Toshiba VK-6M32A Owner's manual

lvlav. 31, 2012 9:lSAlVl
TOSHIBA
No 1530 P, 2
Document; GF0776{'I-B
INSTRUGTION$
IilSTALLATION . OPEFATION . MAINTENANCE
Type VK & HVK Series Vacuum Circuit Breakers 5-15kV
APPLICABLE TYPE FORMS
(1200A) (20004) (30004)
VK.6M32A VK.6P32A
I.IVK.6M32A HVK-6P32A
VK.6M4OA VK.BP4OA
HVK-6M4OA HVK'6P4OA
VK"8M4OA VK-8P4OA VK-8O40
HVK-8M4OA HVK-8P4OA
,VK.1OM25A2 VK-1OF25A2
HVK-lOM25A2 HVK-I0P26A2
VK-10M40A VK-10P40A VK-10040
HVK-1OM4OA HVK.IOP4OA
vK-6M50 vK-6P50 VK-6050
vK-10M50 VK-10P50 VK-10()50
NOTES: t) The designation of H before vK (i€. HVKI dsnot€s that the circuit braaker unit
was assembled in the USA using domestic and foreigri components. All
' relErgnces to modal numbere in thie manual will be by the numbets following
the VK- and HVK-.
2l Thi! manuel waB writtan lor tha Toshiba typ€ form circuit brsakers listed on
thi$ page used in coniunction with Toshiba cells. For circuit brsek6rs utilized in
the convereion of othsr equipment, a supplemental i struction manu8l Should
be obEain6d from lhe conversion manufacturer.
lssued 2/95. Supemedee GF077401-A Deted 12194.

N4av. 31 2012 9: l5AlVl t0, )tu r, 1
INTRODUCTION Page i
READ THIS MANUAL carefully for imponant information about safety, handling, installation,
operation, maintenrnce, and parts replacements for spring-operation-type. VK and HVK series
vacuum circuit breake6.
This manual and all accompanying drawhg$ should b6 consid€r€d a pgrmanent paft of the equlpmgnt.
They should be readily available for /eview and reference at all timos.
DIMENSIONS shown in th€ manual are metric and/or their 1,.S. equivalgnt.
INOUIRIES should be addressed to;
Field $ervice Department
Toshiba lnternational Corporation
13.l31 West Littls York Road
Houston, Texas 77041 USA
Telephone: 1713't 466"0277
[phone]
(800) 527-12O4 (Cenada)
Fax: |'7131 466"8773
ll[ffiFiliilC-l uaa only Torhtba-authodzad rBptacamont padr.
nWiF-MiEl tiris equipment is de3igned and buitt in accordance with opptioable sttetl
etandqrds in 6l{sct on ttle date of manutactu.c. Unautho.hed modElcadonr wlll vold wattalty
and cEn ra:uh ln rwera lnJury, daath and propsrty dnmag6, Do not mak6 nny moditicadons to
thi8 ecpipmefi without tho written tpproval of Toshiba.
6 TOSHIBA INTEFNATIONAL CORPORATION, 1 995

