Содержание SSPB 1600

Страница 1: ...ONS 5 V i i w 4 1 4 r m n V I V m f W B i V r WB 4 If jj 1 SJS 7 X 1 r 4 V A V kff sa f i H V Li V t3 u1 r 4 A K i II INSTALLATION OPERATION MAINTENANCE v i i A i vV v 800 2000 AMPS Sr THE BREAKER THAT LETS YOU CHANGEITSMIND 3Dsyu ANiA H i I If V rt t V i i i Courtesy of NationalSwitchgear com ...

Страница 2: ...circuits Devices 7 Arrangement of cubicle door 8 Static sensors 9 Setting static trip sensors 10 Current sensors 11 Padlocking 12 Key Interlocks 13 Devices 2 2 V 2 2 3 3 3 3 4 4 4 4 5 III Maintenance 1 Frequency of inspnotlon 2 Arc chutes 3 Poles 4 Breaker pole assembly 5 Auxiliary contacts 6 Devices 7 Lubrication 0 6 6 6 7 7 7 IV Adjustments and Inspections 8 12 V Replacement Procedure 13 16 VI R...

Страница 3: ...ipping bolts and orange plates should be removed and discarded C diate use must be stored in a ventilated room anc protected from dust and water by means of non absorbent covering 2 Installation of Separately Shipped Breakers Insert racking handle Into cell being installed with breaker and turn counterclockwise until cradle is in withdrawn position White lines surrounding collar of withdrawing dev...

Страница 4: ... the motor terminals may be between 90 to 110 of the rated voltage After the springs are charged the closing springs are held by an electromagnetically operated latch When the breaker is closed by depressing the manual close button located on the front escutch eon the closing latch Is displaced thereby col lapsing the springs and closing the main contacts This action is initiated with remote closi...

Страница 5: ...ually operate breakers A built in time differential of 15 milli seconds is available between contact group posi tions 1 8 and 9 16 for sequence logic Contac positions 9 16 act simultaneously with mail contacts The closing signal must be momentarily removed in order to reclose the breaker If a closing signal is maintained even when the closing spring is dis charged the breaker will automatically cl...

Страница 6: ...PB breakers are provided with means fc using a maximum of three padlocks 1 4 to 3 8 shackels to lock the breaker in the opened c tripped position To apply padlocks it is necessar to place the breaker in the tripped position b depressing the local trip buton While holding th trip button depressed withdraw horizontal ba located adjacent to trip button and apply padlock With this bar withdrawn the tr...

Страница 7: ...tting element insertion until the key has been returned to the key cylinder block Undervoltage Trip U V When the voltage sour drops below 30 of rated voltage the breaker tripped In the region of 30 to 60 of rah voltage tripping may or may not occur No tri ping action will occur when the supply voltage Shunt Trip S T This device will trip the breaker 60 to 100 of rated voltage 13 Optional Devices S...

Страница 8: ...ck gap setting of arci horns If gap exceeds 1 5mm 0 059 inches adji contacts by loosening bolt VI Fig 6 setting g to 0 9mm t 0 1mm 0 035 t 0 004 inches ai tightening bolt by torquing to 0 8mm kg 5 8 l ft Remove both fixed and movable arci horns along with insulating barriers when thicknt of arcing pads erodes to approximately 0 5m 0 020 inches Main contacts may have spots on them witho affecting t...

Страница 9: ... screws V3 Auxiliary con tacts are only found on electrically operated breakers as a standard item since one of the or friction is observed during Inspection All rubbing surfaces metal to metal are to I lubricated with a thin film of high tempcratui high pressure lubricant equal to Sylvania SSPB 0 Hardened grease and dirt should be removed I use of trichlorethylene solvent The main sha trip rod in...

Страница 10: ...0 118 t 0 020 inches before the service position stop Eliminate play by pulling on telescopic rails while making adjustments B A r i i 3 c J Fla to p VVlNJiB 2 Pole Fig 11 a Adjustment of arcing contacts With breaker In closed position bolt 3 and gap arcing contacts 3 A O w 0 a o O o o 1 o a l o II 0 Flo 11 Fig 9 b Test position Adjust the support 11 and the two screws 12 to insure the operation o...

