Interruptor Automático Serie CQW2
Características del producto
■ Rated current from 200A to 6300A, suitable for AC 400V/690V, 50Hz distribution networks.
■ Provides comprehensive protection: overload, short-circuit, undervoltage, and earth fault protection, with isolation functionality.
■ High breaking capacity (Icu up to 120kA at AC415V) and short-circuit withstand capability.
■ Modular and compact design supports both fixed and withdrawable installation.
■Intelligent controller options (L/M/H-type) with precise selective protection, communication support (e.g., Profibus-DP), and remote monitoring capabilities.
■ Complies with IEC 60947-2 and GB/T 14048 standards.
Operating & Installation Conditions
■ Ambient temperature: −5℃ to +40℃ (average ≤ +35℃ within 24 hours).
■ Altitude: ≤ 2000 m (derating required above 2000 m).
■ Pollution degree: 3.
■ Relative humidity: ≤ 50% at +40℃; higher humidity permissible at lower temperatures.
■ Suitable for installation in non-explosive environments, free of conductive dust and corrosive substances.
■ Must be mounted vertically (±5° tilt tolerance).
■ Protection rating: IP30 (IP40 with door frame mounted).
■ Installation category:
- Main circuit & undervoltage release: Ⅳ
- Auxiliary/control circuits: Ⅲ
■ Connection: Horizontal or vertical, based on model configuration.
Designación del tipo
| Code Position | Code Symbol | Meaning & Explanation |
| ① | Enterprise Code | Zhejiang Chuangqi Electric Co., LTD. |
| ② | Product Code | Universal Circuit Breaker |
| ③ | Design Serial Number | Design Serial Number |
| ④ | Frame Rating Code | 1600, 2000, 3200, 4000, 6300 |
| ⑤ | Número de polos | 3: 3-Pole, 4: 4-Pole |
| ⑥ | Mounting Type | D: Drawout Type, F: Fixed Type |
| ⑦ | Rated Current | 200~6300A |
| ⑧ | Intelligent Controller | L: Electronic Type, M: Standard Type, H: Communication Type |
| ⑨ | Control Circuit Voltage | AC230V, AC400V, DC220V, DC110V |
Especificaciones técnicas
| Parámetro | CQW2-1600 | CQW2-2000 | CQW2-3200 | |
| Rated Current In (A) | 200, 400, 630, 800 1000, 1250, 1600 |
400, 630, 800, 1000 1250, 1600, 2000 |
2000, 2500, 2900, | |
| N-pole Rated Current | 100%In | 100%In | 100%In | |
| Rated Operational Voltage Ue | AC415V/690V | AC415V/690V | AC415V/690V | |
| Rated Frequency f | 50/60Hz | 50/60Hz | 50/60Hz | |
| Rated Insulation Voltage Ui | 1000V | 1250V | 1000V | |
| Rated Impulse Withstand Voltage Uimp | 12kV | 12kV | 12kV | |
| Número de polos | 3, 4 | 3, 4 | 3, 4 | |
| Total Break Time | ≤30ms | ≤30ms | ≤30ms | |
| Closing Time | ≤70ms | ≤70ms | ≤70ms | |
| Rated Ultimate Short-Circuit | AC415V | 65kA | 80kA | 100kA |
| Breaking Capacity Icu (RMS) | AC690V | 42kA | 65kA | 75kA |
| Rated Service Short-Circuit | AC415V | 55kA | 80kA | 85kA |
| Breaking Capacity Ics (RMS) | AC690V | 35kA | 65kA | 65kA |
| Rated Making Capacity Icm | AC415V | 143kA | 176kA | 220kA |
| (Peak) | AC690V | 88kA | 143kA | 176kA |
| Rated Short-Time Withstand | AC415V | 42kA | 60kA | 85kA |
| Current Icw (RMS) | AC690V | 35kA | 40kA | 55kA |
| Operating Performance (Number of operations) |
Mechanical Life – Maintenance-Free |
10000 | 15000 | 15000 |
| Mechanical Life – With Maintenance |
10000 | 15000 | 15000 | |
| Operating Frequency | 20 operations/hour | 20 operations/hour | 20 operations/hour | |
| Electrical Life – AC415V | 15000 | 15000 | 15000 | |
| Electrical Life – AC690V | 30000 | 30000 | 30000 | |
| Operating Frequency | 60 operations/hour | 60 operations/hour | 60 operations/hour | |
| Control and Protection Unit | L Type (Electronic Type) | |||
| M Type (Standard Type) | ||||
| H Type (Communication Type) | ||||
| Connection Method | Horizontal | |||
| Vertical | ||||
| Estándar | IEC60947-2, GB/T14048.2 | |||
| Parámetro | CQW2-4000 | CQW2-6300 | |
| Rated Current In (A) | 3200, 3600, 4000 | 4000, 5000, 6300 | |
| N-pole Rated Current | 100%In | 100%In | |
| Rated Operational Voltage Ue | AC415V/690V | AC415V/690V | |
| Rated Frequency f | 50/60Hz | 50/60Hz | |
| Rated Insulation Voltage Ui | 1000V | 1000V | |
| Rated Impulse Withstand Voltage Uimp | 12kV | 12kV | |
| Número de polos | 3, 4 | 3, 4 | |
| Total Break Time | ≤30ms | ≤30ms | |
| Closing Time | ≤70ms | ≤70ms | |
| Rated Ultimate Short-Circuit Breaking Capacity Icu (RMS) |
AC415V | 100kA | 120kA |
