Cov khoom

OEM / ODM Lub Ntiaj Teb Leakage Circuit Breaker Supplier

Puas yog koj xav tau cov khoom zoo thiab ruaj khov Earth Leakage Circuit Breakers?CDADAmuaj cov kev daws teeb meem OEM customization. Raws li ib tug txhim khu kev qha chaw tsim tshuaj paus nrog peb tus kheej lub Hoobkas, peb muab 3-xyoo warranty rau peb cov khoom.


Lub Ntiaj Teb Leakage Circuit Breaker (CBR) yog dab tsi?

IbNtiaj teb Leakage Circuit Breaker (CBR), kuj hu uaLub ntiaj teb Leakage Circuit Breaker nrog Kev Tiv Thaiv Kev Tiv Thaiv Kev Tshaj Tawm (CBR) Raws li IEC 60947-2 Annex B, yog cov khoom siv tiv thaiv hluav taws xob qis uas ua keresidual tam sim no (lub ntiaj teb to) tiv thaiv nrogoverload thiab luv-circuit tiv thaiv nyob rau hauv ib qho molded case unit. Ua haujlwm ntawm qhov ntsuas voltages mus txog415V AC (50/60Hz) nrog kev ntsuas tam sim no los ntawm16A rau 800A, CBRs ua hauj lwm raws li kev tiv thaiv cov cuab yeej siv rau kev lag luam, kev lag luam, thiab cov ntawv thov tseem ceeb.

Tsis zoo li standaloneResidual Current Circuit Breakers (RCCBs)uas tsuas yog muab kev tiv thaiv hauv ntiaj teb, CBRs koom ua ke:


Thermal-magnetic los yog hluav taws xob overcurrent tiv thaiv (L-S-I nkhaus)

Residual tam sim no nrhiav tau (10mA txog 1000mA rhiab heev)

Luv-circuit breaking peev xwm mus 85kA


Kev sib koom ua ke no tshem tawm qhov xav tau ntawm kev sib cais MCB / RCCB kev sib txuas, txo qhov chaw teeb tsa thiab txhim kho kev sib koom ua ke kev ntseeg tau.


Khoom Ceg & Configurations

Kev faib tawm

Hom

Ntau yam tam sim no

Cov yam ntxwv tseem ceeb

Residual Current Type

Hom AC

16A - 800A

Txheeb xyuas qhov sinusoidal AC seem tam sim no nkaus xwb, siv hom phiaj dav dav

Hom A

16A - 800A

Pom AC + pulsating DC (rectified AC), cov khoom siv hluav taws xob niaj hnub

Sensitivity (IΔn)

Siab rhiab heev

10mA - 30mA

Kev tiv thaiv neeg ua haujlwm, chaw kho mob, chaw ntub dej

Nruab nrab rhiab heev

100mA - 300mA

Kev tiv thaiv hluav taws, kev lag luam dav dav

Tsawg Sensitivity

500mA - 1000mA

Kev tiv thaiv hluav taws nyob rau hauv high-kawg installation, xaiv kev tiv thaiv

Sijhawm ncua

Instantaneous

Txhua qhov kev ntsuas

Lub hom phiaj dav dav, <40ms ntawm 5 × Ib

Xaiv (S-Type)

100mA - 1000mA

Kev ncua ntev (130-500ms ntawm 1 × IΔn), kev sib cais sab saud 

Ncej Configuration

4-Poj

16A - 800A

Peb-theem + nruab nrab, kho qhov nruab nrab tiv thaiv (50-100%)

Mounting

Tsau

16A - 800A

Kev sib txuas ncaj qha busbar, raug nqi zoo

 

Breaking Capacity Qib:

Txheem (N)25kA - 36kA (Kev faib tawm network)

Siab (S)Kev siv hluav taws xob: 50kA - 70kA (Industrial mains)

Ultra-siab (H)Lub cev muaj zog: 85kA


Core Functions & Protection Peev Xwm

Integrated Protection Functions

Muaj nuj nqi

Detection Principple

Technical Parameters

Kev tiv thaiv overload (L)

Bimetallic thermal expansion lossis hluav taws xob RMS sensing

0.8 – 1.0 × Hauv kev teeb tsa, lub sijhawm hloov pauv, ± 10% raug

Short-Circuit Delay (S)

Hluav taws xob lub sij hawm los yog sib nqus ncua

2-10 × Hauv, 0.1s - 0.5s ncua, xaiv kev sib koom ua ke

Instantaneous Trip (I)