Страница 11: ... CIS o O O ID IS U Fig 12 2 Inspection Place breaker in closed position and check to see that there is a minimum clearance of 0 5 mm 0 020 inches between the tripping striker 11 and lug 12 of the latch 13 shown in the normal position LIMIT OF WEAR 0 1 mm 0 004 inches To test tripping of breaker by the release crank place a wire hook as shown in Fig 13 and hold while applying a momentary signal of ...

Страница 12: ...elease bar in unlatched position Remove voltage and allow release bar to slowly withdraw observing b Inspection With the breaker in the open position press the trip button 23 Fig 16 and check travel of release bar Distance between maximum position of reset and latch should be 0 5 mm 0 020 inch Check play between lever 24 and adjustment screw 24 for a minimum of 0 2 mm 0 008 inch Press the push but...

Страница 13: ...back off Vi turn 2 Inspection Place breaker In latched position as illustrated In Fig 18 Check for minimum clearance of 2 mm 0 079 inch LIMIT OF WEAR Non Latching Flfl 20 B Inspection Check operation of micro switch by tripping breaker 7 Limit switch on voltage release Accessory The undervoltage release device can b equipped with two separate limit switches One will indicate when the undcrvoltag r...

Страница 14: ...4 0 016 inch Remove voltage allowing lever 59 to rise check for clearance of 0 1 mm 0 004 inch between lever 50 ond pin w 61 LIMIT OF WEAR 0 1 mm 0 004 inch 0 9 Tripping By Local Mechanical Pushbutton If the breaker is fitted with a signol system for overload and short circuit tripping with local reset adjustments should be carried out as previously outlined In other cases adjust screw 24 Fig 24 f...

Страница 15: ... 25 1 I B Arcing Contacts and Insulating Strips Fig 26 1 Arcing contacts With breaker In open position loosen retaining bolts VI and remove contact by sliding forward Replace with new contact leaving retaining bolt VI loose Close breaker and loosen bolt V2 two per contact approximately 1 5 mm 0 059 inch or until contact clears locating boss E then remove by lifting upwards Replace with new contact...

Страница 16: ... screws illustra ted in Fig 29 H Closing Solenoid Fig 31 32 Slide coil and housing from plunger Fig 31 after removing coil wires from terminal block 4 and four mounting bolts 11 Fig 32 If breaker is equipped with closing preventer which would be mountkl adjacent to the closing solenoid thecoil and housing cannot slide sideways It is G Motor Fig 30 To gain access to motor remove 3 After removing wi...

Страница 17: ...n replacing closing preventer make adjust ments as described in Chapter IV Undervoltage Lockout I m J Fixed Secondary Isolating Contact Plocks Fig 33 Removal of blocks may be simplified L by removing three screws 1 in wire guard and removing holddown screws 2 as illustrated Undervoltaga and Shunt Trip Limitswitch Fig 35 1 Limitswitch for trip indication To remo the limitswitch 28 for indicating tr...

Страница 18: ...olding coll of solenoid may be removed by breaking connections end removing screws 43 When replacing limitswitch move arma ture of solenoid to see that limitswitch does not prevent solenoid from closing Adjustment may be made by bending limitswitch lever 0 i t 1 I Courtesy of NationalSwitchgear com ...

Страница 19: ...uator 1 1 27 10 2 NO 2 NC Auxiliary Contacts 636 0000 0210 30 15 536 2000 0033 Motor 48V AC DC 30 15 Motor 110V AC DC 536 2000 0030 1 1 i 30 15 1 536 2000 0034 1 Motor 125V AC DC 30 15 1 Motor 220V AC DC 636 2000 0031 1 15 30 1 536 2000 0035 1 Motor 240V AC DC 31 16 Electromagnet 110V 80 Cy 1 1 536 2000 0040 31 16 1 Electromagnet 230V 60 Cy 536 2000 0041 1 31 Electromagnet 125V DC 16 1 536 2000 00...

