Durable Molded Case Circuit Breaker Factory
CDADAinyanzvi inogadzira uye mutengesi weMolded Case Circuit Breakers. Ichi chigadzirwa chakatevedzana chinoumba chimwe chezvipo zvedu zvepakati, zvinotsigirwa nemakore makumi mana echiitiko kubva pakuvamba kwedu. Nehuwandu hwakakwana hwemamodheru anoenderana neakawanda zviyero, vatengi vepasi rose vanogona kusarudza zvigadzirwa zvedu nechivimbo chakakwana.
Chii Chinonzi Molded Case Circuit Breaker?
A Molded Case Circuit Breaker (MCCB)icompact, yakavharirwa yakaderera-voltage dziviriro mudziyo wakagadzirirwa kuchengetedza magetsi ekugovera masisitimu kubva pakuremerwa, maseketi mapfupi, uye kutadza kwepasi. Yakaputirwa mukati athermosetting plastiki imba, MCCBs inoshanda pa rated voltages kusvika690V AC (50/60Hz)nezviyero zvazvino kubva10A kusvika 2000A, kushanda sechishandiso chekudzivirira chinoshanda mumaindasitiri, kutengeserana, uye zvivakwa zvekushandisa.
Iyo inotsanangura maitiro eMCCBs iri mune yavokugadzirwa kwekesi yakaumbwa-yakakwirira-yakasimba thermosetting plastiki enclosure inopa Class II insulation (double insulation) pakati pehupenyu hwemukati zvikamu uye kunze kwekushanda kwekushanda. Iyi dhizaini inochengetedza kuchengetedzwa kwemushandisi uchichengetedza compact dimensions uye yakakwirira yekutyora masimba kusvika100kA pa380/415V.
KusiyanaAir Circuit Breakers (ACBs), maMCCBs anoratidzayakagadziriswa, isingagadziriswi magadzirirwo(munguva zhinji) ine yakavharwa nzira dzemukati, ichipa inodhura-inoshanda kuchengetedzwa kwemasekete ekugovera maseketi uko kunogara kusingatarisirwi kuwana.
MCCB Product Categories & Configurations
| Classification | Type | Current Range | Hunhu Hunokosha |
| Rwendo Unit Technology | Thermal-Magnetic | 10A - 800A | Bimetallic overload + magnetic short-circuit, fixed/adjustable settings, economical |
| Electronic LSIG | 100A – 2000A | Microprocessor-yakavakirwa, inogadziriswa macurves, kutaurirana-kugona, kwakanyatso kuchengetedzwa | |
| Installation Nzira | Fixed | 10A - 2000A | Yakananga busbar yekubatanidza, kuisirwa zvachose, mutengo wakaderera |
| Plug-in | 100A – 1600A | Base-yakaiswa muviri, inobvisirwa kugadzirisa, yakaderedzwa nguva yekudzikira | |
| Withdrawable | 250A – 2000A | Draw-out mechanism, kugona kwekuzviparadzanisa nevamwe, zvivharo zvekuchengetedza | |
| Pole Configuration | 2-Bango | 10A - 800A | Single-phase systems, DC applications |
| 3-Bango | 10A - 2000A | Yakajairwa matatu-chikamu maindasitiri application | |
| 4-Bango | 16A - 2000A | Matatu-chikamu ane kuchengetedzwa kwaakarerekera, anogadziriswa asina kwaakarerekera marongero (50-100%) | |
| Breaking Capacity | Chimiro (S1) | 16kA - 50kA | General distribution, low fault level network |
| Pamusoro (H1) | 65kA - 85kA | Industrial mains, mota control centers | |
| Yepamusoro-soro (H2/H3) | 100kA - 200kA | Kugadzira magetsi, indasitiri inorema, zvivakwa | |
| Selectivity Category | Chikamu A | ≤400A | Hapana nemaune kunonoka kwenguva pfupi, rwendo rwepakarepo |
| Chikamu B | ≥400A | Kumira kwenguva pfupi (Icw), kusarudza kuronga nekunonoka |
Frame Size Architecture:
Compact Frame: 10A - 160A (Panelboard mounting, DIN njanji inoenderana)
