مصنع معدات أصلية لمُقاطِع الدائرة الكهربائية المُقوّس (MCCB) من طراز CQM6 القياسي
The CQM6 Standard Molded Case Circuit Breaker delivers essential overload and short-circuit protection for electrical distribution and motor circuits, spanning currents from 10A to 1250A across frame sizes 125A to 1250A. Its compact, miniaturized design enables unified panel integration and space savings, supporting 3 or 4 poles with breaking capacities up to 75kA. Fully compliant with IEC/EN 60947-1/2/3/4 and GB/T 14048.1/2/3/4 standards, it features versatile accessories like shunt trips, undervoltage releases, and auxiliaries for tailored control and monitoring. Operation modes include motorized (P), turning handle (Z), or direct (W), with insulation voltage up to 800V and impulse withstand of 8kV. Ideal for industrial, commercial, and infrastructure applications, it incorporates tested electrical durability exceeding handbook specifications for sustained reliability.
IEC/EN 60947-2(Circuit-Breakers)
IEC/EN 60947-3(Switchgear)
IEC/EN 60947-4(Contactors & Motor-Starters)
ميزات المنتج
■ Core Protection: Provides essential protection against overloads and short-circuits for distribution systems and motor circuits.
■ Current Range: Comprehensive coverage from 10A up to 1250A.
■ Compact Design: Features a miniaturized and unified footprint for easy panel integration and space savings.
■ Accessory Flexibility: Supports a wide range of accessories (shurht trips, auxiliaries, etc.) for customized control and monitoring
Compliance
■ Meets international and regional standards including
IEC/EN 60947-1( General Rules) GB/T 14048.1
IEC/EN 60947-2(Circuit-Breakers) GB/T 14048.2
IEC/EN 60947-3(Switchgear) GB/T 14048.3
IEC/EN 60947-4( Contactors & Motor-Starters) GB/T 14048.4
Accessory List
1.Our company can provide three new products for customers to choose from,namely the right-sideauxilary switch,the left-side shunt trip device,and the left-side undervoltage release device.
2.For the spedfcations of 220,320,240,340,270 and 370,the auxilaryswitcch can provide two pairs ofswitches.Please specily this vhen placing an order.
3.For the 250 and 350 specifications,the shunt trip device and undervoltage release for models 400 andabove can only be installed on 3-pole circuit breakers.
دليل الاختيار
| Product code ① | Shell frame grade ② | Breaking capacity ③ | Operating method ④ | The number of poles ⑤ | ||||
| CQM6 | 125 | C | P | 4 | ||||
| Molded case circuit breaker | C | S | M | H | P: Motorized operation Z: Timing handle W: Direct operation |
2-pole 3-pole 4-pole |
||
| 125 | 125 | 15/18 | 25/18 | / | / | |||
| 160 | 160 | 25/18 | 35/25 | 50/35 | / | |||
| 250 | 250 | 25/18 | 35/25 | 50/35 | / | |||
| 630 | 630 | / | 35/25 | 50/35 | 70/50 | |||
| 800 | 800 | / | 35/25 | 50/35 | 70/50 | |||
| 1250 | 1250 | / | 35/25 | 50/35 | 70/50 | |||
| Decoupler method and internal accessories ⑥ | Rated current A ⑦ | Function ⑧ | Optional code for four-pole products ⑨ | Special code ⑩ | |
| 300 | 125A | 2 | A | I | |
| The first digit indicates the type of detent 2: Instantaneous detent only 3: Duplicate detent Note: The last two digits are the accessory designator (see accessory table). |