t!1ay.31.2012 9:15Att1 No. 1510 P, 4
TABLE OF CONTENTS Page ii
SAFETY
RECEIVING,STORAGEANDHANDLING ,........,,4
Receiving and Unpacking .........4
Acc€pl6nca lnspection ,...4
Lifting for Handling and Moving " " ' 5
Stotage, ..'.". t,
lnspection During Stolage ........- 6
GENERALDESCRIPTION .,..,...7
gafety Deviceg ........' I
lnterlock Lever , , ........9
Sell Coupling Type Secondary (Csntrol Circuit) Disconngcts , . ' . . 10
INSTALLATION .,..., 11
Service Conditions .... ..'...... 11
Bating.. ...... 11
Lifting tor lnstellation ',.' 13
Using the Portable Lifter ...'.'.'. 13
Moving the Circuit Breaker in the Cell .-.....15
PRE-ENERGIZATION CHECK ..,, 18
General , .. ... . 18
Elactrical Checks . ...... t8
oPERATtoN ..,,".., 19
Manual Operation..... .'..'.". 19
Electrical Op€ration . ' ... 20
Controf Ckcult Oparation ..,. '., , ' ZO
Closing Sequence..... ..'.20
Charging Sequence '.......20
Tripping (Oponing) Saquanca ....."' 20
Mechanism Operation ....25
Closing . ,....... 25
Charging .......' 25
Tripping , ....... 25
Trip Frae .""...25
MAINTENANCE ...,,, 26
Maintenance Progtam .... 26
Maintgnanca R€cord , .," 26
Servioing Equipment ..... ?7
lnspaction and Maintenance Type3.. '..'.'.2e
lnspgction and Mainlenanc€ lnterv8ls '. ', ',. 30
Wipe Measutement ... ...... '.. 36
Vacuum Chack , ..-...' 37
Troubleshoothg Guidelines .,"".41
Replacement of Parts . ... 44
Auxiliary Switch, "'.'....45
Closing Coil and Trip Coil , .. .... ' ' ' 47
Control Citcuit Board . ..'..4S
Control Circuit Board Fuse '."' . . .. . 51
Feplacement Pans List ... 53
CoNVERS|ONS . ^.... 54
WARBANTYandLIMITATIONOFLIABILITY ..'..'' 57

tvlav 31 2012 9: l5Al!1 [1o 1530 P5
SAFETY Page 1
IITJIPO RTAI{T MESSAG ES
R€ad thls manual and follow lt3 Instruotlons. Signal words such as DANGER' WAFNING
enrf CAUTION will bB lollowsd by imponam safety information that must be catafullv
reviewed.
lndjcates a situation which will tesult in death, serious iniury, and
s€vsrB propeny damage if you do not follow instructions'
|[mmiilG"l M66n3 that you might be seriouslv iniured or killod if you do not lollow
r-:'-J instructions, S€vste property demage tflight also occur.
A CAlmOil : Mean3 that you might be injured if vou do not follow instructions.
Equipment damage might elso occur.
NOTE: Gives you nelpful informallon'
SAFETY CODE$
Comply with all applicable state and local codes' Unless $upsrssdad by etate and local
codei, adhere to all appliceble ANSI, OSHA, IEEE, NEMA and National Eteclrical Cods
{NFPA 70) and'Maintenance ProcEdures in NFPA 708 standarde. This includes sl6ndards
penalnlng to the manufaetu.e, a88embly, installation, grounding, maintananca, conversion,
lating and ope€tion of:
1 ) Metehclad switchgear
2) Power swltchge8r
3) MetaFclad snd stEtion typg cubiclE switchgsar
4) AC hiqh voltagB circuit braakers

