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China Professional Miniature Circuit Breaker Factory

Tinokukoka iwe kuti uodhare emhando yepamusoro Miniature Circuit Breakers kubvaCDADA. Semugadziri ane hunyanzvi ane makumi echiitiko chemakumi emakore, isu tinopa huwandu hwakakwana hwezvigadziriso uye tsigiro yeOEM yekugadziridza masevhisi kuti ive nechokwadi chekuteedzera akasiyana epamba eChinese uye epasi rese zvitupa uye zviyero.Ndapota inzwa wakasununguka kutibata nesu kuti uwane quotation.


Chii chinonzi Miniature Circuit Breaker?

A Miniature Circuit Breaker (MCB) icompact, inogadziriswa yakaderera-voltage yekudzivirira mudziyo wakagadzirirwa kuchengetedza maseketi emagetsi kubva pakuremerwa uye mapfupi maseketi. Kushanda pa rated voltages kusvika240/415V AC (50/60Hz) nezviyero zvazvino kubva0.5A kusvika 125A, MCBs inoshanda seyekutanga dunhu rekudzivirira mudziyo munzvimbo dzekugara, dzekutengesa, uye dzakareruka maindasitiri emagetsi ekugovera masisitimu.

Iyo MCB inomiririra kufambira mberi kwakakosha pamusoro pechinyakare fuse, kupaotomatiki kutsika pakuona kukanganisa uyemanual reset kugona kana kukanganisa kwacheneswa-kubvisa kutsiva kwechikamu uye kuderedza mari yekugadzirisa. Imwe neimwe MCB inoratidzira chiyero chazvino chakaenzana nedunhu rakachengetedzwa, kuve nechokwadi chekuchengetedzwa chaiko.

 

MCB Product Categories & Configurations

Classification

Type

Current Range

Hunhu Hunokosha

Tripping Characteristic (Curve)

Type B

0.5A - 63A

3-5 × Murwendo rwepakarepo, yakaderera inrush mitoro (mwenje, inodzivirira kupisa)

Type C

0.5A - 125A

5-10 × Murwendo, ine mwero inrush (motor, air conditioners, midziyo midiki)

Type D

0.5A - 63A

10-20 × Murwendo, yakakwira inrush (transformers, mahombe mota, welding midziyo)

Type K

0.5A - 63A

8-12 × Murwendo, kutengesa / maindasitiri mota mitoro

Type Z

0.5A - 40A

2-3 × Murwendo, inonzwisisika yemagetsi midziyo, semiconductor kuchengetedza

Pole Configuration

Bango Rimwechete (SP)

0.5A - 63A

Phase protection in single-phase circuits

Kaviri-Bango (DP)

0.5A - 63A

Phase + neutral protection, common trip bar

Bango Katatu (TP)

0.5A - 125A

Kudzivirirwa kwezvikamu zvitatu, kugoverwa kwemaindasitiri

Matanda mana (4P)

0.5A - 125A

Matatu-chikamu + asina kwaakarerekera, zvakajairika rwendo michina

Breaking Capacity

Chiyero (S)

3kA – 6kA

Kuiswa kwemumba, yakaderera fault level network

Yakanatsiridzwa (H)

10kA

Commercial buildings, medium fault levels

Pamusoro (G)

15kA - 25kA

Industrial mains, high fault capacity

Mounting Standard

DIN Rail (IEC 60715)

All ratings

35mm yepamusoro-hat njanji (TH35), inokurumidza snap-pakuisa

Panel Mount

0.5A - 63A

Screw-fixed base, legacy installation

Current Rating Series (Inodiwa Values): 0.5A,1A,2A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A

 

Core Mabasa & Dziviriro Mano

Dual-Element Dziviriro Mechanism

Function

Actuation Principle

Technical Parameters

Overload Dziviriro (Thermal)