| AC690V | 80kA | 85kA | |
| Rated Service Short-Circuit Breaking Capacity Ics (RMS) |
AC415V | 85kA | 100kA |
| AC690V | 70kA | 75kA | |
| Rated Making Capacity Icm (Peak) |
AC415V | 220kA | 264kA |
| AC690V | 176kA | 187kA | |
| Rated Short-Time Withstand Current Icw (RMS) |
AC415V | 85kA | 100kA |
| AC690V | 70kA | 75kA | |
| Operating Performance (Number of operations) |
Mechanical Life – Maintenance-Free |
6000 | 1000 |
| Mechanical Life – With Maintenance |
3000 | 800 | |
| Operating Frequency | 20 operations/hour | 20 operations/hour | |
| Electrical Life – AC415V | 12500 | 5000 | |
| Electrical Life – AC690V | 25000 | 10000 | |
| Operating Frequency | 60 operations/hour | 60 operations/hour | |
| Control and Protection Unit | L Type (Electronic Type) | ||
| M Type (Standard Type) | |||
| H Type (Communication Type) | |||
| Connection Method | Horizontal | ||
| Vertical | |||
| Estándar | IEC60947-2, GB/T14048.2 | ||
Lista de accesorios
| Accessory Name | Parameters | |
| Estándar Configuración |
Closing Solenoid | AC230V, AC400V, DC220V, DC110V |
| Shunt Release | AC230V, AC400V, DC220V, DC110V | |
| Energy Storage Motor | AC230V, AC400V, DC220V, DC110V | |
| Auxiliary Switch | 4 changeover contacts (default), 5 changeover contacts, 4NO+4NC, 6NO+6NC | |
| Others | Phase barrier, Door frame, Drawer base three-position lock | |
| Optional Configuración |
Undervoltage Release | AC230V, AC400V |
| Instantaneous, Delayed: 0.5s, 1s, 3s, 5s | ||
| Trip Locking Device | 1 lock + 1 key, 2 locks + 1 key, 3 locks + 2 keys, 6NO+6NC | |
| Mechanical Interlock | For 2 circuit breakers: Linkage interlock (vertical), Cable interlock | |
| For 3 circuit breakers: Linkage interlock (vertical), Cable interlock | ||
| Others | Residual Current Transformer, External Neutral Current Transformer, Relay Module | |
| Communication Module (Profibus-DP), Power Module, Wireless Remote Control Module | ||
Intelligent Controller
| Parámetro | CQW2-L | CQW2-M | CQW2-2M |
 |
 |
 |
|
| Basic Functions |
Overload long-time delay protection; Short-time delay short-circuit protection; Instantaneous short-circuit protection; Ground fault protection; Dial switch grading setting; Running current bar graph indication; Test function; Fault recording function; Thermal memory function |
Overload long-time delay protection; Short-time delay short-circuit protection; Instantaneous short-circuit protection; Ground fault protection (differential type); LED digital display; Key setting method; Ammeter function; Test function; Fault recording function; Thermal memory function |
Overload long-time delay protection; Short-time delay short-circuit protection; Instantaneous short-circuit protection; Ground fault protection (differential type); LED digital display; Key setting method; Ammeter function; Test function; Fault recording function; Thermal memory function; Clock function; Self-diagnosis function; Contact pattern and mechanical operation count |
| Optional Functions |
MCR make-break and over-limit tripping; Contact output; 3P+N type neutral protection |
MCR make-break and over-limit tripping; Contact output; Voltage function; Residual current type leakage protection; Clock function; Current unbalance protection; Remote reset function; Load monitoring function; 3P+N type neutral protection; Low voltage ride-through |
MCR make-break and over-limit tripping; Contact output; Voltage function; Residual current type leakage protection; Current unbalance protection; Remote reset function; Load monitoring function; 3P+N type neutral protection; Low voltage ride-through |
| Optional Accessories |
DC Power Module (DC110V/220V) External N-phase Transformer |
DC Power Module (DC110V/220V) External N-phase Transformer Ground Current Transformer ZT100 Residual Current Transformer ZCT1 ST201 Relay Module ST-4 Power Module ST Handheld Programmer |
DC Power Module (DC110V/220V) External N-phase Transformer Ground Current Transformer ZT100 Residual Current Transformer ZCT1 ST201 Relay Module ST-4 Power Module ST Handheld Programmer |
Nota:
1.Only one of the following functions can be selected: 3P+N neutral protection, groundcurrent type leakage protection, or residual current leakage protection. The correspondingtransformer accessory must be additionally selected.