llav. 3I 2012 0, 15AM No. 1530 P6
Page 2SAFETY
READ ALL SAFETY SIGNS
Safety slgns are placed on ths circuit
breaker for your safety and imtruction.
BeEd and follow tha instructions in this
manual and on tho safety signs locatod
on rhe equipment.
Keep the sefsty sign viaible and in good
shape,
Never removg, damag6, or covat any
safety sign.
ElDltagr|rtnfilrlclElrltr
ictllim. eemre orlanrrr lta E[Et
H^TNHEH'IE
r ArN.irfit' m,tla
tFGaHtE
. tt clal tFq-llll
i-HirdE
. DEEdtgqt trLrd
arqrc(ilt* Hlf,ln*f
a irll trdrlecEtd
hrb
. ffi lrrildr,iq ntt
!.ltffilr
*flm rrrlt r[ ffiEF]a !!
cltlrdhLilriFtLE
. btuhht!5ttrttll
dy-tCrttlUEl*'E
trf rrE t&r'ClUfiFa
'd.aEr,
. orF tFtt cF#tbr
tdfr
FEAD tt€tnrJdflol{ t&lluAl BEFoRE ATTElptlE THE FoUOlltttt pfiQOEltJfiES
uAr{rAl oFEE s PmcEDt'Ae
To $lA*E stf,Negl n .g chlrliE f5t* toqrl cevst crd hE
(t1. ii! ;htd. bro Soqbr OF..fte.
BtEa -l} t& tlF fd Dcttt unfl a cH b tLtlll
erd sEtla rr&or R.le ofiAndD g.lqr).
Rd€ ldt{e Fdt r'
ilttHr l5t rtd R€tbat 8o.ld Csnr'
1rO.La!!FSREAIGRT Fllhdlrat,(! G eJfllll Ctqi Es'b.lre
\irf, Tllql R€rd ctoeED (is0 {td OlSCt{AffiED 0rn'}
7o OPB{ BRE xE t h.lr A. TflrP gJftSL Ch * hdr..li*dor lr
Thrl h @sl (Glifit rd ol8C+lrhOED $nr.!
lfiftE fhe Folci'rn C||t R€sa h Ef,+trsr Olttqg.
o.dgidl * rlE cLodta gt tTct{ lllfi 1'lr€ drEi Er*. clllg4r'
aj-r!+*n Oa The cr.CElcc BUTllll Yflt llro wTEH.rffi lE\rEB Br*rr
D.i.doi Cl Tlta dr6 E gufltil !\{l lltelilP Jtlofi D'F t'c5'
NsnLLAfn chElaol/^l.j
ITFEATOB t{$i FFd OtSfi RaED (!lt{t} Atld OpBl GlE€o) 8.aort lttc
gr*. Cfi tf mH lllo cjr Fentle<t lErnn Tll. Ocl (ffi).

N4av. 3I 2012 9: l5AlV No 1530 P, 1
gAFETY Page 3
OUALIFIED OPERATORS OilLY
only quslified persons are to lnstall, op€rate or service this €qulpmefi accordjng to all
applicabls codes and established safgty practic6s.
A quallfle d person must:
1 ) Getelully tead th6 entlte iGtruction tnanual.
2) Be $killed in the installation, construction or opgration of the Equipment and awa/e Ol
the hazards involved.
3l Be lrainad and suthorized to $sf€ly energizB, de-enetgize, clear, ground, lockout 8nd
tag circuits ln accordEnce wilh estSbli$hed sefsty practice.
4) Be trained ahd Suthorized to parform the service, maiftenancs or rspair of this
aquipment.
5) Be trained in the proper care and use of protectiva equipment such as rubber glove$,
hsrd hat, safety glassos, face shield' flash clothing, etc. in accordance with
astabllshBd practlces.
6) Bp tr9ln6d in rendering first aid.

Nlav 31. 2012 9:15AN4 No. 1530 P. I
Page 4RECEIVING, HANDLING AND $TORAGE
RECEIVIIIo AND UIUPACKING
The clrcuh breqker unite are aubjected to
fEctory production testlng prlor to being
packed and shipped.
ACCSPTAilCE IiI$PECNON
Confirm that the circuil breake, unit is
oompleta, conect as :pecified and undamaged
trom shipment 6nd handling.
Upon recelpt of the equipmBnt, do the
following:
1) Make an lmm€diat€ ircpeclion for damag€
which miotx have occurred durlng
Ehipment (Fig. 1 ). lf damage is discove.ed,
it should be notad with th€ carrier prior to
accepting the shipment if p+asibla.
2) Carelully unpack tha aquipmant sufficiently
to cheok for missing pens or concealed
damage-
3l Keep the equipmefi upright (Flg. 2).
A CAltflOil r ltl.vat hy th6 esripmam on lia
elde or upslde dwn. Tlf$ may cause
equhmrm drmrge to occur.
4) File a claim with the csrrier for $ny
damaggd or missing itsms €nd immediately
notily the neaiest Toshlbe lnternational
Corporation representative.
IZffil oo nor i6ral or en€rllze
eqrlpmEnt trat has bcan *rflagsd. Drmegod
iquipmilt can fdl drdng operadon, tctultidg
in fire snd exploEion.
5) lf the cucuit braikor haa baen utilized for
rhe conveFion of olher equipmert, see the
CONVERSIONS S6etion ot this manual.
Cofifirm th€t yo{lr conver8ion msnufecturer
is in compliance with thi$ section.
Flg. t lnspedl for Damaga
Fi!. Z Thb Circuit Brdsk8r Bhould
Uprighr kept