Bimetallic strip kupisa kuwedzera

1.05×In: Hapana rwendo (2h), 1.3×In: Rwendo ≤1h (In≤32A), ≤2h (Mu>32A), 1.45×Mu: Rwendo <1h

Dziviriro Yepfupi-yedunhu (Magineti)

Solenoid plunger pakarepo

Rudzi B: 3-5 × Mu, Rudzi C: 5-10 × Mu, Rudzi D: 10-20 × In, <20ms kushanda

Kuzviparadzanisa nevamwe

Kuparadzana kwakanaka

Kukodzera kwekuzviparadzanisa neIEC 60898-1, yekuona gap verification

Rwendo Chiratidzo

Mechanical mureza/hwindo

Yakasiyana ON / OFF chinzvimbo, rwendo-yemahara michina inodzivirira kuvharika pane kukanganisa

Advanced Design Features

MaMCB emazuva ano anosanganisira zvakaomesesa zveinjiniya zvinhu:

Kurumidza-kugadzira, kukurumidza-kupwanya michina: Yakazvimirira yekumhanyisa mashandiro ekubata, kuve nechokwadi chekuvhara kunoenderana kuvharwa

Rwendo-yemahara dhizaini: Inodzivirira kuvharwa kwemanyorero panguva yakaramba iripo yekukanganisa mamiriro

Mutsara-mutoro reversibility: Input/output terminals inochinjika yekugadzika kuchinjika


Mamiriro ekushandisa & Mamiriro Ekushandisa

Installation Environment

Specific Application

Typical Specifications

Zvivakwa Zvekugara

Maseketi ekuvhenekesa, socket outlets, HVAC, maheater emvura

6A-32A Type B/C, 6kA Icn, DIN rail mounting

Mahofisi eCommerce

Mabhodhi ekugovera, midziyo yemakomputa, maseketi eUPS

10A-63A Rudzi rweC, 10kA Icn, 4-pole ye3-phase

Retail & Hospitality

Kuvhenekera kwechitoro, firiji, midziyo yekicheni

16A-40A Rudzi rweC, 10kA, rwendo rwakajairika kune akawanda-pole

Industrial Control Panels

Zvishandiso zvemuchina, mota dzinodzora maseketi, otomatiki

10A-63A Rudzi rweD, 15kA, kutsungirira kwakanyanya kwemagetsi

Infrastructure

Metro zviteshi, nhandare dzendege, zvipatara, nzvimbo dzedata

32A-125A Rudzi C, 25kA, ikozvino inomisa Kirasi 3

Renewable Energy

Solar tambo dziviriro, bhatiri masisitimu, inverters

10A-63A DC-yakatemerwa (IEC 60898-2), 250V/500V/1000V DC

Marine & Offshore

Kugoverwa kwengarava, mapuratifomu ekumahombekombe

Tropicalized (T2), isingadziviriri, 55°C ambient

 

Manufacturing Process & Production Workflow

High-Volume Precision Manufacturing Sequence

Raw Material IQC → Thermoplastic Injection Molding → Bata System Stamping → Bimetallic Element Assembly → Magnetic Coil Winding → Arc Chute Kubatanidzwa → Mechanism Assembly → Calibration & Kuedza → Yekupedzisira QC → Packaging

Akakosha Manufacturing Matanho

Danho

Process Details

Quality Control Points

Housing Injection Molding

High-impact thermoplastic (PA66, PBT) ine 30% girazi faibha, 280-320 ° C kunyunguduka tembiricha, 800-1200 bar jekiseni pressure

Dimensional kushivirira ± 0.05mm, simba rekuita > 7 kJ/m², indekisi yekutevera > 600V, UL 94 V-0 kubatika

Bata Stamping & Plating

Silver-nickel (AgNi 90/10) kana sirivheri-cadmium oxide contacts, inofambira mberi kufa stamping, mbiya plating 8-12μm sirivheri.