Sib nqus solenoid lossis hluav taws xob instantaneous

5-20 × Hauv, <20ms ua haujlwm, txwv tam sim no

Lub ntiaj teb leakage (G / Δ)

Core Balance Tam sim no Transformer (CBCT)

10mA - 1000mA IΔn, ± 10% rhiab heev raug

Av txhaum (GF)

Vector sum tam sim no sensing

20-100% ntawm Nyob rau hauv, 0.1s-1.0s ncua, core-balance method

Kev Saib Xyuas Tus Kheej

Internal Circuit Court xyuas kev ncaj ncees

Nruam CBCT thiab taug kev coil saib xyuas, ua txhaum lub tswb tawm

 

Residual Current Detection Technology

CovCore Balance Tam sim no Transformer (CBCT) los yogTom ntej: Tom ntej: Toroidal Transformer tsim lub plawv ntawm lub ntiaj teb to tiv thaiv:

Kev ua haujlwm li qub: Tag nrho cov nyob conductors (theem + nruab nrab) dhau los ntawm toroidal core. Balanced currents tsim tawm tsam cov teb sib nqus uas tshem tawm mus rau xoom net flux-tsis muaj qhov cuam tshuam tam sim no.

Fault condition: Thaum cov dej ntws tawm mus rau lub ntiaj teb (los ntawm kev rwb thaiv tsev tsis ua haujlwm lossis tib neeg kev sib cuag), qhov tsis sib xws tam sim no tsim cov hlau nplaum seem hauv lub toroidal core. Qhov no flux induces voltage nyob rau hauv lub thib ob winding, energizing ib tug rhiab relay los yog hluav taws xob mus ncig teb chaws circuit.

Cov yam ntxwv mus txawv tebchaws raws IEC 61008/61009:

1 × IB: Trip ≤ 300ms (instantaneous), ≤ 500ms (xaiv S-hom)

2 × IBn: Trip ≤ 150ms (instantaneous), ≤ 200ms (S-type)

5 × Ib: Trip ≤ 40ms (instantaneous), ≤ 150ms (S-type)


Daim Ntawv Thov Ib puag ncig & Siv Case

Kev lag luam sector

Daim ntawv thov tshwj xeeb

Hom Specifications

Data Centers

Main faib, UPS bypass, tsheb npav-coupler tiv thaiv

250A-500A, Hom A, 300mA S-hom xaiv, 70kA Icu, kev sib txuas lus

Cov Tsev Kho Mob

Tsev kho mob loj faib, kho mob IT systems, kev khiav hauj lwm theaters

100A-400A, Hom A, 10mA / 30mA siab rhiab heev, kev tshuaj xyuas kev sib cais

Kev tsim cov nroj tsuag

Cov chaw tswj lub cev muaj zog, cov khoom siv vuam, kev sib hloov ceev ceev

160A-500A, Hom B (rau VFDs), 300mA, 50kA Icu, hluav taws xob mus ncig

Cov tsev lag luam

High-rise tis, khw malls, tshav dav hlau

125A-400A, Hom A, 100mA / 300mA, 36kA Icu

Roj & Roj / Marine

Offshore platforms, drilling rigs, nkoj fais fab system

250A-500A, Hom A, 500mA, tropicalized (T2), corrosion-resistant 

 

Kev tsim khoom & Kev ua haujlwm ntau lawm

Precision Manufacturing Sequence

Raw Material IQC → Toroidal Transformer Production → Moulded Case Fabrication → Sib cuag System Assembly → Electronic Trip Unit Integration → Residual Current Module Calibration → Primary Assembly → Comprehensive Test → Final QC → Ntim


Cov theem tsim khoom tseem ceeb

Theem

Txheej txheem txheej txheem

Cov ntsiab lus tswj tau zoo

Tom ntej: Toroidal Transformer Winding

High-permeability nanocrystalline lossis ferrite core (µr> 10,000), precision winding ntawm thawj (dhau-dhau) thiab theem nrab (sensing) windings, nqus impregnation

Core magnetization nkhaus pov thawj, theem nrab voltage ntawm 1 × IΔn ± 5%, rwb thaiv tsev tsis kam> 100MΩ

CBCT Integration

Mounting ntawm toroidal core nyob ib ncig ntawm tag nrho cov theem / nruab nrab conductors, shielding tiv thaiv sab nraud magnetic teb, kev twb kev txuas mus ncig teb chaws relay / electronics

Kev ntsuas ntsuas nrog 6 × Hauv kev thauj khoom (tsis muaj teeb meem mus ncig), kev tiv thaiv rau 3rd harmonics