llav.31 2012 9:16AM No 1530 P9
RECEIVING, HANDLING AND STORAGE Page 5
LIFTINd FOR HANDLING AND MOVING
When handllng and movlng the circuit braskdr,
rhe suspension technlques shown ln this
saction may b6 used. When installing or
removing th6 circuit braaker from the csll
above floor level, refer to the "Lifting For
I nstaltation" instructions id the I N$TALLATIO N
Sgction of thie mpnual,
ffmnlGl Do nor atbmpr instattation of
the clrouit bteaker above floot leyel u3ing the
lifting m€thod8 d€scdbed ln thls section.
Alway$ u$e e Tolhibe Portsbla Llfter for
lnstalladon,
Care and csution should ba usad when
handling the circuit breaker units to avoid
damage to tha aquipment and personal injury.
Always keep the circuit bf€aker in e genBrally
upright position.
ACAUflON ! when littlng, the oircuit
breekar vvlll tllt rllghtly backwards. Stand clear
of the bteake. whon lifting or you may be
inlured,
Always use lifting equipmant suilable for
handling ths weight of the unit. The capability
of the llfting equipment to handle the size and
weight of the ciicuit br6aker should be
confirmed prior to lifting,
A CAlmON I Attempting to menually lift
the circull bruakar csn caure ledous injury or
equiprro t damtge. Alwey: u:a eultoHe llftlng
equJpmerTt,
FlE. 3Lifting the Cirouit
Hooks. Breaker with Lifting
Fig. 4 Circuit Br6ehsr Tihing Beckward whils
Lifting.
WHEN LIFTING:
6M32A
6P32A
6M4OA
6P4OA
8M4OA
8P4OA
10M25A2
10P25A2
10M40A
10P40A
Lift ihe circuit breaker as shown ih Fig. 3 end
Fig. 4.

li1av 31 2012 9: l6AlVl Itlo, 1 13 0P t0
WHEN LIFTING:
6M50
6P50
6050
8040
Lift the circuil breaker as shown in Fig. 5.
The circuit braak€r ha,B a eet of
lifting plates as accessories. Ufting
pletes must be removed before
atterfiptlng to lnstall into c6ll.
WHEN LIFTING FOR INSTALLATION:
The VK & HVK Gircuit Breaker Types listed ln
thi$ manual us€ the procedure described in the
INSTALLATION section-
STORAGE
lf the circuit breaker is to be stored lor any
length of timB prior to installation, the
following precautiotar should be taken:
The original packing should be restor€d, lf
possibl6.
Do not subject th€ €quipmBnt to moisturB
or aun rays. srote in oool, cl6an, and dry
locetlon.
Place a dust cover over the circuit br€ak6r
packaging to prot€ct against dift and
moisture.
$tote in an upright Position.
INSPECTION OURING STORAGE
Rouine scheduled inspection ls nec6s34ry if
storage iE lor En extended period. The dlit
should b€ checked for condensation, moi$ure,
cottogion, and vermin,
ftior to instEllation, the circuit breaker should
be crrefully 6xamined lor ovidence of phy$ical
damage. cotto$ion, or othsr doteaioration.
Hof6r to thc PRE-ENERGIZATION ssctlon of
this menual.
The MAINTENANCE sEction of this manual
describes vatious typ$ of impsc.tiong
recommsndsd for this circuit breaksr durlng
the operstlon P€riod.
REGEIVING, HANDLING AND STOHAGE
t1
10040
10M50
10P50
roo50
NOTE:
Fig. 5 Lifting Circuit
Plat68, with Lifting
1)
2t
3)
4)
Fig, e Circuir Breekef S$.ag€