Kuoma HV 80-120, kuonana kuramba <100μΩ, plating ukobvu XRF ongororo

Bimetallic Element Kugadzirwa

Inconel / passivated simbi inosanganiswa, kunyatso kutenderera, kupisa kurapwa kwekutsauka maitiro

Deflection rate 0.15-0.25mm/°C, calibration pa20°C reference, ± 3% batch consistency

Magnetic Coil Manufacturing

Waya yemhangura (0.3-0.8mm dhayamita), automated winding, vacuum varnish impregnation

Inotendeuka kuverenga ± 1%, DC kuramba ± 5%, insulation kuramba> 100MΩ

Arc Chute Assembly

Steel splitter plates (0.5mm), ceramic arc grids, optimized deionizing chamber geometry

Magnetic flux verification, dielectric simba 2.5kV, dimensional ± 0.02mm

Mechanism Integration

Chitubu chesimbi yekuchaja sisitimu, shandura michina, rwendo-yemahara kukwira, zvitubu zvekuchengetedza simba

Mechanical kutsungirira 20,000 kutenderera, rwendo simba 3-8N, shandura kuvimbika

Final Calibration

Otomatiki nguva-yazvino kuyedza pa1.05×In, 1.25×In, 5×In (kana curve-yakananga)

Nguva yerwendo ± 20% kushivirira, kukurumidza rwendo rwekuongorora, yekumaka kusingaperi

 

Primary Raw Materials & Component Specifications

Chikamu

Kutsanangurwa Kwezvinhu

Supplier Standards

Key Properties

Molded Housing

PA66 GF30 (polyamide 66, 30% girazi faibha) kana PBT GF30

IEC 60664-1, UL 94 V-1

Tracking index >600V, heat resistance 160°C, simba rekuita>7 kJ/m², halogen-isina iripo

Operating Handle

PC/ABS musanganiswa kana PA66

ISO 527

Tensile simba> 50MPa, UV yakagadzikana, colorfast

Yakagadziriswa / Inofambisa Mazita

Electrolytic mhangura (Cu-ETP C11000) + AgNi 90/10 kana AgCdO plating

ASTM B152

Conductivity ≥100% IACS, arc erosion resistance, anti-welding

Bimetallic Strip

Inconel 718/passivated simbi inoumbwa (ASTM TM2) kana ndarira/simbi

ASTM B388

Deflection rate 0.2mm/°C, kugadzikana ± 3% pamakore makumi maviri, kuramba

Magnetic Coil

Enameled waya yemhangura (Kirasi F 155°C kana Kirasi H 180°C)

IEC 60317

Kuparara kwemagetsi> 3kV, solderability 390°C/2s, flexibility

Arc Splitter Plates

Simbi inotonhorera SPCC-SD (0.5mm) ine ceramic coating

JIS G 3141

Magnetic permeability> 2000, kupisa kuramba> 1000°C, arc quenching

Operating Springs

Oiri-yakatsamwa kabhoni simbi SWP-B kana Stainless simbi 301

JIS G 3522

Hupenyu hwekuneta> 50,000 kutenderera, tensile simba 1800-2200MPa

Zviteshi

Brass C36000 kana mhangura C11000 ine tin plating (5-8μm)

ASTM B16

Current density 1.0-1.2 A/mm², torque withstand 1.5-2.5Nm, corrosion resistance

Mounting Clip

Spring steel 65Mn or stainless steel 304

GB/T 1222

Clamp force 50-100N, DIN njanji inoenderana (EN 60715) 

 

Mitemo Yekutevedzera & Kuedza Protocol

International Standards Framework

Standard

Scope

Inoshanda Ratings

IEC 60898-1

Circuit breakers for AC operation (vemba & zvakafanana)

