本标准适用于交流50Hz或60Hz，额定电压不超过440V(相间)，额定电流不超过125A，额定短路能力不超过25000A的空气式断路器。本标准也适用于具有一个额定电流等级以上的断路器，其额定电流在正常运行时不可能从一个额定值改变至另一个额定值，而且不用工具是不能改变其额定值的。 GB 10963-1999 家用及类似场所用过电流保护断路器 GB10963-1999 标准下载解压密码：www.bzxz.net

ICS29.120.50
中华人民共和国国家标准
GB10963
idtIEC608981995
Circuit-breakers for overcurrent protectionforhouseholdand similarinstallation1999-03-23
国家质量技术监督局
1999-10-01
GB10963
+++++++++
+小++
++++++++++
GB10963
CB 109631989
GB109631989
B10963
idt（
240VI415V
IEC60038
IEC60898
IEC60898
IEC60898
230VI400V
220V/380V
IEC23E/306/CDV
B10963
IEC60898
IEC60898
GB109631989
B/T1.1—1993
220VI380
GB10963
IEC60898
23E8124
23E8132
23E203/RVD
Circuit-breakersforovercurrentprotectionforhouseholdand similarinstallation50
25000A
CB14048.2
16917.22—1997
1999-03-23
GB10963
idtIEC60898
B10963
CB16917.11997
B16917.211997
1999-10-01
CB156—1993bZxz.net
CB/T2900.18—1992
CB42081993
CB5023—1997
CB/T5169.101997
CB/T 5465.21996
GB/T13539.11992
CB 14048.21994
CB 16917.1—1997
GB10963-1999
nep IEC 60038
eqvIEV 50(441)
450/750V
epv1EC60529
idt IEC 60227
idtIEC60695-2-10
(i dt IEC 60417
71994)
neqIEC60269-1
eqvIEC60947-2
(i dt 1EC 61009-2-1
B16917.21
idt IEC 61009-1
CB 16917.221997
TEC60364
IEC 60364-4-41
ISQIEC
ISO2039/2
(i dt IEC 61009-2-2
swtching devi ce
mechani cal swi tchi ng devi cefuse
circui t-breaker (mechani cal)pl ug-in circuit-breaker
3. 2. 10.2
over current
GB10963-1999
overloadcurrent
short-ci rcui t
current
mai n circuit (of a circuit-breaker)control circuit (of a circuit-breaker)auxiliary circuit (of a circuit-breaker)pole (of a circuit-breaker)
pr ot ect ed pol e
unprotectedpol e
switchedneutral pole
cl osed posi ti on
open position
ai r t enper at ure
anbi ent air temperature
ref erence anbi ent ai r t emper at ureoperation
operat i ng cycl e
GB10963-1999
operation sequence
uni nt errupt ed dut y
nai n cont act
ar ci ng cont act
control contact
auxiliary contact
release
overcurrent
release
frelease
inver se ti ne-del ay overcurrentovercurrent rel ease
direct
overl oad rel ease
conducti ve part
exposed conductivepart
terminal
screwtypeterninal
pi ll ar t er mi nal
screwterninal
st ud t er mi nal
GB10963-1999
saddl e term nal
I ug t er mi nal
screwess terminal
pl ug-in t er mi nal
tappi ng screw
t hr ead-for ni ng t appi ng screw1
t hread- cut ti ng tappi ng screw2
closing operation
openingoperation
dependent manual
operation
independentnanual
trip-free circuit-breaker
operation
rated val ue
toacircuit-breaker)
GB10963-1999
prospectivecurrent(of acircuit,andwithrespectprospectivepeak current
maxi mumprospective peak current(of an a.c. circuit)short-circuit(naking andbreaking)capacityul timate short-circuit breaki ng capacity0.85
servi ce short-circuit breaki ng capacity0.85
breaki ng current
appl i ed vol t age
recoveryvoltage
transient recovery voltage
power-frequency recovery vol tageopeni ng ti ne
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