Medium Frame: 160A - 630A (Motor dziviriro, mabhodhi ekugovera)
Yakakura Frame: 630A - 1600A (Kugovera kukuru, masisitimu ebhasi)
Maxi Frame: 1600A - 2000A (Infrastructure, simba rekugadzira)
Core Mabasa & Dziviriro Mano
Basic Protection Mabasa
| Function | Mechanism | Technical Parameters |
| Kudzivirira Kwekuwedzeredza (L) | Bimetallic strip thermal expansion | 0.7 - 1.0 × Mukugadzirisa, inverse time curve, 40°C reference ambient |
| Short-Circuit Instantaneous (I) | Electromagnetic solenoid plunger | Yakagadziriswa: 5-10 × Mu, Inogadziriswa: 2-15 × In, <20ms kushanda |
| Kunonoka-Kutenderera Kwedunhu (S) | Electronic timing circuit | 0.1s - 0.5s kunonoka, 2-10 × Mukugadzirisa, kusarudza kuronga |
| Ground Fault (G) | Vector sum current sensing | 20-100% yeIn, 0.1s-1.0s kunonoka, core-balance kana nzira yakasara |
| Current Limiting | High-speed repulsion contact system | <10ms nguva yekuvhura (≤630A), <15ms (≤1600A), rega-kuburikidza nekudzikisa simba |
| Undervoltage Release | Voltage inonzwa coil | 35-70% Un tripping, 0.1s-3s inogadziriswa kunonoka |
Yepamberi Yemagetsi Yerwendo Chikamu Zvimiro
Mazuva ano microprocessor-based kuburitswa kunopa:
Chokwadi RMS inonzwa: Kuyera kwakaringana kweakakanganiswa waveforms
Zone Selective Interlocking (ZSI): Bhasi-tie uye inopinda mudziyo kurongeka
Communication protocols: Modbus, Profibus, Ethernet/IP, BACnet kubatanidzwa
Power quality monitoring: Voltage, ikozvino, simba chinhu, harmonics, simba metering
Predictive kuchengetedza: Bata kupfeka chiratidzo, kushanda counter, tembiricha yekutarisa
Mamiriro ekushandisa & Mamiriro Ekushandisa
| Indasitiri Sector | Specific Application | Typical Specifications |
| Zvivako zvekutengesa | Mapuranga makuru ekugovera, mapaneru, maroja metering | 125A-800A, thermal-magnetic, plug-in, 25-65kA Icu |
| Data Centers | UPS kugovera, PDU kuchengetedzwa, bhasi tap-offs | 250A-1600A, yemagetsi LSIG, 100kA+ Icu, kutaurirana-inogonesa |
| Manufacturing Plants | Motor control nzvimbo, muchina maturusi, welding midziyo | 63A-630A, mota dziviriro macurves, ikozvino kudzikira, 65kA Icu |
| Mafuta & Gasi | Drilling rigs, refineries, offshore mapuratifomu | 400A-1600A, tropicalized (T2), inodzivirira kuora, 85kA Icu |
| Renewable Energy | Solar musanganisi mabhokisi, mhepo turbine switchgear, bhatiri kuchengetedza | 250A-1250A, 1000V DC inokwanisa, yakawedzera tembiricha yakasiyana (-25°C kusvika +70°C) |
| Infrastructure | Metro traction simba, airport baggage masisitimu, kurapwa kwemvura | 800A-2000A, inobviswa, yakakwira mechaniki kutsungirira (10,000+ kutenderera) |
| Nezveutano | Chipatara chikuru kugovera, mishonga yekufungidzira yekurapa, simba rekukurumidzira | 400A-1600A, 4-danda ine kwayakarerekera kudzivirira, mbiri-sosi yekufambisa inoenderana |
Manufacturing Process & Production Workflow
Precision Manufacturing Sequence
Raw Material IQC → Thermosetting Plastic Molding → Bata Sistimu Yekugadzira → Arc Chute Gungano → Mechanism Integration → Rwendo Unit Kuisirwa → Yepuraimari Gungano → Calibration & Kuedza → Yekupedzisira QC → Packaging
Akakosha Manufacturing Matanho
| Danho | Process Details | Quality Control Points |
