斷路器功耗、降容系數(shù)、高海拔降容
接地故障保護(hù)電路
斷路器安裝安全間隙
機(jī)械聯(lián)鎖
中性極互感器
安裝使用
24
25產(chǎn)品可提供
濕熱帶型（TH型）、低溫至-40℃斷路器。并可提供液晶顯
Products can provide hot and humid with
示及數(shù)碼管顯示斷路器。 (TH type), low temperature to -40 ℃ breaker ,also can be provided
LCDdisplayedtype andLED displayedtype.
（不適用于IT系統(tǒng)）
使用類別 B; ben'tsuitfor ITsystem
UtilizationcategoryB
可倒進(jìn)線安裝；
Can beinadverse direction;
具有隔離功能，符號(hào)“ ”；
The breaker has disconnecting function,its
correspondingsymbol isshown as“ ”
斷路器獲國家強(qiáng)制性產(chǎn)品認(rèn)證“CCC”標(biāo)志
The breakeris permitted to usetheCCCmarkingofCQC.
斷路器可在周圍空氣溫度-5℃～+40℃條件下運(yùn)行 Ambient temperature： -5℃ ～ +40℃ （ If the
tempera-tureis between +40℃ and +60℃ ,please see"
大于+40℃至+60℃見P9斷路器降容系數(shù)）； the circuit breaker capacity lower coefficient" in page
9）.
（超過2000m見P9高海拔降
(See P9 over 2000m altitude derating);
容）；
例如
例如 20℃時(shí)達(dá) 90％，對(duì)由于溫度變化偶爾產(chǎn)生的凝露，
應(yīng)采取特殊的措施 ；
Should take special measures
斷路器適用于電磁環(huán)境 A；
Thebreaker issuitableinelectromagneticenvironmentA.
The breaker should be put in the place where
斷路器應(yīng)安裝在無爆炸危險(xiǎn)和無導(dǎo)電塵埃、無足以 there isn't any explosive medium and conductive dust
and no gas which would corrode metal or distroy the
腐蝕金屬和破壞絕緣的地方； insulation.
The breaker should be installed in compartment
斷路器安裝在柜體小室內(nèi)，且加裝門框，防護(hù)等級(jí)達(dá)IP40。
of switch- board and door frame should be fixed
additionally.Protection grade isuptoIp40.斷路器功耗、降容系數(shù)、高海拔降容
POWER CONSUMPTION 、 CAPACITY LOWER COEFFICIENT
功耗 (環(huán)境溫度+40℃)
Power consumption (Ambient temp.+40℃)
三極/四極功 耗（W）Threepoles/fourpoles
型 號(hào)
Type
固定式FixedType 抽屜式Draw-outType
TRW1-2000 307.2W 452.4W
TRW1-3200 550W 877.4W
TRW1-4000 1060.8W 1468.8W
TRW1-6300 848.8W 1221.8W
功耗是在斷路器通以殼架電流Inm情況下測(cè)量的總的損耗。
PowerlossistheoverallconsunptionmeasuredwiththebreakerwhichiselectrifiedwithcurrentInm.
降容系數(shù)
CapacityLowerCoefficient
斷路器降容系數(shù) Thecircuit breaker capacity lower coefficient
環(huán)境溫度
+40℃ +45℃ +50℃ +55℃ +60℃
Environmenttemperature
2000A 1In 0.95In 0.9In 0.85In 0.8In
允許持續(xù)工作電流 3200A 1In 0.92In 0.86In 0.80In 0.74In
Permission continual
workingcurrent 4000A 1In 0.93In 0.87In 0.81In 0.75In
6300A 1In 0.93In 0.87In 0.81In 0.75In
注: 周圍空氣溫度與允許持續(xù)工作電流關(guān)系 (在各種環(huán)境溫度條件下,實(shí)測(cè)斷路器進(jìn)出線端溫度達(dá)到110℃為基準(zhǔn))
Note:Relationshipbetweenambienttemperatureandpermissioncontinualworkingcurrent(Undereachambienttemperaturecondition,
basingonthecircuitbreakerinletandoutlet'sactingtemperaturereaching110℃)
高海拔降容
Capacity-reducing For High-elevation
海拔超過適用工作環(huán)境的2000m，斷路器電氣性能可參照下表修正：
Ifelevationexceedsworkenvironment2000m,electricpropertyofcircuitbreakercancorrectaccordingtofollowingtable:
海拔（m）
2000 3000 4000 5000
elevation
工頻耐壓(V)
3500 3150 2500 2000
Power-frequency withstand voltage
工作電流修正系數(shù)
1 0.93 0.88 0.82
Correction factor of operationalcurrent
91011接地故障保護(hù)電路 EARTHED FAULT PROTECTION CIRCUIT
TRW1三極斷路器
TRW1breaker3-poles
變壓器 TN-C、TN-C-S、TN-S配電系統(tǒng)中選用TRW1三極斷
transformer 電流互感器
currenttransformer
L1 路器未接外接中性線N電流互感器
L2
L3 接地故障保護(hù)信號(hào)只取三相電流的矢量和
PEN 保護(hù)特性為定時(shí)限保護(hù)
智能控制器 Toselect TRW1three-polesbreakersforTN-C、TN-C-SandTN-S
intelligent distributionsystem,nocurrenttransformerofNpoleequippedexternally
controller
Theearthedfaultprotectionsignalonlyfromsumofvectorsoftriphase
current
Theprotectionfeatureisdefinitetimeprotection
例TN-C系統(tǒng)