Residual Current Trip Mechanism

rhiab heev polarized relay (5-50mW mus txawv tebchaws lub zog) los yog hluav taws xob MOSFET trigger, mechanical coupling rau lub ntsiab mus txawv tebchaws bar

Kev kuaj xyuas lub zog, lub sij hawm teb <20ms, kub stability -25 ° C txog +70 ° C

Moulded Case Production

BMC thermosetting yas (DMC-2) txhaj tshuaj molding, 150-180 ° C kho, siab nrhiav tsis kam> 600V

Dimensional kam rau ua ± 0.1 hli, dielectric zog> 15kV / mm, nplaim retardant UL 94 V-0

Main Contact Assembly

Nyiaj-plated tooj liab (AgNi 90/10) tiv tauj, CNC-machined caj npab, brazing hauv nitrogen cua

Tiv tauj tsis kam <50μΩ, nyiaj thickness 8-12μm (XRF), hardness HV 100-150

Electronic Trip Unit Programming

Microprocessor-based LSIG + Δ tiv thaiv, firmware upload, nkhaus calibration, kev sib txuas lus raws tu qauv

± 5% qhov tseeb tam sim no, ± 10% lub sijhawm raug, ZSI (Zone Selective Interlocking) pov thawj

Kev sib xyaw zaum kawg & Calibration

Kev sib dhos ntawm thermal-magnetic los yog hluav taws xob mus txawv tebchaws nrog cov khoom seem tam sim no, kev sib cuam tshuam kev sib txuas, kov mechanism

Ua ke overcurrent + lub ntiaj teb to mus ncig ua pov thawj, dielectric withstand 3kV / 1min

 

Primary Raw Materials & Component Specifications

Cheebtsam

Khoom Specification

Tus qauv tsim khoom

Cov khoom tseem ceeb

Toroidal Core (CBCT)

Nanocrystalline alloy (Finemet) los yog Mn-Zn ferrite (PC40)

IEC 60404-8, JIS C 2531

Siab permeability µr> 10,000, qis coercivity <2A / m, saturation flux ceev> 1.2T

Sensing Coil Hlau

Enameled tooj liab hlau (0.05-0.1mm), Chav F 155 ° C

IEC 60317 (TSI)

Kev tawg voltage> 1kV, yooj> 10 × txoj kab uas hla, solderability 390 ° C

Trip Relay

Polarized latching relay, rhiab heev 5-50mW

IEC 61810: Ua

Lub sij hawm teb <10ms, coil kuj 1-5kΩ, txhua yam lub neej> 10⁶ kev ua haujlwm

Moulded Case Housing

BMC (Bulk Moulding Compound) DMC-2, iav fiber reinforced

IEC 60664-1, UL 94 V-0

Kev ntsuas ntsuas> 600V, kub tsis kam 180 ° C, cuam tshuam lub zog> 8 kJ / m²

Cov neeg tseem ceeb

Electrolytic tooj liab (Cu-ETP) + Silver-nickel plating (AgNi 90/10)

ASTM B 152

Conductivity ≥100% IACS, arc yaig tsis kam, tiv thaiv vuam khoom

Bimetallic Elements

Inconel / Passivated Steel Composite (ASTM TM2)

ASTM B 388 Cov Lus Qhia Tshwj Xeeb

Deflection tus nqi 0.15-0.25mm / ° C, lub sij hawm ntev stability ± 3%, creep kuj

Electronic Cheebtsam

Industrial-qib PCBs, Hall-effect sensors, ARM Cortex-M4 processors

IEC 60721-3-3, IEC 61000 Kev Ua Haujlwm Zoo

Ua haujlwm kub -25 ° C txog +70 ° C, EMC tiv thaiv qib 4, SIL 2 muaj peev xwm

Terminals

T2 tooj liab (C11000) nrog tin plating (8-12μm)

ASTM B187 / B16

Tam sim no ceev 1.2-1.5 A / mm², torque withstand 5-15Nm, corrosion kuj

Kev Ua Haujlwm Mechanism

Caij nplooj ntoos hlav steel (SWOSC-V) los yog stainless hlau (301)

TIAB SA 3560

Lub neej qaug zog> 20,000 cycles, tensile zog 1800-2000MPa, so <5%

 

Standards Compliance & Testing Protocols

International Standards Framework

Txuj

Scope

Kev ntsuas ntsuas

IEC 60947-2 Anex B

Circuit Breakers suav nrog cov kev tiv thaiv seem tam sim no (CBR)