| Thermosetting Plastic Molding | BMC (Bulk Molding Compound) jekiseni rekuumba pa150-180 ° C, 1500-3000 bar pressure, 60-120s kurapa nguva. | Dimensional kushivirira ± 0.1mm, kupera kwepamusoro Ra 1.6, indekisi yekutevera> 600V, UL 94 V-0 kupisa |
| Contact System Fabrication | Silver-plated copper contacts (AgNi 90/10 kana AgCdO), CNC-yakagadzirwa nemaoko maoko, inopenya munitrogen atmosphere. | Sirivha ukobvu 8-12μm (XRF yakasimbiswa), kuonana kuramba <100μΩ, kuoma HV 100-150 |
| Arc Chute Kuvaka | Steel splitter plates (ferromagnetic), ceramic arc grids, deionizing chambers, optimized arc runner geometry. | Magnetic flux density verification, dielectric simba 2.5kV, dimensional kuenderana ± 0.05mm |
| Operating Mechanism Assembly | Chitubu chesimbi yekuchaja masisitimu, kukurumidza-kugadzira / nekukurumidza-kupwanya masisitimu, rwendo-yemahara kupfuura, zvitubu zvekuchengetedza simba. | Torque kuenderana ± 5%, kutsungirira kwemagetsi 10,000 mitsetse, simba rekufamba 5-15N |
| Rwendo Unit Integration | Thermal bimetal calibration (Inconel/copper), magnetic coil winding, electronic PCB assembly, firmware programming | Nguva-yazvino curve verification, ± 10% ikozvino kunyatsoita, ± 20% nguva chaiyo pa 2 × In |
| Gungano Rokupedzisira | Modular kuvaka, terminal torque yekumaka, chisimbiso chekugadzirisa zvivharo, kubata michina yekubatanidza | Dielectric inomira 3kV/1min, insulation kuramba> 100MΩ, kuonana kurongeka kwekuongorora |
Primary Raw Materials & Component Specifications
| Chikamu | Kutsanangurwa Kwezvinhu | Supplier Standards | Key Properties |
| Molded Case Housing | BMC (Bulk Molding Compound) DMC-2 kana SMC fiberglass-yakasimbiswa polyester | IEC 60664-1, UL 94 V-0 | Indekisi yekutevera> 600V, kupisa kupisa 180°C, dielectric simba>15kV/mm |
| Main Contacts | Electrolytic mhangura (Cu-ETP) C11000 + Silver-nickel plating (AgNi 90/10) | ASTM B152, IEC 60368 | Conductivity ≥100% IACS, arc erosion resistance, oxidation kugadzikana |
| Arcing Contacts | Silver-tungsten carbide (AgWC 70/30) kana Copper-tungsten (CuW 80/20) | ASTM B702 | Yakakwira arc erosion kuramba, yakaderera welding maitiro, kuonana kuramba <200μΩ |
| Bata Springs | Beryllium mhangura (CuBe2 C17200) kana Stainless simbi 301 | ASTM B196, ASTM A240 | Hupenyu hwekuneta > 20,000 kutenderera, kunoenderana kusangana kumanikidza 8-12N/mm² |
| Arc Splitter Plates | Inotonhora-yakakungurutswa simbi SPCC-SD ine ceramic coating | JIS G 3141 | Magnetic permeability> 2000, kupisa kupisa> 1000°C, arc quenching kunyatsoita |
| Operating Springs | Oiri-hasha kabhoni simbi SWOSC-V kana 17-7PH Stainless simbi | JIS G 3560 | Tensile simba 1800-2000MPa, kuzorora kuramba <5% pamakore makumi maviri |
| Bimetallic Elements | Inconel/copper composite (ASTM TM2) kana Passivated simbi/ndarira | ASTM B388 | Deflection rate 0.15-0.25mm/°C, kugadzikana ± 3% pamakore makumi maviri |
| Electronic Components | Maindasitiri-giredhi maPCB, Hall-effect sensors, ARM Cortex processors | IEC 60721-3-3, IEC 61000 | Kushanda tembiricha -25°C kusvika +70°C, EMC kusadzivirirwa Level 3 |
| Zviteshi | T2 mhangura (C11000) ine tin kana nickel plating | ASTM B187 | Yazvino density 1.2-1.5 A/mm², torque inomira 15-50Nm |