2.Only one signal unit (S1, S2, or S3) can be selected.
3.For detailed instructions on the intelligent controller, please refer to the “SW1 Series Intelligent Controller User Manual”.
| Parámetro | CQW2-2H | CQW2-3M | CQW2-3H |
 |
 |
 |
|
| Basic Functions |
Overload long-time delay protection; Short-circuit short-time delay protection; Short-circuit instantaneous protection; Ground fault protection (differential type); LED digital tube display; Key setting method; Ammeter function; Fault memory function; Thermal memory function; Clock function; Self-diagnosis function; Contact pattern and mechanical operation count; Communication function |
Load monitoring (current method 1); Multi-curve long-time delay protection; Multi-curve short-time inverse-time protection; Short-time definite-time protection; Instantaneous protection; Current unbalance (phase loss) protection; Ground fault alarm; Ground fault protection (default T-type); Neutral protection; Four-phase current and ground current measurement; Thermal capacity; Eight records of faults, alarms and status changes; Historical current peak; Contact equivalent; Operation count; Clock function; Self-diagnosis; Chinese graphical LCD display; LCD status indicator; Keyboard operation |
Load monitoring (current method 1); Multi-curve long-time delay protection; Multi-curve short-time inverse-time protection; Short-time definite-time protection; Instantaneous protection; Current unbalance (phase loss) protection; Ground fault alarm; Ground fault protection (default T-type); Neutral protection; Four-phase current and ground current measurement; Thermal capacity; Eight records of faults, alarms and status changes; Historical current peak; Contact equivalent; Operation count; Clock function; Self-diagnosis; Chinese graphical LCD display; LCD status indicator; Keyboard operation; Communication function |
| Optional Functions |
MCR make-break and over-limit tripping; Contact output; Voltage function; Residual current type leakage protection; Clock function; Current unbalance protection; Remote reset function; Load monitoring function; 3P+N type neutral protection; Low voltage ride-through |
Function Table: D, U, UD, P, PD, H Select HD from the table (refer to function table description) Signal Unit: S1, S2, S3 Load Monitoring: Current Method 2 3P+N Type Neutral Protection Ground Current Type Leakage Protection Residual Current Type Leakage Protection Remote Reset Function |
Function Table: D, U, UD, P, PD, H Select HD from the table (refer to function table description) Signal Unit: S1, S2, S3 Load Monitoring: Current Method 2 3P+N Type Neutral Protection Ground Current Type Leakage Protection Residual Current Type Leakage Protection Remote Reset Function Profibus-DP Communication Protocol Device-net Communication Protocol |
| Optional Accessories |
DC Power Module (DC110V/220V) External N-phase Transformer Ground Current Transformer ZT100 Residual Current Transformer ZCT1 ST201 Relay Module ST-4 Power Module ST Handheld Programme |
DC Power Module (DC110V/220V) External N-phase Transformer Ground Current Transformer ZT100 Residual Current Transformer ZCT1 ST201 Relay Module Selective Zone Interlocking Protection Device |
DC Power Module (DC110V/220V) External N-phase Transformer Ground Current Transformer ZT100 Residual Current Transformer ZCT1 ST201 Relay Module Selective Zone Interlocking Protection Device |
| D | U | UD | P |
| Demand Measurement(Current) Demand Protection |
Voltage Measurement Frequency Measurement Voltage Unbalance Rate Measurement Phase Sequence Detection Overvoltage Protection Undervoltage Protection Voltage Unbalance Protection Overfrequency Protection Underfrequency Protection Phase Sequence Protection |