lvlav. 31 2012 9: 16AM No 1530 P. tl
GENERAL DESCRIPTION Page 7
The Toshiba VK & HVK Serias medium voltage
circuit breakers in thi6 manuel are dasigned for
applica offi at utilization voltages ranglno from
5 kv to 15 kV and intorrupting ratings ranging
from 250 MvA to 1000 MVA. The circuit
breakarg are inlended for use only in metal-clad
dlstriburion switchgear and other lifitited
applicttions.
Fig. 7, Fig. 8, and Fig, g illust.ate and identify
various component8 of the circuit b'eaker,
COMPONENTS LEGEND:
1 ) Handle lor moving circuit breakar
2l Secondary disconnects
3) Rsting intBrlock pin
0M/P/oF0
8040
10040
10M/P/o50
4l lnterlock lever
5) Whssl
6) Primary disconnscts
7l Barrier
Bl Rscking scrsw
9) Vacuum interrupter
1O) Flexible conductor
11) lnsulatsd opsration rod
1Zl Bating interlock plat€
6M/P32A
6M/P4OA'
10M|P25A2
10M/P40A
8M/P4OA
UBE only g€nulne Toshiba
replacBm€nt parE and accatsod68. lmproP€r
componEl'tr could cauee the citcuit breaker to
malfunction.
Fis. 8 Sids View
Fio. 7 Front Viaw
Fls, I Rear View

Mav.31 2012 9rl6AM No, 1530 P. 12
SAFETY DEI/ICES
Sat61y inr€rlockg and guards sre provid€d as
an iftegr8l pen ol th€ €quipment deslgn.
These devices are provided for your BafBty.
Never Defeat, Modfy or
Bypa* any Satety El6vlc53, lmerloeks. or
operadng mechanfim. Ttrt world make the
enripment unsati. Flre. erploCon, gevere
Ir{ury, death, and propafi damage could
occul,
nml Do not o'€rate th* equipm€nt
unle$s all soverE and panelr sr€ ln place-
A. SPRING CHARGE INTEFLOCK
With the clesing springs charged, tha
circuft break€r cannot be moved into or out
of the cell.
A steel plunger {Fig. 10} mechanically
prawms th€ breakel unit from being
withdrawn until thB closing sp ngs 8re
completely dischargod.
B. CLOSE PIN INTERLOCK
With the circuit bteaker olosed, it cannot
be mov6d betwaen the connected, test and
disconnected positiorc. Alao, it cannot be
mov6d into or aut of the cubicl6.
Th6 close pin ifiterlock (Fig. 1 1 ) is
mechanically held down, thus locking the
unit in place.
Addition€lly, a salety plats blocks the
racking handle opening to prevent insartion
0f the handle.
C. RATING INTERLOCK PIN / PI-ATE
The citcuit H€ak€r hsB sn interlock to
prevsnt the breaker fiom conn6cting to a
c€ll that hae a cominuous cufierrt reling
difterent from the circuit br6aker,
This intertock is accomplished by the rating
intarlock pin (Fig, l2) on the
8M/P/O50, 8O40. 1OO40, and
10M/P/O50.
ENERAL DESCFIPTION
Rs, 11 Typical Close Pin lntorlock
Flg. 10 TypicNl Spring Charge lntedock

Mav.31, 2012 9:i6AM No, 1530 P t3
GENERAL DESCRIPTION Page 9
Ths intddock ie accomplished by a rating
interlook plats (Fig. 1 3) on the 6MlP32A,
eMlP4OA, 19MtP2gA2, 8M/P40A and
10M/P40A.
INTENLOCK LEVER
The interlock lever (Fig. '14) on the right side of
the circuit bleaker front panal cannot be liftad
wh6n thB circuit breaket is clo$ed.
Belore lifting th€ interlock lBvsr, vsrify that the
opan-closed indicator reads "OPEN' (grosn).
when tho interlock lever is lifted, the closing
action is blocked boih electrically and
rnsch6nically.
wilh the interlock lever up. the micloswitch
(Fig, 151 is open, thus electricallY prevsnting
the circuit brsak€r from being closed.
Fig, 13 Rating lntorlock Plate
Fig, 14 lnterlock Lever