Mitemo Yekutevedzera & Kuedza Protocol
International Standards Framework
| Standard | Scope | Inoshanda Ratings |
| IEC 60947-2 | Low-voltage switchgear - Circuit-breakers | Global baseline yeMCCB dhizaini, kuita, kuyedzwa |
| EN 60947-2 | European harmonized version | CE yekumaka, EU musika kutevedzera |
| GB/T 14048.2 | Chinese national standard yakaenzana | CCC certification, China musika |
Mandatory Type Tests (IEC 60947-2)
| Test Category | Specific Test | Maitiro ekugamuchira |
| Dielectric Performance | Simba-frequency kutsungirira (2kV-3kV/1min) | Hapana kuparara, hapana flashover, leakage ikozvino <2mA |
| Kupesvedzera kushingirira voltage (8kV 1.2/50μs) | Hapana kukanganisa kubuda | |
| Tembiricha Kukwira | Inoenderera ikozvino payakayerwa In | Zviteshi ≤80K (silver-plated), ≤65K (mhangura isina chinhu), kesi ≤40K |
| Short-Circuit Breaking | Ultimate breaking capacity (Icu) - 3 mashandiro | Kukanganisa kwakabudirira, hapana kukuvara zvachose, dielectric kupora |
| Sevhisi yekutyora simba (Ics = 50-100% Icu) | 3 mashandiro, kuenderera mberi kwebasa, kubata kupfeka <50% | |
| Kutsungirira Kwenguva Pfupi | Icw ye0.5s kana 1s (Chikamu B chete) | Hapana deformation, yekubata welding, kana insulation kukuvara |
| Mechanical Endurance | Hapana-mutoro mashandiro (kazhinji 8,000-20,000 macycles) | <5% parameter dhirivha, hapana kutadza kwemuchina, torque kuenderana |
| Kutsungirira Kwemagetsi | Rodha mabasa panguva yakayerwa ikozvino (kazhinji 1,000-6,000 ma cycles) | Kubata kupfeka <50%, maitiro erwendo akachengetedzwa |
| Trip Unit Verification | Overload kusunungurwa pa 1.05 × In (hapana rwendo), 1.3 × In (rwendo <2h) | Zvakajairwa rwendo nguva kutevedzera |
| Short-circuit kuburitswa pa5 × In, 10 × In | Pakarepo kushanda <0.1s | |
| Current Limiting | Kutendera-kuburikidza nesimba (I²t) ongororo | Peak ikozvino kugumira, kuderedza simba vs |
Factory Quality Control & Inspection Standards
Incoming Material QC (IQC)
| Material | Zvinhu Zvokuongorora | Sampling Plan | Equipment |
| BMC plastiki musanganiswa | Girazi fiber yemukati, viscosity, kurapa maitiro | Per batch, COA verification | Rheometer, DSC analyzer |
| Copper contacts | Kuchena kwemakemikari (≥99.9%), conductivity, kuoma | AQL 0.65, ISO 2859 | Spectrometer, conductivity mita |
| Silver plating | Ukobvu 8-12μm (XRF), adhesion (tepi bvunzo), porosity | 100% kuona, 5% XRF cheki | X-ray fluorescence, metallurgical microscope |
| Bimetallic mitsetse | Deflection rate, kugadzikana, kuramba | Per batch, sampuli yekuyedza | Thermal oven, resistance bridge |
| Simbi zvikamu | Kuoma HRC 38-45, dimensional kushivirira | AQL 1.0 | Rockwell hardness tester, CMM |
| Electronic components | Basa rekuedza, parameter verification, solderability | 100% AOI, 5% inoshanda | LCR mita, oscilloscope, X-ray kuongorora |
In-Process Quality Control (IPQC)
| Chiteshi | Kudzora Parameters | Frequency | Nzira |
| Jekiseni kuumba | Tembiricha 150-180 ° C, kumanikidza 1500-3000 bar, kurapa nguva | Kutenderera kwese | SCADA yekutarisa, SPC machati |
| Bata musangano | Bata gap, kumanikidza, kurongeka, sirivheri ukobvu | Ese zana mayunitsi | Kumanikidza geji, Optical comparator, XRF |