Страница 20: ... VDC Undervoltege Trip Device 126 VDC Undervoltege Trip Device 240 VDC Undervoltege Time Deity Devtee 110 VAC Undervoltage Time Daley Devtee 220 VAC Undervoltage Time Deley Devtee 400 VAC Undervoltege Time Deley Devlot 40 VDC Undervoltege Time Deley Device 125 VDC Undervoltege Time Delay Davlca 240 VDC Not Shown 636 0500 3 536 0000 0002 3 636 00000003 636 0000 0004 3 630 0000 0005 3 636 0000 0001 ...

Страница 21: ... 1 1 1 1 536 0000 0200 Fixed Isolating Contacts 4 4 4 1 536 0000 0201 Moving Isolating Contacts 4 4 4 536 0800 0010 Not Shown Current Sensors 250 300 Amp 3 Not Shown 636 0800 0011 Current Sensors 600 800 Amp 3 Not Shown 536 1600 0010 Current Sensors 500 600 Amp 3 Not Shown 636 1600 0011 Current Sensors 1200 1600 Amp 3 Not Shown Current Sensors 600 800 Amp 536 2000 0010 3 Not Shown Not Shown 638 20...

Страница 22: ... ooo 50 000 60 000 85 000 114 000 22 000 50 000 50 000 85 000 114 000 22 UUO 60 000 50 000 85 000 114 000 1600 480 2000 3000 4000 800 22 000 42 000 42 000 85 000 100 000 22 000 42 000 42 000 85 000 100 000 22 000 42 000 42 000 85 000 100 000 1600 600 2000 3000 4Q00 ACCESSORIES Shunt trip Undervoltage trip Key Interlock provision on Racking Mechanism Extra auxiliary contacts up to 16 Ground fault p...

Страница 23: ... long dm delay hand RX251G M ured at lower limit of maximum Intermediate or minimum diort time and ground time delay bands at any point above pickup TABLfc A RWACC AMhcnt TAr AND GROUND riGlt Ur KANUtS PICK UP RANGE Short Term Long Term Instan taneous Circuit Breaker Typo Ground Pkk up Setting Sensor rioting TlMCS AMPERE TAf SETTING 2S0 3 A 3 3 300 A 6 6 4 PB 0 8 9 6 800 600 A 10 10 76 600 1 0 1 2...

Страница 24: ...50V A C Max Currant Resistive 5 0 2 5 Overload and Short Circuit Indication Limitswitch C 1 Load Resistive Max Volt ft 115 230V A C 110V D C 220V D C 115 230V A C 115 230V M K Currant 8A 0 5 0 2 5 3 Undervoltage Time Delay Undervoltage and Shunt Trip Indication Limitswitch C 3 C 5 Load Resistive Max Voltaga 115 250V A C 110V D C 220V D C 115 250V Q C 115 250V A C Max Currant 8A 0 6A 0 2A Reactive ...

Страница 25: ... N AC 8 n i LL t U f 4 fi I 5 tripping actuator 5 EX LM4 Um 1 2 3 N 3 4 W with ground fault protection 2 N 1 u CAUTION til 5 i Tho currant unaor on tht neutral kmv 1 u the tuppilad In tht phfMi U c v tripping actuator 3 Tha turrant aantor on tha natural but mutt t t carefully connected tor propor polarity 4 ex I LQU IQP Courtesy of NationalSwitchgear com ...

Страница 26: ...bution System with round fault protection Detection of fault Time Delay i D T 1 I l im N 2 3 Instantaneous 1 fc X a R D L 7 3 I j Short Time 2 R T H D i r t Long Time 3 3 U f r O T f M M D R S l i H I Electronic Multiplier Ground Fault rF1 W D l QGF T R C I f I i Triw n Aetata 3 EX PRINCIPLE OF OPERATION ...

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Страница 28: ... Waterbury FLORIDA Jacksonville Longwood Miami Orlando Pompano Boach St Petersburg Tampa TEXAS Dallas NORTH CAROLINA Houston Charlotte Greensboro Monroe Raleigh OHIO Cincinnati Cleveland Columbus Poland Irving Longview Lubbock San Antonio UTAH Salt Lake City Sandy VIRGINIA MechaniC5Ville Hampton Richmond WASHINGTON Seattle Vancouver WEST VIRGINIA Huntington WISCONSIN Green Bey Milwaukee PUERTO RIC...

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