Global baseline for AC MCBs up to 125A, 415V

IEC 60898-2

Circuit breakers for AC and DC operation

DC-yakatemerwa MCBs yezuva, bhatiri, njanji application

EN 60898-1

European harmonized version

CE yekumaka, EU musika kutevedzera

IEC 60947-2

Low-voltage switchgear - Circuit-breakers

Industrial MCBs> 80A, yakakwirira kutyora masimba

GB/T 10963.1

Chinese national standard yakaenzana

CCC certification, China musika

Mandatory Type Tests (IEC 60898-1)

Test Category

Specific Test

Maitiro ekugamuchira

Kumaka & Zvinyorwa

Kusanyora kumaka

Permanent mushure mekupukuta kwe solvent, tembiricha bhasikoro

Mechanical Kuvimbika

Kuvimbika kwescrews, zvisungo, zviteshi

Hapana kusunungurwa mushure mekudengenyeka, torque inomira

Safety

Kudzivirirwa kubva kumagetsi

IP20 shoma, zvigunwe-proof terminals

Dielectric Properties

Simba-frequency kutsungirira (2kV/1min), impulse (6kV)

Hapana kuparara, hapana flashover

Tembiricha Kukwira

Inoramba iripo pa40°C ambient

Zviteshi ≤60K, nyaya ≤40K

28-Day Test

Yakatsigirwa 1.13 × Mukurodha

Hapana rwendo, hapana kuderedzwa

Tripping Characteristics

Yakajairika nguva-ikozvino verification

1.05×In: hapana rwendo (2h), 1.3×In/1.45×In: rwendo mukati memiganhu

Mechanical Endurance

20,000 hapana-mutoro mashandiro

<5% parameter Drift, hapana kukundikana

Kutsungirira Kwemagetsi

4,000 mitoro mashandiro panguva yakatarwa ikozvino

Kubata kupfeka <50%, maitiro erwendo akachengetedzwa

Short-Circuit Breaking

Icn (rated), Ics (service) verification

3 mashandiro, kukanganisa kwakabudirira, dielectric kupora

Environmental

Mechanical shock, kukanganisa, kupisa, moto, ngura

Inoshanda mushure mekugadzirisa, hapana kuderedzwa kwekuchengetedza 

 

Factory Quality Control & Inspection Standards

Incoming Material QC (IQC)

Material

Zvinhu Zvokuongorora

Sampling Plan

Equipment

Thermoplastic granules

Glass content, viscosity, moisture, color

Per batch, COA verification

Melt flow indexer, hunyoro analyzer, spectrophotometer

Waya yemhangura (contacts)

Kuchena ≥99.9%, conductivity, annealing

AQL 0.65

Spectrometer, conductivity mita

Silver plating solution

Metal concentration, pH, tsvina

Kutariswa kwezuva nezuva

Atomic absorption spectrometer

Bimetallic strip

Deflection rate, kuramba, kugadzikana

Per batch, sampuli yekuyedza

Thermal oven, deflection kuyerwa

Enameled waya

Diameter, insulation thick, breakdown voltage

AQL 1.0

Micrometer, dielectric tester

Chitubu simbi

Tensile strength, fatigue resistance, forming

Per batch

Tensile muchina, kuneta tester

In-Process Quality Control (IPQC)

Chiteshi

Kudzora Parameters

Frequency

Nzira

Jekiseni kuumba

Tembiricha 280-320 ° C, kumanikidza 800-1200 bar, kutenderera nguva

Kutenderera kwese

SCADA yekutarisa, SPC machati

Contact stamping

Dimension ± 0.02mm, burr <0.01mm, plating ukobvu

Ese maminetsi makumi matatu

Optical comparator, XRF analyzer

Bimetal calibration

Deflection pareferensi tembiricha, creep test

Ese zana mayunitsi

Automated calibration station

Coil winding

Inoshandura kuverenga, tension control, layer kufanana

Chikwata chese

Automated winding machine with feedback

Mechanism assembly

Toggle simba, rwendo-yemahara basa, gap rekusangana

Chikwata chese

Kumanikidza geji, otomatiki bhenji rekuyedza

Gungano rekupedzisira

Torque yekumaka, kurongeka kwekubata, kubata basa

Chikwata chese

Vision system, inoshanda tester

Yekupedzisira Hunhu Kudzora (FQC) & Inobuda QC (OQC)

