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IB-2807 -51 C 

METAL-CLAD  SWITCHGEAR 

5  KV  POWER  CIRCUIT  BREAKERS 

TYPE  5HK7 5,  5HK150,  5HK250  AND  5HK350 

* I

I·T·E  CIRCUIT  BREAKER  COMPANY 

www 

. ElectricalPartManuals 

. com 

Содержание 5HK75

Страница 1: ...IB 2807 51 C METAL CLAD SWITCHGEAR INSTRUCTIONS 5 KV POWER CIRCUIT BREAKERS TYPE 5HK75 5HK150 5HK250 AND 5HK350 I I T E CIRCUIT BREAKER COMPANY 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 ...

Страница 2: ... CLAD SWITCHGEAR Fig 1 View Showing Arc Chute and Contact Structure Fig 2 Front View of Control Panel X O l N 0 w 0 f 0 I L 00 I N 0 0 1 lnW N 0 0 f wo I OCL f 0 IW CL 0 u 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 ...

Страница 3: ...osing springs snap into charge position Insert BOTH tangs of spring retainer bracket 7 into holes of closing spring tubes 2 Pull manual close lever 4 to discharge closing springs onto tangs of spring retainer bracket 7 Engage manual charge handle 8 with charging lever 3 then pump to slow close breaker contacts Check contact pressure as in Adjustment Section then push manual trip button 6 to trip b...

Страница 4: ...51 PAGE 4 METAL CLAD SWITCHGEAR I 2 Fig 3 Method of Racking Circuit Breaker Fig 4 Contact Pressure and Bridge Pivot Pressure N m 0 f 0 r _ w 0 N ro 0 D 0 0 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 ...

Страница 5: ...reakage Closely observe that there is no erosion or pitting of the METAL CLAD SWITCHGEAR IB 2807 51 PAGE 5 rear horn spacer bushings warped or cracked jump gap plates and eroded disconnect pivot bolt and bushings Also check any erosion or distortion to front arc horn Remove dirt or grease from contacts with a cloth saturated with an oil free solvent Discoloration of main contacts does not indicate...

Страница 6: ... 3 5 METAL CLAD SWITCHGEAR I I __ I I Fig 5 latch Check Switch Adjustment RACKING LEAD SCREW 4 3 RACKING RELEASE LEVER PADLOCK LOCKOUT Fig 6 Racking Mechanism w 0 0 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 ...

Страница 7: ... closed make adjustments by regulating the length of connecting rod 3 for approxi METAL CLAD SWITCHGEAR 18 2807 51 PAGE 7 mately 1 8 inch minimum clearance at A between trip link 5 and blocking lever 4 with racking lock lever 2 held against racking lock bracket 1 at B ELECTRICAL OPERATING SEQUENCE Please refer to the specific schematic diagrams and other operational information furnished with your...

Страница 8: ...ntatives are experienced and are competent to make correct applications as well as give complete information and prices We suggest you consult the representative nearest you I I T E CIRCUIT BREAKER COMPANY SWITCHGEAR DIVISION 1900 HAMILTON STREET PHILADELPHIA PENNSYLVANIA Revised 6 63 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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