Muaj CBRs> 80A, kev tiv thaiv zoo

TS EN 60947-2

IEC 60947-2 European kev sib haum xeeb

CE cim, EU kev ua lag luam ua raws

GB/T 14048.2

Suav teb tus qauv sib npaug

CCC daim ntawv pov thawj, Tuam Tshoj ua lag luam

 

Yam yuav tsum tau ua (IEC 60947-2 + Annex B)

Qeb xeem

Kev Xeem Tshwj Xeeb

Kev lees txais

Residual Current Performance

Tripping lub sij hawm ntawm 1 × IΔn, 2 × IΔn, 5 × Ib

≤300ms, ≤150ms, ≤40ms (instantaneous); S-hom: ≤500ms, ≤200ms, ≤150ms

Tsis-tripping ntawm 0.5 × Ib

Tsis mus txawv tebchaws rau 2 × rated ncua sij hawm

Surge tam sim no tiv taus (8/20μs, 3kA)

Tsis muaj kev ntxhov siab, Hom A: 250A impulse, Hom F: 1000A, Hom B: 3000A

Kev tiv thaiv overcurrent

Kub nce ntawm rated In

Terminals ≤80K, rooj plaub ≤40K

Kev tawg luv luv (Icu / Ics)

3 kev ua haujlwm, kev cuam tshuam zoo, dielectric rov qab

Kev txheeb xyuas qhov nkhaus (L-S-I)

± 10% qhov tseeb tam sim no, ± 20% lub sijhawm raug

Dielectric Properties

Fais fab zaus tiv taus (2.5kV-3.5kV / 1min)

Tsis muaj kev tawg, tsis muaj flashover

Impulse tiv taus (8kV 1.2 / 50μs)

Tsis muaj kev cuam tshuam kev tso tawm

Mechanical & Environmental

Mechanical endurance (10,000-20,000 cycles)

<5% parameter drift, tsis ua haujlwm

EMC kev tiv thaiv (IEC 61000-4 series)

Tsis muaj kev cuam tshuam los ntawm hluav taws xob / ua cuam tshuam 

 

Factory Quality Control & Inspection Standards

Cov khoom xa tuaj QC (IQC)

Khoom siv

Cov khoom soj ntsuam

Sampling Plan

Khoom siv

Toroidal cores

Sib nqus permeability, saturation flux, core poob

Ib pawg, B-H nkhaus kuaj

B-H analyzer, impedance analyzer

Sensing kab

Txoj kab uas hla, rwb thaiv tsev thickness, tawg voltage

TSI 0.65

Micrometer, dielectric tester

BMC yas compound

Cov ntsiab lus iav, viscosity, kho cov yam ntxwv, taug qab qhov ntsuas

Ib pawg, COA + kuaj

Rheometer, DSC analyzer, nrhiav cov cuab yeej ntsuas

Silver plating daws

Hlau concentration, pH, impurities

Kev saib xyuas txhua hnub

Atomic nqus spectrometer

Cov khoom siv hluav taws xob

Function test, parameter verification, firmware version

100% AOI, 5% ua haujlwm

LCR ntsuas, oscilloscope, ciam scan

 

In-Process Quality Control (IPQC)

Chaw nres tsheb

Tswj Parameters

Ntau zaus

Txoj kev

Toroidal transformer winding

Hloov piv, inductance, rwb thaiv tsev tsis kam

Txhua chav

LCR meter, rwb thaiv tsev tester

CBCT sib dhos

Ntsuas ntsuas nrog ntsuas load, tiv thaiv kev sib haum xeeb

Txhua 100 units

Kev txhaj tshuaj thawj zaug, lub tshuab hluav taws xob sib haum xeeb

Residual tam sim no calibration

Kev mus ncig pib ntawm IΔn, lub sijhawm teb, tsis mus ncig ntawm 0.5 × Ib

Txhua chav

Tsis siv neeg RCD tester (0.5-1000mA programmable)

Kev sib cuag tseem ceeb

Kev sib chwv sib txawv, siab, sib dhos, tsis kam

Txhua 100 units

Lub zog ntsuas, micro-ohmmeter

Kev koom ua ke zaum kawg

Ua ke overcurrent + lub ntiaj teb to mus ncig xyuas xyuas

Txhua chav

Integrated xeem lub rooj ntev zaum (thawj txhaj tshuaj + to simulation)

 

Kev Tswj Xyuas Qhov Kawg (FQC) & QC (OQC)