Test Item

Standard

Saizi Saizi

Dielectric inomira voltage

2kV AC/1min

100%

Insulation resistance

>100MΩ @ 500V DC

100%

Bata kuramba

<100μΩ padanda

100%

Tripping maitiro

1.05×In (hapana rwendo), 1.3×In (rwendo), 5×In (pakarepo)

 

100%

Mechanical operation

5 ON-OFF cycles, rwendo-yemahara yekuongorora

100%

Clearance pakati akazaruka contacts

≥3mm (paIEC 60898-1)

100%

Visual & dimensional kuongorora

Zero kukanganisa pazviyero zvakakosha

100%

Kuisa chiratidzo chekusingaperi

Solvent wiping, abrasion test

AQL 1.0

Packaging kutendeseka

Drop test, vibration (ISTA 3A), labeling

Per lot 

 

Production Infrastructure & Manufacturing Capability

Advanced Production Equipment

Equipment Category

Muchina Specification

Function

Capacity

Jekiseni Molding

120-ton thermoplastic injection press (Arburg/Engel) ine robotic kubata

MCB housing, cover, arc chamber production

5,000 dzimba / zuva

Progressive Stamping

60-ton high-speed press (Bruderer/Yamada Dobby) ine kufa kudzivirira

Bata stamping, terminal kugadzira

30,000 mazita / zuva

Surface Treatment

Automated barrel plating line (silver, tin)

Bata plating ukobvu 8-12μm

5,000 kg / zuva

Assembly

High-speed kusangana

Mechanism assembly, calibration, test

3,000 zvikamu / zuva pamutsetse

Testing Equipment

Automated primary jekiseni test set (3-125A, 10,000A kukanganisa kugona)

Nguva-yazvino curve verification

500 zvikamu / awa

Mechanical endurance tester (20,000 cycles, IEC 60898-1 Chikamu 9.11)

Kuongororwa kwehupenyu, kupfeka kutarisa

200 zvikamu panguva imwe chete

EMC test chamber (for electronic accessories)

Immunity/emission test

100 zvikamu / zuva

Kukwanisa Kugadzira & Nguva Yekutungamira

Product Category

Monthly Capacity

Standard Lead Time

Urgent Order Kugona

Standard MCB (0.5A-63A, SP/DP)

1,000,000 zvikamu

3-4 mavhiki

3 mazuva (stock components)

Industrial MCB (80A-125A, TP/4P)

200,000 zvikamu

3-4 mavhiki

5 mazuva

DC MCB (IEC 60898-2)

100,000 zvikamu

3-4 mavhiki

5 mazuva

Tsika zvigadziriso (akakosha macurves, accessories)

Project base

4-6 mavhiki

2 mavhiki

Injiniya & Tekinoroji Yechikwata Chimiro

Dhipatimendi

Vashandi

Nyanzvi

Mabasa

R&D Injiniya

5 mainjiniya

Kudzivirirwa kwakaderera-voltage, sainzi yezvinhu, electromagnetic dhizaini, otomatiki

Kuvandudzwa kwechigadzirwa chitsva (B/C/D/K/Z curves), kugadzirisa, patent portfolio (30+ patents)

Process Engineering

18 mainjiniya

Jekiseni kuumba, kunyatsodhinda, plating, kuonda kugadzira

Kugadzira mutsara optimization, SOP zvinyorwa, goho kuvandudza (> 99%), otomatiki kubatanidzwa

Testing & Validation

12 mainjiniya

Yakakwira-vhoriyamu kuyedzwa, kuenzanisa kwezvakatipoteredza, kuvimbika engineering

Type yekuyedza kurongeka, routine test automation, kutadza kuongorora, certification management