125 | 10,16,20,32,40,50,63,80,100,125 | 1:For power distribution 2:For motor protection |
A:N-pole is unprotected and cannot be combined B:N-pole is unprotected and can be combined C:N-pole is protected and can be combined D:N-pole is protected and cannot be combined |
I: Overload alarm non-trip function |
| 160 | 10,16,20,32,40,50,63,80,100,125,140,160 | ||||
| 250 | 100,125,140,160,180,200,225,250 | ||||
| 630 | 250,315,350,400,500,630 | ||||
| 800 | 500,630,700,800 | ||||
| 1250 | 800,1000,1250 | ||||
| Accessory Voltage ⑪ | Motorized operating voltage ⑫ | Installation ⑬ | Whether to install a terminal block ⑭ | |||
| Q1 | D1 | Q | 2 | |||
| Undervoltage detent Q1:AC220V Q2:AC240V Q3:AC380V Q4:AC415V |
Shunt release F1:AC220V F2:AC380V F3:DC110V F4:DC24V |
Auxiliary alarm J1:AC125V J2:AC250V J3:DC125V J4:DC24V |
DC1 Electrical Operation D1:AC220V D2:AC230V D3:AC380V D4:AC400V |
DC3 Electrical Operation D5:AC230V D6:AC110V D7:DC220 D8:DC110 D9:AC110~240V D10:DC100~220V |
Q:Front of plate H:Rear of plate C:Inserted |
1:No installation 2:Installation |
| Note:When motorized operation is selected,please refer to the external accessories for the two voltages applicable for motorized operation. | ||||||
Main Technical Parameters
| Model number | CQM6-125 | CQM6-160 | ||||||
| Rated current of frame level Inm(A) | 125 | 160 | ||||||
| Number of poles | 2, 3, 4 | 3, 4 | ||||||
| Rated current In(A),at 40℃,50℃,55℃ | 10,16,20,25,32,40,50,63,80,100,125 | 10,16,20,25,32,40,50,63,80,100,125,140,160 | ||||||
| Rated operating voltage Ue(V),AC 50/60Hz | 400/415 | 400/415 | ||||||
| Rated insulation voltage Ui (V) | 800 | 800 | ||||||
| Rated impulse withstand voltage Uimp(KV) | 8 | 8 | ||||||
| Breaking capacity designation | C | S | C | S | M | |||
| Short-circuit breaking capacity Icu/Ics(kA) | AC400/415V | 46249 | 25/18 | 25/18 | 35/25 | 50/35 | ||
| Selectivity category | A | A | A | A | A | |||
| Number of operating cycles(cycle) | ON | 6000 | 6000 | |||||
| OFF | 10000 | 10000 | ||||||
| Trip mechanisms and protection types | Magnetic trip | Power distribution protection | ● | ● | ● | ● | ● | ● |
| Motor protection | ● | ● | ● | ● | ● | ● | ||
| Thermal-magnetic trip | Power distribution protection | ● | ● | ● | ● | ● | ● | |
| Motor protection | ● | ● | ● | ● | ● | ● | ||
| Accessory | Auxiliary contacts | ● | ● | ● | ● | ● | ● | |
| Alarm contacts | ● | ● | ● | ● | ● | ● | ||
| Shunt disconnect | ● | ● | ● | ● | ● | ● | ||
| Undervoltage detent | ● | ● | ● | ● | ● | ● | ||
| Manual operating mechanism | ● | ● | ● | ● | ● | ● | ||
| Motorized operating mechanism | ● | ● | ● | ● | ● | ● | ||
| Backplane wiring | ● | ● | ● | ● | ● | ● | ||
| Inserted | ● | ● | ● | ● | ● | ● | ||
| Coupling plate | ● | ● | ● | ● | ● | ● | ||
| Partition between phases | ● | ● | ● | ● | ● | ● | ||
| Derivative products | Dedicated for prepayment electric meters | ● | ● | ● | ● | ● | ● | |
| Overload alarm without trip | – | – | – | ● | ● | ● | ||
| Overall dimensions (mm) (a-b-c-ca) |
 |
3 P | 75-130-68-92 | 90-155-70-94 | 90-155-84-109 | |||
| 4 P | 100-130-68-92 | 120-155-70-94 | 120-155-84-109 | |||||
Note:● for optional accessories;”-” for no optional accessories.