f/av 31. 2012 9:17Ah1 No, 1530 P. 14
Page 1O GENERAL DESCRIPTION
SELF COUPLINE TYPE $ECONDAEY
(col{TRor crRcurr) DrscoililEcT$
Sslt coupllng rype secondary (Control Cl.cult)
disconnects Er6 mountsd on the top of the
circuit breaker (Fig. 16). The comrol circuh ia
connected to the approp/idte $t8tionary
contacts {Fig. 17} when the citcuit breake. is
ln tbe connestsd or t6st position.
fA-l Hazardorr6 votraga, Turn otf
and Lock Out Pdmary and Control Circuit
Power B6for€ Sarvlclqg.
To snsur€ smooth connection of the self
coupllng contact8, apply a thin film ol
TOSHIBA B8 grease to th€ stationary cornacts
before insening the circuit breaker irto the cell
(cradle).
nWAf,rcl Do mt alow greese or any
od|3r aubstanccs to cortamid te insulating
mNtcriab. Colrtrmlnat d ln ulatots can allow
a shon circuit or ground fadt to occur.
Fr0. 17 Secondary Disconnecis
Flg. 16 Secondary Di8conn€ct8

lvlay. 31, 2012 9:lTAlVl No 1530 P. 1t
INSTALLATION Page 11
SERVICE CONDITTOilS
EWAEtlilG-l Do nqt ini1pll rhis aquipm.m
in areas where unurual serviae condition$
erist. Using thiE €quipm€nt ln othsr than uaual
aervlce condffod$ can relult in squipm€nt
fallura,
Toshibs VK & HVK $eri€s Circuit Brsak€rt ara
intended for use in u6ual servioe conditions as
dellndd by ANSI. The temperatule of the air
(arfibient air temp6raturs) surrounding the
Ewitchgear should be between the limits of
-3OoC l.22oF) snd +4OoC (104oF), The
altitude of the equipffient instsllation should
nor exceed 3300 ft {100o m},
IUOTE; Temperature, ehitutle ot othar
conditions outside of the usual limitt
may raquire derating or other special
equiPment. Contact ToEhiba
lntsrnational CorPoration for
additional lntormstion.
RATIIVG
Prior to ln$tallation:
The maximum fault curredt capaoily ol tho
powsr sy3t6m at thB point of installstion
should be verified. This valug must not exceed
ths symmetrical interruptino eapability ot the
circult bteaker. Fig. 18 illuetrEtes a typical
circuit breaket nameplatg and ratings.
Do not exceed the tati ga
$pecified on fi6 circult braak€r nameplate ot
aystem acces5orie5. undefrated equipment can
fail durlng oparallon caudng flre, erploaion,
sgvgrg inju . d6rth, ind proP.dy damagc,
To calculat€ .th€ required Symmetrical
lnterrupti g Capability. usatheformula in Note
4 and 5 of Table 1, All system accss9origs
Buch as surge supprasaors, lightning arlestols,
etc, should be checked to varify thsir ratingi
capacity.
Flg. 18 Typical Ciacuit Br3aker Nsmsplac

1,,1av.31. 2012 9:17AM N0. 1530 P 16
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2A
28
2E
3
3211.5 36
t6
86
3g
36
36
5S
EA
6E
roP4oA fil
lmto fl rl!-6 13.8 1066 100(l t3
IE t.0 t-0 3C
36 t5 s2o0o 3000 B7 37 a21E
15 37
g7 l7 6A
F9
lotFo
totto
iooEo
19.t
13,t
t3,8
t 000
looo
1000
16
t5
l5
! -lo
l,$
1.30
36
3!
36
s
E6 1206 2l'qt
30m s7
g7
3
I
3
2
2
i t,5
I 1,5
116
49
.t6
4E
4{
*0
46
't7
77
17
Table 1 . RATINGS
Numbol6
ITIOTES:
Basis, ANSI C37.06)
r€fer to the
r)
2l
3)
ANSI C37.OB does not define thes€
r6tings.
MEximum voltage for which lhe circuit
breaker i6 d€signed and th6 upper limit for
operation.
K ic the latio of rSted maximum vollage to
th6 lowar limit of the range ot opetating
vohage in which tha roguir€d symm€trical
and asymmefiical interrupting cap8bilitiss
vary in inv€rs€ proportion to the oper€ting
voltSge.
To obtain the requked symmetrical
interrupting capability of citcuit breaker at
an operEting voltsga betwsBn 1/K times
Irted m€ximum voltage snd ratad
maximum vohage, the tollowing formulS
shall be usBd:
Required Symmetrical lfierruptlng
(vmex)
Capability=(SCA)X*-*
(vop)
where:
SCA = Short-Circuit rms
Currant Rating from Table (kAl
Vmax= Faled Maximum rms Voltega {kV}
from Table
Vop = Measured operating voltage (kV)
5) Crlrrsnt veluas in thb column are not to be
excEeded even {or operatihg voltages
below 1/K tim6s rated maximum voltage'
For voltages bstwBsn the ratad maximum
voltage 8nd l/K times rated maximum
voltage, lollow {4) above,
4)