Hunhu Hwakanaka

30 technicians

ISO 9001, IATF 16949, statistical process control (SPC), metrology

Supplier audit, process audit, corrective action management, calibration laboratory

Injiniya yekushandisa

8 mainjiniya

Residential/commercial electrical design, selective coordination, field support

Tsigiro yehunyanzvi hwevatengi, dhizaini yekugovera bhodhi, zvirongwa zvekudzidzisa 

 

Certifications & Compliance Documentation

Certification

Kuburitsa Body

Scope

Validity

ISO 9001:2015

TÜV SÜD / SGS / Bureau Veritas

Quality management system

Kuongororwa kwegore

IEC 60898-1 Type Test

EUROLAB

Kuchengetedzwa kwechigadzirwa & kuita

Per product series

CE Kumaka

Notified Body

EU kuwana musika

Dhizaini-inotsamira

CCC (China)

CQC

Chinese compulsory certification

5-makore echokwadi

CB Chirongwa

IECEE

International certification

Per product series

SEMKO (Sweden)

EUROLAB

Nordic musika kuchengetedzwa mvumo

Per product series

 

Nei Yedu MCB Kugadzira Yakamira Yakasiyana

Nzvimbo yedu yekugadzira inomiririra40 makore ehunyanzvi mune miniature yedunhu breaker kugadzira, kuendesa zvigadzirwa zvinopfuura mwero wepasirese kuburikidza:

 

High-volume precision kugadzira: Otomatiki mitsetse inogadzira 1,000,000+ mayunitsi pamwedzi ne <50ppm defect rates

Vertical integration: In-house imba jekiseni kuumba, kuonana stamping / plating, uye DIN njanji kugadzirwa kuve nechokwadi chakazara chekugovera cheni kutonga.

Yepamberi yekuyedza zvivakwa: $2M+ yakadyarwa mune otomatiki ekutanga jekiseni kuyedza, mechaniki kutsungirira verification (20,000 cycles), uye EMC kutevedzera

Global certification strategy: Multi-standard kutevedzera (IEC 60898-1, EN, GB, ) inoita kuti musika ugone kupinda munyika dzinopfuura zana nemakumi maviri.

Customization kugona: Kubva kuhunyanzvi hwekuumbwa kwekupisa (T2, 55 ° C ambient) kusvika kuDC-yakatemerwa shanduro (250V/500V/1000V) uye akasiyana curve maitiro

 

Nezve tekinoroji, kugovera dhizaini dhizaini dhizaini, yakasarudzika yekubatanidza zvidzidzo, kana kurongwa kwefekitori yekuongorora, timu yedu yeinjiniya inopa kubvunzana kwakananga kuti ive nechokwadi chekuti imba yako yekugara, yekutengesa, kana indasitiri yemagetsi inosangana nezvinodiwa zvekudzivirira uye zvinangwa zvekuvimbika kwenguva refu.

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4.5kA 6kA Miniature Circuit Breaker

4.5kA 6kA Miniature Circuit Breaker

CDADA inyanzvi yekugadzira 4.5kA 6kA Miniature Circuit Breaker, yakasimbiswa neCCC uye ISO9001 yekuchengetedzwa kwedunhu. Inoshandisa murazvo unodzoreredza goko uye chaiyo yekupisa-magineti kufamba, iri nyore kukwira paDIN njanji uye iri nyore kuchengetedza. Inobatanidza kushanda kwakagadzikana nehupenyu hurefu hwebasa, yakanakira nzvimbo dzekugara, dzekutengesa uye dzeindasitiri simba rekugovera.
CDADA ndeye Miniature Circuit Breaker mugadziri uye mutengesi muChina. Fekitori yedu inoshandisa maindasitiri akasiyana akadai semagetsi masisitimu, kuvaka otomatiki, uye kugadzira maindasitiri, ichipa inoshanduka OEM/ODM mhinduro.
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