Main Technical Parameters
| Model number | CQM6-250 | CQM6-630 | ||||||
| Rated current of frame level Inm(A) | 250 | 630 | ||||||
| Number of poles | 2, 3, 4 | 3, 4 | ||||||
| Rated current In(A),at 40℃,50℃,55℃ | 125,140,160,180,200,225,250 | 250,315,350,400,500,630 | ||||||
| Rated operating voltage Ue(V),AC 50/60Hz | 400/415 | 400/415 | ||||||
| Rated insulation voltage Ui (V) | 800 | 800 | ||||||
| Rated impulse withstand voltage Uimp(KV) | 8 | 8 | ||||||
| Breaking capacity designation | C | S | M | S | M | H | ||
| Short-circuit breaking capacity Icu/Ics(kA) | AC400/415V | 25/18 | 35/25 | 50/35 | 35/25 | 50/35 | 70/50 | |
| Selectivity category | A | A | A | A | A | A | ||
| Number of operating cycles(cycle) | ON | 6000 | 3000 | |||||
| OFF | 10000 | 8000 | ||||||
| Trip mechanisms and protection types |
Magnetic trip | Power distribution protection | ● | ● | ● | ● | ● | ● |
| Motor protection | ● | ● | ● | ● | ● | ● | ||
| Thermal-magnetic trip | Power distribution protection | ● | ● | ● | ● | ● | ● | |
| Motor protection | ● | ● | ● | ● | ● | ● | ||
| Accessory | Auxiliary contacts | ● | ● | ● | ● | ● | ● | |
| Alarm contacts | ● | ● | ● | ● | ● | ● | ||
| Shunt disconnect | ● | ● | ● | ● | ● | ● | ||
| Undervoltage detent | ● | ● | ● | ● | ● | ● | ||
| Manual operating mechanism | ● | ● | ● | ● | ● | ● | ||
| Motorized operating mechanism | ● | ● | ● | ● | ● | ● | ||
| Backplane wiring | ● | ● | ● | ● | ● | ● | ||
| Inserted | ● | ● | ● | ● | ● | ● | ||
| Coupling plate | ● | ● | ● | ● | ● | ● | ||
| Partition between phases | ● | ● | ● | ● | ● | ● | ||
| Derivative products | Dedicated for prepayment electric meters | ● | ● | ● | ● | ● | ● | |
| Overload alarm without trip | ● | ● | ● | ● | ● | ● | ||
| Overall dimensions (mm) (a-b-c-ca) |
 |
3 P | 105-165-70-96 | 105-165-93-120 | 140-257-105-155 | |||
| 4 P | 140-165-70-96 | 140-165-93-120 | 185-257-105-155 | |||||
Note:● for optional accessories;”-” for no optional accessories.
Main Technical Parameters
| Model number | CQM6-800 | CQM6-1250 | ||||||
| Rated current of frame level Inm(A) | 800 | 1250 | ||||||
| Number of poles | 3, 4 | 3, 4 | ||||||
| Rated current In(A),at 40℃,50℃,55℃ | 500, 630, 700, 800 | 1000, 1250 | ||||||
| Rated operating voltage Ue(V),AC 50/60Hz | 400/415 | 400/415 | ||||||
| Rated insulation voltage Ui (V) | 800 | 800 | ||||||
| Rated impulse withstand voltage Uimp(KV) | 8 | 8 | ||||||
| Breaking capacity designation | S | M | H | S | M | H | ||
| Short-circuit breaking capacity Icu/Ics(kA) | AC400/415V | 35/25 | 50/35 | 70/50 | 35/25 | 50/35 | 70/50 | |
| Selectivity category | A | A | A | A | A | A | ||
| Number of operating cycles(cycle) | ON | 3000 | 1000 | |||||
| OFF | 8000 | 3000 | ||||||
| Trip mechanisms and protection types | Magnetic trip | Power distribution protection | ● | ● | ● | ● | ● | ● |
| Motor protection | ● | ● | ● | ● | ● | ● | ||
| Thermal-magnetic trip | Power distribution protection | ● | ● | ● | ● | ● | ● | |
| Motor protection | ● | ● | ● | ● | ● | ● | ||
| Accessory | Auxiliary contacts | ● | ● | ● | ● | ● | ● | |
| Alarm contacts | ● | ● | ● | ● | ● | ● | ||
| Shunt disconnect | ● | ● | ● | ● | ● | ● | ||
| Undervoltage detent | ● | ● | ● | ● | ● | ● | ||
| Manual operating mechanism | ● | ● | ● | ● | ● | ● | ||
| Motorized operating mechanism | ● | ● | ● | ● | ● | ● | ||
| Backplane wiring | ● | ● | ● | ● | ● | ● | ||
| Inserted | ● | ● | ● | ● | ● | ● | ||
| Coupling plate | ● | ● | ● | ● | ● | ● | ||
| Partition between phases | ● | ● | ● | ● | ● | ● | ||
| Derivative products | Dedicated for prepayment electric meters | ● | ● | ● | ● | ● | ● | |
| Overload alarm without trip | ● | ● | ● | ● | ● | ● | ||
| Overall dimensions (mm) (a-b-c-ca) |
 |
3 P | 210-275-105-155 | 210-275-105-155 | ||||
| 4 P | 280-275-105-155 | 280-275-105-155 | ||||||
Note:● for optional accessories;”-” for no optional accessories.