Cov khoom kuaj

Txuj

Qauv Loj

Residual tam sim no mus txawv tebchaws

1 × IB, 2 × IΔn, 5 × IΔn rau IEC 61008/61009

100%

Kev xeem tsis mus ncig ntawm 0.5 × Ib

2 × ntsuas ncua sij hawm

100%

Overcurrent trip curve

1.05 × 1.25 × 1.5 hli

100%

Dielectric tiv taus voltage

2.5kV AC / 1 feeb

100%

Rwb thaiv tsev tsis kam

> 100MΩ @ 500V DC

100%

Tiv tauj tiv thaiv

<50μΩ ib tus ncej

100%

Torque marking pov thawj

Terminal tightening ib specification

100%

Visual & Dimension soj ntsuam

Zero defects ntawm qhov tseem ceeb qhov ntev

100%

Marking nyob mus ib txhis

Solvent so, abrasion test

AQL 1.0

Ntim kev ncaj ncees

Poob xeem, kev vibration (ISTA 3A)

Rau ntau 

 

Kev Tsim Nyog Infrastructure & Manufacturing Capability

Cov cuab yeej tsim khoom siab heev

Qeb khoom siv

Tshuab Specification

Muaj nuj nqi

Muaj peev xwm

Toroidal Winding tshuab

Automated toroidal winding nrog kev tswj nruj

CBCT thawj/secondary winding, precision txheej

5,000 transformers / hnub

Core Annealing Rauv

Nqus annealing nrog nitrogen cua

Nanocrystalline tub ntxhais kev kho cua sov, txo kev ntxhov siab

2,000 cores / batch

Txhaj Molding

300-tuj BMC thermosetting xovxwm

CBR vaj tse, arc chute, terminal blocks

3,000 tus neeg/hnub

CNC Machining

5-axis ntsug machining chaw

Precision hu machining, complex geometry

8,000 tiv tauj teeb / hli

Kev kho saum npoo

Automated nyiaj plating kab

Tiv tauj plating 8-12μm, thickness uniformity ± 1μm

4,000 kg / hnub

Kev sib dhos

Cov kab mob sib xyaw ua haujlwm

Mechanism los ua ke, CBCT kev koom ua ke, calibration

1,500 units / hnub ib kab

Cov khoom siv kuaj

Integrated CBR xeem lub rooj ntev zaum

Ua ke overcurrent + residual tam sim no pov thawj

300 units / teev

 

EMC xeem Chamber (3m / 10m, Teseq)

Kev ntsuas kev tiv thaiv / emission rau cov khoom siv hluav taws xob

50 units / hnub

 

Muaj Peev Xwm Ntau Lawm & Lub Sijhawm Lead

Yam khoom

Muaj peev xwm txhua hli

Standard Lead Time

Ceev Order Muaj peev xwm

CBR 4P (16A-125A) Lub cev muaj zog

10,000 units

4-5 lub lis piam

3 hnub (cov khoom hauv Tshuag)

CBR muaj (160A-400A)

8,000 units

4-5 lub lis piam

5 hnub

CBR Hnyav Industrial (630A-800A)

3,000 units

4-5 lub lis piam

7 noj

Kev cai configurations (tshwj xeeb IΔn, nkhaus)

Qhov project hauv paus

5-6 lub lis piam

2 lis

 

Engineering & Technical Team Structure

Department

Cov neeg ua haujlwm

Kev txawj ntse

Lub luag haujlwm

R & D Engineering

5 cov engineers

Residual tam sim no technology, sib nqus sensor tsim, embedded systems, hwj chim electronics

Kev tsim kho tshiab CBR, Hom B / F / B + kev tsim kho tshiab, patent portfolio (40+ patents)

Txheej Txheem Engineering

18 engineers

Toroidal transformer manufacturing, BMC molding, precision sib dhos, lean manufacturing

Kev tsim kho kom zoo, SOP cov ntaub ntawv, kev txhim kho cov txiaj ntsig (> 99.5%)

Kev xeem & validation

15 engineers

Kev sim siab tam sim no, qhov seem tam sim no simulation, EMC, kev sim ib puag ncig

Kev sib koom ua ke ntawm hom kev xeem (IEC 60947-2 Annex B, IEC 61008/61009), tsis ua haujlwm tsom xam

Application Engineering

10 engineers

Kev xaiv kev sib koom ua ke, cov phiaj xwm kev tiv thaiv hauv ntiaj teb, EV / daim ntawv thov txuas ntxiv