| Arc chute musangano | Splitter plate spacing, magnetic circuit kutendeseka | Ese makumi mashanu mayuniti | Go/no-go geji, flux density mita |
| Mechanism calibration | Spring charge simba, rwendo-yemahara basa, shandura mashandiro | Chikwata chese | Automated test bhenji, kumanikidza-kutamisa macurves |
| Trip unit test | Nguva-yazvino curve verification, ambient muripo | 100% | Yekutanga jekiseni test set (500A-10,000A), kutema data |
In-Process Quality Control (IPQC)
| Test Item | Standard | Saizi Saizi |
| Dielectric inomira voltage | 2.5kV AC/1min (≤690V yakayerwa) | 100% |
| Insulation resistance | >100MΩ @ 500V DC | 100% |
| Bata kuramba | <100μΩ padanda payakatemerwa In | 100% |
| Kubata nguva | Kuvhara / rwendo nguva, mechanical kutsungirira 5 mitsetse | 100% |
| Trip curve verification | 1.05×In (no trip), 1.3×In or 2.5×In (trip) | 100% |
| Visual & dimensional kuongorora | Zero defects pane dzakakomba zviyero (IP chiyero, kumaka) | 100% |
Production Infrastructure & Manufacturing Capability
Advanced Production Equipment
| Equipment Category | Muchina Specification | Function | Capacity |
| Thermosetting Injection Molding | 300-ton BMC jekiseni press (Buhler/Engel) | MCCB kesi, chivharo, arc chute kugadzirwa kwedzimba | 2,000 makesi / zuva |
| CNC Machining Center | 5-axis yakatwasuka machining centre (Mazak/DMG Mori) | Precision yekubata machining, yakaoma geometries | 8,000 yekuonana seti / mwedzi |
| Stamping & Kugadzira | 100-ton progressive die press | Copper busbar kuumba, kubata chitubu kugadzirwa | 15,000 zvikamu / zuva |
| Surface Treatment | Automated sirivheri plating line | Bata plating ukobvu kudzora 8-12μm | 3,000 kg / zuva |
| Assembly | Masero egungano rebasa | Mechanism musangano, kuenderana kwakakosha mashandiro | 1,000 zvikamu / zuva pamutsetse |
| Testing Equipment | Primary injection test set 10,000A capacity | Yepamusoro-ikozvino rwendo verification, curve kurekodha | 300 zvikamu / zuva |
| Mechanical endurance test bhenji (20,000 cycles otomatiki) | Kuongororwa kwehupenyu, kupfeka kutarisa | 100 mayunitsi panguva imwe chete | |
| EMC test room (3m/10m, Teseq/Keysight) | Electromagnetic kuenderana verification | 50 units/day |
Kukwanisa Kugadzira & Nguva Yekutungamira
| Product Category | Monthly Capacity | Standard Lead Time | Urgent Order Kugona |
| Compact MCCB (10A-160A) | 50,000 zvikamu | 4-5 mavhiki | 3 mazuva (stock components) |
| Yepakati MCCB (160A-630A) | 20,000 zvikamu | 4-5 mavhiki | 5 mazuva |
| Huru MCCB (630A-1600A) | 8,000 zvikamu | 4-5 mavhiki | 7 mazuva |
| Maxi MCCB (1600A-2000A) | 2,000 zvikamu | 4-6 mavhiki | 10 mazuva |
| Electronic Rwendo Units | 15,000 zvikamu | 4-5 mavhiki | 3 mazuva |
Injiniya & Tekinoroji Yechikwata Chimiro
| Dhipatimendi | Vashandi | Nyanzvi | Mabasa |
| R&D Injiniya | 5 mainjiniya | Masimba masystem, electromagnetic dhizaini, yakamisikidzwa software, zvinhu sainzi | Kuvandudzwa kwechigadzirwa chitsva, kugadzirisa, patent portfolio (50+ patents) |
| Process Engineering | 20 mainjiniya | Thermosetting molding, chaiyo machining, otomatiki, yakaonda kugadzira | Kugadzira mutsara optimization, SOP zvinyorwa, goho kuvandudza (> 98%) |