Operating Characteristics
1.The inverse time operating characteristics of power distribution circuit when all poles areenergized simultaneously at anambient air temperature of +40℃(with no humidity compensation)are shown in the following table:
| Test current designation | Setting current multiple | Conventional time | Initial state |
| In≤63 63<In | |||
| Conventional non-tripping current | 1.05 | ≥1h ≥2h | Cool state |
| Conventional tripping current | 1.3 | <1h <2h | Hot state |
2.The inverse time action characteristics of circuit breakers for motor ption without humiditycompensation when all poles areenergized simultaneously at an ambient air temperature of+40C are showrin the following table.
| Test current designation | Setting current multiple | Conventional time | Initial state |
| In≤800 | |||
| Conventional non-tripping current | 1 | ≥2h | Cool state |
| Conventional tripping current | 1.2 | <2h | Hot state |
3.Action characteristics under short-circuit condition:The short-circuuit curent setting value ofthe instantaneous tripper of the circuitbreaker forpower distribution is 10ln.
The short-circuit current setting value of the instantaneous tripper of the circuit breaker for motorprotection is 12ln.
The accuracy of the short-circuit curent setting value of the instantaaneous tripper is 20% of the short-circuit currentsetting value.
CQM6-125 Operating Characteristic Curve
CQM6-160 Operating Characteristic Curve
CQM6-250 Operating Characteristic Curve
CQM6-630 Operating Characteristic Curve
CQM6-800 Operating Characteristic Curve
CQM6-1250 Operating Characteristic Curve
Outline and Installation Dimensions(mm)
Outline and Installation Dimensions(mm)
| Molded case circuit breaker | Overall dimension | Installation dimensions | Bolt | |||||||||||||||||||||
| A | A1 | A2 | A3 | B | B1 | B2 | B3 | B5 | B6 | H | H1 | H2 | H3 | H4 | H5 | H6 | A4 | B4 | ||||||
| 3P | 4P | 3P | 4P | 3P | 4P | 3P | 4P | |||||||||||||||||
| CQM6-125CS | 75 | 100 | 50 | 75 | – | – | – | – | 130 | 114 | 85 | 50 | 50 | – | 92 | 72 | 4 | 68 | 61 | 41 | 24 | 25 | 111 | M8/M6 |
| CQM6-160CS | 90 | 120 | 60 | 90 | – | – | – | – | 155 | 134 | 103 | 50 | 50 | – | 94 | 72 | 4 | 70 | 61 | 41 | 24 | 30 | 132 | M8 |
| CQM6-160M | 90 | 120 | 60 | 90 | – | – | – | – | 155 | 134 | 103 | 50 | 50 | – | 109 | 83 | 4 | 83 | 76 | 24.5 | 24.5 | 30 | 132 | M8 |
| CQM6-250CS | 105 | 140 | 70 | 105 | – | – | – | – | 165 | 144 | 103 | 50 | 100 | – | 96 | 72 | 4 | 70 | 61 | 46 | 24 | 35 | 126 | M8 |
| CQM6-250M | 105 | 140 | 70 | 105 | – | – | – | – | 165 | 144 | 102 | 50 | 110 | – | 120 | 95 | 4 | 91 | 84 | 22.5 | 24 | 35 | 126 | M8 |
| CQM6-630SMH | 140 | 185 | 88 | 132 | 140 | 196 | 112 | 168 | 257 | 230 | 179 | 90 | 110 | 42 | 155 | 107 | 5 | 105 | 97 | 64 | 35 | 44 | 194 | M10 |
| CQM6-800SMH | 210 | 280 | 140 | 210 | 180 | 250 | 140 | 210 | 275 | 243 | 192 | 90 | 110 | 87 | 155 | 107 | 5 | 104 | 97 | 65 | 24 | 70 | 242.5 | M12 |
| CQM6-1250SMH | 210 | 280 | 140 | 210 | 180 | 250 | 140 | 210 | 275 | 243 | 192 | 90 | 110 | 87 | 155 | 107 | 5 | 104 | 97 | 65 | 24 | 70 | 242.5 | M10*2 |
لماذا تختار CHAC
مع خبرة تصنيع تزيد عن 30 عامًا، وأكثر من 1100 موظف، وأكثر من 100 مليون عمود
بفضل طاقتها الإنتاجية السنوية ونظام الإنتاج الآلي 90%، توفر شركة CHAC طاقة إنتاجية مستقرة ومعايير صارمة
مراقبة الجودة لعملاء OEM/ODM العالميين. يدعم نظام التصنيع الداخلي الخاص بنا على المدى الطويل
تعاون مع العلامات التجارية الكهربائية والمستوردين والموزعين.
