Westinghouse KV-1 Instructions Manual Download Page 12 | Manualshive

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ICS

4

INTERNAL SCHEMATIC

ICS

9 9 9

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FRONT

VIEW

Fig. 7 Internal Schematic

VARISTOR

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COtHACTOR

SwiTCti

iJOLTA..iE UNIT

RED HANDLE

TEST SWITCt1

-- TERMI1�AL

184A262

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Summary of Contents for KV-1

Page 1: ...feed terminal In this case the trip units are supervised by the type KA carrier auxiliary relay to prevent tripping for external faults Hot line reclosing is another application for this relay CONSTRU...

Page 2: ...oving contact arm by a spiral spring The spring adjuster is also held in place by a spring type clamp With the contacts closed the electrical connection is made through the stattionary contact housing...

Page 3: ...or optimum follow and this adjustment should not be disturbed SETTINGS The relay as received has been factory adjusted for 100 volt dropout Any other dropout voltage over the range can be gotten by va...

Page 4: ...adjustments other than those covered under SETTINGS should be required Accept e_ _Check The following check is recommended to insure that the relay is in proper working order 1 Contact Gap ThP contact...

Page 5: ...ure should not be used unless it is apparent that the relay is not in proper working order See Acceptance Check Undervoltage Unit V 1 The upper pin bearing should be screwed down until there is approx...

Page 6: ...til the moving contact just makes with the right hand stationary contact Indicating Contactor Switc ICS Adjust the contact gap for approximately 5 64 1 64 0 Close the main relay contacts and check to...

Page 7: ...EST JACK TERMINAL 185A336 Fig 1 Internal Schematic 0 z 0 ILl _ J I LI 1 50 45 40 35 30 25 20 15 10 5 0 0 J j 1 I v v v v v n l l v 80 V DROPOUT SETTING 100 V DROPOUT SETTING 10 20 30 40 50 60 70 80 90...

Page 8: ...12 MTI ICIEWI 12 y I J PAIIEL COUTOUT I DltU t FOI ISU FWIII Mrl PAIIEI Dill U IK8 011 CUTClll fOit I ROJECTIOII Mh fiOIT YlEW 57 D 7901 Fig 3 Outline and Drilling Type FT 21 Case WESTINGHOUSE ELECTRI...

Page 9: ...ary without having to remove the magnetic core from the frame The electromagnet has two pairs of coils The coils of each pair are mounted diametrically opposite one another In addition there are two l...

Page 10: ...irt moisture excessive vibration and heat Mount the relays vertically by means of the four mounting holes on the flange for semi flush mounting or by means of the rear mounting stud or studs for pro j...

Page 11: ...ionary contact in position With the resistor shorted out pass 15 volts a c through the relay terminals The sensitivity adjustment is made by varying the tension of the spiral spring attached to the mo...

Page 12: ...IC ICS 9 9 9 __Q__ Q___ _____ _ 0 0 0 FRONT VIEW Fig 7 Internal Schematic VARISTOR ltWICATINu COtHACTOR SwiTCti iJOLTA iE UNIT RED HANDLE TEST SWITCt1 TERMI1 AL 184A262 w w w E l e c t r i c a l P a r...

Page 13: ...J a 0 10 5 0 TYPICAL OPERATE TIME CURVES r CONTACT CLOSING L 1 v C NTACT OPENING J 0 2 4 6 8 10 12 14 16 18 20 MULTIPLES OF PICKUP VOLTAGE Fig 2 Typical Operate Time Curves I L 41 933 18 3494A53 5 w w...

Page 14: ...H MTG PANEL CUTOUTS DRILLING PROJEC TION MTG FOR SEMI FLUSH MTG 1 344 SPACERS FOR 34 14 THIN PANELS 5 16 18 SCREW FOR THICK PANELS 594 USE 5 16 18 STUDS J 5 og I DIA 2 HOLES 250 g l6 39 _ 6 35 375 1 0...

Page 15: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m...

Page 16: ...WESTINGHOUSE ELECTRIC CORPORATION RELAY INSTRUMENT DIVISION NEWARK N J Printed in U S A w w w E l e c t r i c a l P a r t M a n u a l s c o m...

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