| Testing & Validation | 15 mainjiniya | Yepamusoro-simba kuyedzwa, kuenzanisa kwezvakatipoteredza, kuvimbika engineering, EMC | Type yekuyedza kuronga, kutadza kuongororwa, certification manejimendi (IEC, UL, CCC) |
| Injiniya yekushandisa | 12 mainjiniya | Kudzivirirwa kwesimba system, kusarudza kurongeka, mota kutanga, kutumwa kwemunda | Mutengi tekinoroji rutsigiro, dhizaini dhizaini, saiti yekumisikidza |
| Hunhu Hwakanaka | 25 technicians | ISO 9001, ISO 14001, IATF 16949, statistical process control (SPC) | Supplier audit, process audit, corrective action management, metrology laboratory |
Certifications & Compliance Documentation
| Certification | Kuburitsa Body | Scope | Validity |
| ISO 9001:2015 | TÜV SÜD / SGS / Bureau Veritas | Quality management system | Kuongororwa kwegore |
| IEC 60947-2 Type Test | KEMA/DEKRA, EUROLAB | Kuchengetedzwa kwechigadzirwa & kuita | Per product series |
| CCC (China) | CQC (China Quality Certification Center) | Chinese compulsory certification | 5-makore echokwadi |
| CE Kumaka | Notified Body EUROLAB | EU kuwana musika | Dhizaini-inotsamira |
Nei Yedu MCCB Kugadzira Yakamira Yakasiyana
Nzvimbo yedu yekugadzira inomiririra40 makore ehunyanzvimune yakaumbwa kesi circuit breaker kugadzira, kuendesa zvigadzirwa zvinopfuura mwero wepasirese kuburikidza:
Vertical integration: Mu-imba BMC inosanganiswa, chaiyo yekubata plating, uye yemagetsi rwendo unit kugadzira inova nechokwadi chekutonga kwemhando yakakwana uye kugadzirisa mutengo.
Advanced molding tekinoroji: 300-ton thermosetting jekiseni mashini ane otomatiki ekubata zvinhu uye chaiyo-nguva maitiro ekutarisa (SCADA kubatanidzwa)
Testing infrastructure: $3M+ yakasimwa mumarabhoritari ane simba-akakwirira anokwanisa 200kA pfupi-sekiti yekuongorora uye yakazara yezvakatipoteredza simulation
Global certification strategy: Multi-standard kutevedzera inogonesa isina musono kupinda mumusika munyika dzinopfuura zana pasina kuyedzwa
Kugadzirisa kugona: Kubva kune akakwenenzverwa tropical coatings kusvika kune proprietary yekutaurirana mapuroteni uye yakasarudzika yekumisikidza masisitimu, isu mainjiniya kune yako yakatarwa.
Nezve tekinoroji yakatarwa, yakasarudzika yekubatanidza zvidzidzo, mota dziviriro macurves, kana fekitori yekuongorora kurongwa, timu yedu yeinjiniya inopa kubvunzana kwakananga kuti ive nechokwadi chekuti dhizaini yako yekugovera magetsi inosangana nezvinodiwa zvekudzivirira uye kuenderera mberi kwezvinangwa.
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Thermal Adjustable Molded Case Circuit Breaker
Ziva iyo CDADA DAM1 Series Thermal Adjustable Molded Case Circuit Breaker kubva ku 贴 yakavimbika fekitori, Shanghai DADA Electric-yakasimbiswa (ASTA, KEMA, CE) uye inogadzirika magadzirirwo ekupisa (70-100% In). Yakanakira kunyatsodzivirirwa kwekuremerwa mumaindasitiri maapplication. Inowanikwa mu3P/4P zvigadziriso kusvika ku1600A pa400V/415V. Yakakwana yeOEMs uye vatengi vakawanda.
CDADA ndeye Molded Case Circuit Breaker mugadziri uye mutengesi muChina. Fekitori yedu inoshandisa maindasitiri akasiyana akadai semagetsi masisitimu, kuvaka otomatiki, uye kugadzira maindasitiri, ichipa inoshanduka OEM/ODM mhinduro.