30+
سنوات الخبرة
متخصص في تصنيع المعدات الكهربائية منخفضة الجهد
1100+
الموظفين
فريق محترف يضمن جودة ثابتة والتسليم
١٠٠ مليون+
السعة السنوية للأعمدة
قدرة إنتاجية واسعة النطاق لتلبية الطلب العالمي
90%
الإنتاج الآلي
الأتمتة المتقدمة لتحقيق كفاءة واتساق عاليين
خط التجميع الآلي
مختبر اختبار
حقن وختم
فحص الجودة
نظام صارم لمراقبة الجودة يضمن أن كل منتج يلبي المعايير العالمية.
ما الذي يمكننا تخصيصه؟
Flexible customization services are available for enclosure dimensions, component configuration,
branding and project requirements.
حَظِيرة
تصميم
أحجام وحاويات مخصصة وهياكل وتفاصيل تركيب.
داخلي
إعدادات
خيارات مرنة لتخطيط داخلي وترتيب المكونات.
العلامة التجارية و
شعار
شعارات العلامة التجارية الخاصة، ولوحات الأسماء، وتحديد الهوية التجارية.
تعبئة وتغليف
تصميم
علب مخصصة، وملصقات، وأدلة، وحلول تغليف.
كهربائي
إعدادات
إعداد كهربائي مخصص بناءً على متطلبات التطبيق.
شهادة
دعم
دعم معايير السوق المستهدفة ومتطلبات الامتثال.
تنزيل
قاطع الدائرة المقولبة من سلسلة CQM6
نظرة عامة كاملة على مكونات كهربائية منخفضة الجهد ومرجع لاختيار المنتج.
هل تحتاج إلى وثائق فنية؟
اتصل بنا للحصول على أوراق البيانات، والشهادات، والرسومات، وإرشادات الاختيار، أو دعم مشاريع OEM/ODM.
أسئلة متكررة
س1. هل تدعمون تخصيص المنتجات بناءً على متطلبات التصميم الخاصة بنا؟
أ1: بالتأكيد. نحن متخصصون في التعاون في مجالات تصنيع المعدات الأصلية (OEM) وتصنيع التصميم الأصلي (ODM) في مجال الأجهزة الكهربائية منخفضة الجهد، وقد قدمنا خدمات مخصصة للعديد من الشركات العالمية الشهيرة. نقدم دعمًا لكامل العملية، بما في ذلك تصميم البحث والتطوير، وتعديل المعلمات، واختيار المواد الخاصة، مما يضمن تلبية المنتج لمتطلباتك بالكامل.
س2: ما هي طاقتك الإنتاجية والحد الأدنى لكمية الطلب؟
A2: نحن ندير قاعدة إنتاج مؤتمتة للغاية بإنتاج سنوي يزيد عن 100 مليون عمود للقواطع الكهربائية المصغرة. سياسة الحد الأدنى لكمية الطلب لدينا مرنة. يمكننا توفير طلبات تجريبية تنافسية للكميات الصغيرة وخطط ضمان مخصصة للسعة الإنتاجية.
س 3: ما هي الضمانات المقدمة لجودة المنتج والشهادات؟
ج 3: منتجاتنا الرئيسية حاصلة على شهادات CCC و CE و CB وغيرها، وتُباع في أكثر من 30 دولة ومنطقة حول العالم. وقد أنشأت الشركة «مركز عمليات الجودة» مخصصًا يعمل بالتعاون مع أقسام الأعمال والإنتاج لتطبيق مراقبة الجودة على جميع مراحل العملية، مما يضمن توافق المنتجات مع المعايير الدولية.
س4: هل لديكم القدرة على البحث والتطوير للمنتجات وتحويل الأفكار إلى واقع؟
لدينا فريق بحث وتطوير كامل وورش عمل رقمية، مدعومة بخبرة تخصيص واسعة تخدم العديد من العملاء الدوليين. من اقتراح المفهوم وتطوير العينات إلى الإنتاج الضخم، نقدم دعمًا فنيًا شاملاً لمساعدتك في تحقيق أفكارك.
