Fabricante OEM de disyuntores moldeados (MCCB) estándar CQM6
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 (Interruptores automáticos)
IEC/EN 60947-3 (Aparamenta)
IEC/EN 60947-4 (Contactores y arrancadores de motores)
Características del producto
■ 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
Cumplimiento
■ Cumple con las normas internacionales y regionales, incluidas
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
Lista de accesorios
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.
Guía de selección
| Código de producto ① | Grado de marco de carcasa ② | Capacidad de corte ③ | Método de operación ④ | El número de polos 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 tripolar tetrapolar |
||
| 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 | |||
| Método de desacoplador y accesorios internos ⑥ | Corriente nominal A ⑦ | Función ⑧ | Código opcional para productos de cuatro polos ⑨ | Código especial ⑩ | |
| 300 | 125A | 2 | A | I | |
| El primer dígito indica el tipo de retén 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: Para la distribución de energía Para la protección del motor |
El polo N está desprotegido y no se puede combinar El polo B:N está desprotegido y se puede combinar El polo C:N está protegido y se puede combinar El polo D:N está protegido y no se puede combinar |
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
| Número de modelo | CQM6-125 | CQM6-160 | ||||||
| Rated current of frame level Inm(A) | 125 | 160 | ||||||
| Número de polos | 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
| Número de modelo | CQM6-250 | CQM6-630 | ||||||
| Rated current of frame level Inm(A) | 250 | 630 | ||||||
| Número de polos | 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
| Número de modelo | CQM6-800 | CQM6-1250 | ||||||
| Rated current of frame level Inm(A) | 800 | 1250 | ||||||
| Número de polos | 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.
Características de Operación
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 |
¿Por qué elegir CHAC?
Con más de 30 años de experiencia en fabricación, más de 1100 empleados, más de 100 millones de postes
Con una capacidad anual y un proceso de producción automatizado 90%, CHAC ofrece una capacidad de producción estable y un estricto
control de calidad para clientes OEM/ODM globales. Nuestro sistema de fabricación interno respalda a largo plazo
Cooperación para marcas eléctricas, importadores y distribuidores.
30+
AÑOS DE EXPERIENCIA
Especializado en fabricación eléctrica de bajo voltaje
1100+
EMPLEADOS
Equipo profesional garantiza calidad y entrega estables
100M+
CAPACIDAD ANUAL DE LOS POLOS
Capacidad de producción a gran escala para satisfacer la demanda mundial
90%
PRODUCCIÓN AUTOMATIZADA
Automatización avanzada para alta eficiencia y consistencia
Línea de ensamblaje automatizada
Laboratorio de pruebas
Inyección y Estampado
Inspección de calidad
Un estricto sistema de control de calidad garantiza que cada producto cumpla con los estándares mundiales.
¿Qué podemos personalizar?
Flexible customization services are available for enclosure dimensions, component configuration,
branding and project requirements.
Recinto
Diseño
Tamaños, estructuras y detalles de instalación de recintos personalizados.
Interno
Configuración
Opciones flexibles de diseño interno y disposición de componentes.
Marca e
Logo
Logotipos de marca propia, placas de identificación e identificación de marca.
Empaquetado
Diseño
Soluciones de embalaje, cajas personalizadas, etiquetas y manuales.
Eléctrico
Configuración
Instalación eléctrica adaptada a los requisitos de la aplicación.
Certificación
Apoyo
Soporte para estándares del mercado objetivo y requisitos de cumplimiento.
Descargar
Interruptor automático de caja moldeada serie CQM6
Descripción general completa de componentes eléctricos de bajo voltaje y referencia para la selección de productos.
¿Necesita documentos técnicos?
Contáctenos para obtener hojas de datos, certificados, planos, orientación de selección o soporte para proyectos OEM/ODM.
Preguntas frecuentes
¿Admite la personalización de productos según nuestros requisitos de diseño?
Absolutamente. Nos especializamos en cooperación OEM y ODM en el campo de la electricidad de bajo voltaje y hemos brindado servicios personalizados a muchas empresas de renombre internacional. Ofrecemos soporte de proceso completo, que incluye diseño de I+D, ajustes de parámetros y selección de materiales especiales, asegurando que el producto cumpla completamente con sus requisitos.
P2: ¿Cuál es tu capacidad de producción y Cantidad Mínima de Pedido (MOQ)?
A2: Operamos una base de producción altamente automatizada con una producción anual de más de 100 millones de polos para interruptores automáticos en miniatura. Nuestra política de MOQ es flexible. Podemos ofrecer pedidos de prueba competitivos para lotes pequeños y planes de garantía de capacidad de producción dedicada.
P3: ¿Qué garantías hay sobre la calidad del producto y las certificaciones?
Nuestros productos principales cuentan con las certificaciones CCC, CE, CB y más, y se venden en más de 30 países y regiones en todo el mundo. La empresa ha establecido un Centro de Operaciones de Calidad dedicado que trabaja con los departamentos de negocios y producción para implementar un control de calidad de proceso completo, garantizando que los productos cumplan con los estándares internacionales.
P4: ¿Tiene la capacidad para la I+D de productos y para convertir conceptos en realidad?
A4: Contamos con un equipo completo de I+D y talleres digitales, respaldados por una amplia experiencia en personalización al servicio de numerosos clientes internacionales. Desde la propuesta conceptual y el desarrollo de muestras hasta la producción en masa, ofrecemos soporte técnico integral para ayudar a dar vida a tus ideas.