Kev txhawb nqa cov neeg siv khoom, kev tshawb fawb txog kev ntxub ntxaug, kev ua haujlwm ntawm qhov chaw

Quality Assurance

30 tus kws tshaj lij

ISO 9001, ISO 14001, statistical process control, metrology laboratory

Kev soj ntsuam ntawm tus neeg muag khoom, kev tshuaj xyuas cov txheej txheem, kev kho kom raug, kev tswj xyuas qhov ntsuas 

 

Daim ntawv pov thawj & Cov ntaub ntawv ua raws cai

Daim ntawv pov thawj

Muab Lub Cev

Scope

Kev siv tau

ISO 9001: 2015

ZHONGDA HUAYUAN

Kev tswj hwm zoo

Kev soj ntsuam txhua xyoo

IEC 60947-2 Annex B Hom Kev Xeem

Intertek

CBR kev lag luam kev ua haujlwm

Ib yam khoom series

CE Marking

Ceeb Toom Lub Cev

EU kev lag luam nkag

Tsim-dependent

CCC (Tuam Tshoj)

CQC

Suav daim ntawv pov thawj

5-xyoo lav

CB Scheme

IECEE

International ntawv pov thawj

Ib yam khoom series

 

Vim Li Cas Peb CBR Manufacturing sawv sib nrug

Peb qhov chaw tsim khoom sawv cev40 xyoo kev tshwj xeeb nyob rau hauv seem tam sim no thiab lub ntiaj teb leakage tiv thaiv technology, xa CBRs uas tshaj ntiaj teb no cov qauv los ntawm:

 

Toroidal transformer kev txawj ntse: Hauv tsev nanocrystalline core ntau lawm, precision winding automation, thiab kev CBCT kuaj xyuas kom ntseeg tau <± 5% rhiab heev

Vertical kev koom ua ke: Los ntawm cov khoom siv tseem ceeb rau kev sib dhos zaum kawg, ua tiav kev tswj xyuas cov khoom tseem ceeb (toroidal transformers, hluav taws xob mus ncig ua si, cov rooj plaub molded)

Advanced xeem infrastructure: $ 3M + nqis peev rau hauv kev sib koom ua ke CBR cov tshuab muaj peev xwm ntawm kev tshawb nrhiav ib txhij overcurrent thiab residual tam sim no, Hom B DC rhiab heev kuaj, thiab EMC ua raws

Ntiaj teb no daim ntawv pov thawj zoo: Ntau tus qauv ua raws li kev ua lag luam seamless nkag mus thoob 100+ lub teb chaws yam tsis muaj kev sim rov qab

 

Rau cov kev qhia tshwj xeeb, kev xaiv kev sib koom tes, kev taw qhia daim ntawv thov hom B, lossis lub sijhawm kuaj xyuas lub Hoobkas, peb pab pawg neeg tsim khoom muab kev sib tham ncaj qha los xyuas kom meej tias koj lub ntiaj teb kev tiv thaiv kev tsim vaj tsev ua tau raws li cov neeg ua haujlwm kev nyab xeeb thiab cov hom phiaj ua haujlwm txuas ntxiv.

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AC Hom Circuit Court Breaker nrog Residual Tam Sim No Ua Haujlwm

AC Hom Circuit Court Breaker nrog Residual Tam Sim No Ua Haujlwm

CDADA, lub chaw tsim khoom lag luam nrog 40+ xyoo ntawm kev paub, tuaj yeem muab cov khoom zoo AC HOM Circuit Breaker nrog Residual Current Operation (DAM1L). 4P, 10-500A, CE / CB / SEMKO tau ntawv pov thawj. Muaj tseeb AC-hom CBR rau sinusoidal to xwb. Zoo tagnrho rau tsev nyob & muaj hluav taws kub / tiv thaiv tus kheej.
CDADA yog Ntiaj teb Leakage Circuit Breaker cov chaw tsim khoom thiab cov chaw muag khoom hauv Suav teb. Peb lub Hoobkas ua haujlwm rau ntau hom kev lag luam xws li lub tshuab hluav taws xob, lub tsev automation, thiab kev tsim khoom lag luam, muab cov kev daws teeb meem OEM / ODM hloov tau.
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Peb siv cov ncuav qab zib los muab koj cov kev tshawb fawb zoo dua, txheeb xyuas qhov chaw khiav tsheb thiab kho cov ntsiab lus tus kheej. Los ntawm kev siv lub xaib no, koj pom zoo rau peb siv cov ncuav qab zib.Txoj Cai Tswjfwm Ntiag Tug
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