Nlav 31. 2012 9:liAM No. 1530 P 17
INSTALLATION Page 13
LIFTING FOF INSTALLATIOil
lJnlika the lifting procedures recommended in
the FECEIVING, STORAGE AND HANDLING
section, Lifting for lnstallation pulposas
raquires a different technique,
A Portablg liftdr ss shown ln Fig. 19 should ba
used for lhe insettion ot removal of a clrcuit
br€ak6r to th6 switchgear compartment above
floor level,
Ths ponable lifter may also be used to
trtnsport ths circuit brsakar to 6nd from th€
switchgear.
EWffiMt{6] Do not attempt to irstar ot
remova a circult breaker abova floor level from
a compartmefit by uting th6 lifting 6y68 or
plater, Ure a To5hlba portable lifter,
lIffiEl Dbcharge sprtngs compt€rcly
ffilre irHtallution.
A CAtmOil : Alwaya lnsurs the portibl€
llfter ls operated on a fififi and l€vel Surface.
USIilO THE PORTABLE LIFTER
1) $et wheel stops to the lock€d position.
2) Place the circult,brsaksr on lhs liltBr buckat
and lock in place with the inte,look pin
(Fig. 2o).
EEm[im] Do nor traffipon the circuit
breraker without th€ intsrlock pln lockad ln
place,
Flg. 19 Po*able Lifter in use
ng.2O Portable Lifter lntsrlock Pin in Placg

klay 31. 2012 9:18AM No. 1530 P 18
Page 14 INSTALLATION
lIffil Do nar rrrEport the vac.um
Clrcuh Ercaker in dle dc{iNted pocition whila
udru por$lc llfter,
3l Unlock the wheel stops and move the lifter
into position in front of the oell.
4l Before moving the citouit hreaket on or off
th6 liftor bucket, make sure that:
al The buckst tab is lowered over the sell
stud to lnsure the lifter does not movs
(Fig, 21).
b) Ths wheel stops Ere again locked.
nmmG] The porrdue riftGr must b6
s€cu]€ly flx6d to ths clrcult breaket cell befu|e
traGfcrdng the cirllir't k..ler lo or from lha
cell.
5) Ramove the circuit bteaker ifiterlock pin.
6) Follow the procedure "MOVING THE
CIRCUIT EREAKER lN THE GELL" for
insertion into the equlpment cell.
MOUNTING PADS
Some installations utilize elevated equipment
mounting pads. This ryp€ of irEtallation will
increa$e ths ovorell heigtrt of thB Bquipment,
Pads should not increa$e the equlpmsnt height
more than 6 inches, or tho ponable lifter ftay
not work. Addltlonally, mounting pads should
ext€dd no moru than 6 inches lorward of the
switchgBar.
Lifar Buckat Tab over Cell Stud
Eq, 2l

