Westinghouse Electric Company 1000 Westinghouse Drive Cranberry Township, PA 16066www.westinghousenuclear.com#88521June 2011PROCEDURE FOR IDENTIFYIN

3Figure 2 – View Showing Controls on the PanelFigure 3 – Type DS-206 and Type DS-632 Breakers in Connected Position

4Parts IdentificationThe illustrations in this Renewal Parts Data show parts and sub-assemblies that are identified by name and part number. Additio

5Figure 4 – DS-416 Breaker with Front Panel RemovedFigure 5 - Rear View Showing Levering Device Arm In Connect Position

6Items Common to All Breaker TypesHardwareStandard hardware such as bolts, nuts, washers, etc., are not listed in this data. Damaged or worn hardware

7Type DS-206 and DSL-206 pole unit.DS-206 pole unit is illustrated. DSL-206 pole unit is similar.Figure 6 – DS-206 Pole Unit Assembly (Front View Lef

8Type DS-416, DSL-416, and DS-420 pole unitDS-416 pole unit is illustrated. DSL-416 and DS-420 pole units are similar.Figure 7 – DS-416 Pole Unit Ass

9TYPE DS-532 AND DS-632 POLE UNIT DS-632 pole unit is illustrated and is the replacement for DS-532 pole unit.Figure 8 DS-632 Pole Unit Assemblies (Fr