|!lav 3l. 20l2 9 r lBAM No, 1530 P 19
INSTALLATION Page 15
MOVING THE CIRCUIT BREAKER IN THE CELL
lilE@ Ftre and exptoiion harard.
Trip clrcuit ba€ekar opan and dlecharoa sptlng$
b€lore attempting lemoyil or instellation.
ITMRNINGI unh conratns powerrut
sprlngr. Discturge ep,ingc completely befora
rswlclng,
To Dkcharse $prlngs;
ln either Disconnect ot out of cell position,
Dep.ess Trlp Bjtton, then Clo3ing Button, and
Trlp Eutton again (Fig. 22).
Disconnact posltlon - The circuit breaker is first
placed into thlr posilion whsn installed into the
cBll (Fig. 231.
Fic. 22 Clrcult Breaket with
Dlscharged Springs
NOTE:
2t
1)
T6Bt Poiiffon
Disconnected
Position (Fig,
Wlth th€ closing spring charged,
the circuit brgdker cannot bB
moved into or out of the cell'
With rhe circuit breaker closed.
it cannot be moved between the
Connected, Test snd Disconnact
Positions and it cannot be
moved into ol oui of the cell,
- This position is between the
Position and th6 Connected
24t, ,Dbconnected
1)
To Move the circuir Br€akEr trom the
Dbconnact Fosltlon to Te3t Position:
Lift and hold the inlerlook lever on ths rlght
sid€ as shown in Fig. 25.
Hold both grip handles Fig, 26] and push
the circuil breaker into the cell.
2l
Whsn th6 interlock laver is released
at the predetermined position, mak€
sUrS that the interlock lever has
dropped compl€t€ly.

Nlav 31. 2012 9:IBAM No. 1530 0 1/\
Page 16 INSTALLATION
Conneated Felition - ln thia position, the
circuit breaker prim6ry disconnect bus stabs
afs conn€ctod to rhe switchgeal bus bars.
ln moving the circuit br€akdr from rhe T€st
Po€idon to trr€ Connccted Position:
1) First cheak to mak6 Eur6 th6 open-closad
indicator reads "OPEI{' (green).
Flre and erdoSlon hazard.
Trip circuit br€3kar opin b€fors attempdrig to
rack llre citcuit beaker |trto tte Conn€ct€d
Posldon,
2) Lift the ifierlock levar.
3l Ineen the racking handle as $hown in
Fig. 27.
4l Turn the handle clockwise (Fig. 28). The
cirouit breaker will move inward,
5l Stop rotating the tacking hsndle when the
raoking scr6w thread h€s cleared the
racking nw, You will heer e click sound ae
th6 arrow at the lower paft of the cirouit
brsaker comes in line whfi the red line of
the Connected Position hdicating plal6 on
tha cell floor {Fig. 29}.
Remove the racking nandle.
Check to verify rha intedock lerrer has
dropped completely.
Fig" 26 Gripping Circuit Bresker HEndles
6)
7l
Fis. 25 Lifting htarlock Lever
FlA. 27 lnsening Backing Handle

|v1av.31.2012 9:l8AlM No. 1530 P, 21
INSTALLATION Page 17
WhEn drawing out the circuit braakar from the
Connected Po6ition to th6 Teit Fosition:
1) Firit check to mako sure the open-closed
indicetor r6ads 'OPEN- {gr6sn}.
Fire and exploaion harerd.
Trlp clrcult breaket open bcfoa€ attsmptng to
r.ck th6 clrcult brraker out d th. Connected
Position.
2) Lift thB int€rlock l€v6r.
A CNfiO{ : To avold equlpme t damage,
.lo not push the clo3lng button lgrEenl whlle
thc lnterlock Lever ii l;fted.
3) lnsen the raching handle (Fig. 271,
4l Turn the racking handle coufterclookwise
to mov€ ths circuit broakBr to th8 Tert
Positj,on.
5) Stop rotating th€ racking handlo whsn the
raeking $crew thread has cleared the
racking nut, You will hear a click sound as
ths arrow at th6 lowdr pan of the circuit
breaker '$ aligned with ths rsd llne of tn6
TEst Porldon indicaiing line,
E) Rem0ve the racking handle.
7) Check to verify the lntarlock levar has
dropped completEly.
Fig- 2a Turning Racking Hendlg