Voltage Measurement Frequency Measurement Voltage Unbalance Rate Measurement Phase Sequence Detection Current Demand Measurement Overvoltage Protection Undervoltage Protection Voltage Unbalance Protection Overfrequency Protection Underfrequency Protection Phase Sequence Protection Demand Protection |
Voltage Measurement Frequency Measurement Voltage Unbalance Rate Measurement Phase Sequence Detection Power Measurement Power Factor Measurement Energy Measurement Overvoltage Protection Undervoltage Protection Voltage Unbalance Protection Overfrequency Protection Underfrequency Protection Phase Sequence Protection |
| PD | H | HD |
| Voltage Measurement Frequency Measurement Voltage Unbalance Rate Measurement Phase Sequence Detection Power Measurement Power Factor Measurement Energy Measurement Demand Measurement (Current, Power) Overvoltage Protection Undervoltage Protection Voltage Unbalance Protection Overfrequency Protection Underfrequency Protection Phase Sequence Protection |
Voltage Measurement Frequency Measurement Voltage Unbalance Rate Measurement Phase Sequence Detection Power Measurement Power Factor Measurement Energy Measurement Harmonic Measurement Undervoltage Protection Voltage Unbalance Protection Overfrequency Protection Underfrequency Protection Phase Sequence Protection |
Voltage Measurement Frequency Measurement Voltage Unbalance Rate Measurement Phase Sequence Detection Power Measurement Power Factor Measurement Energy Measurement Demand Measurement (Current, Power) Undervoltage Protection Overvoltage Protection Undervoltage Protection Voltage Unbalance Protection Overfrequency Protection Underfrequency Protection Phase Sequence Protection Reverse Power Protection |
Secondary Circuit Wiring Diagram
Wiring diagram of secondary circuit for SW1-1600-6300 circuit breakers equipped with L/M type intelligent controllers (auxiliary switch default
configuration: 4 changeover contacts)
| Terminal Number | Function Description | Symbol | Explanation | Observaciones |
| 1, 2 | Auxiliary power input: AC230V, AC400V, DC220V, DC110V |
SW1 | SW1 Universal Circuit Breaker | Customer self-provided |
| For DC power: 1 is (+), 2 is (-) | S1~S4 | Signal lamp | Customer self-provided | |
| 3, 4, 5 | Fault trip auxiliary contact, contact capacity: AC250V, 3A |
TA | Current transformer | |
| 20 | Grounding (PE) | SAL | Micro switch | Customer self-provided |
| 27, 28 | Undervoltage release | SB1 | Open button | Customer self-provided |
| 29, 30 | Shunt release | SB2 | Close button | |
| 31, 32 | Closing electromagnet | x | Closing electromagnet | |
| 33, 34, 35 | Motor-operated mechanism (motor energy storage), 37 connect green wire, 38 connect black wire, 39 connect red wire |
F | Shunt release | |
| 36~48 | Auxiliary contact terminal | Q | Undervoltage release | |
| M | Motor-operated mechanism | Customer self-provided | ||
| SA | Travel switch of motor-operated mechanism | Customer self-provided | ||
| Fu | Fuse | Customer self-provided | ||
| PE | Grounding | |||
| N | Neutral line (N phase) | |||
| A, B, C | Phase line | |||
| For customer optional use of AX auxiliary switch form | AX | Auxiliary switch | ||
Wiring diagram of secondary circuit for SW1-1600-6300 circuitbreakers equipped with H type intelligent controllers (auxiliary :switch default configuration: 4 changeover contacts)
| Terminal Number | Function Description | Symbol | Explanation | Observaciones |
| 1, 2 | Auxiliary power input: AC230V, AC400V, DC220V, DC110V |
SW1 | SW1 Universal Circuit Breaker | Customer self-provided |
| For DC power: 1 is (+), 2 is (-) | S1~S4 | Signal lamp | Customer self-provided | |
| 3, 4, 5 | Fault trip auxiliary contact, contact capacity: AC250V, 3A |
TA | Current transformer | |
| 10, 11 | Communication interface output, 10 is (+), 11 is (-) |
SAL | Micro switch | Customer self-provided |
| 12~15 | DO1, Programmable signal output, contact capacity: AC250V, 3A |
SB1 | Open button | Customer self-provided |
| 14, 15 | DO2, Programmable signal output, contact capacity: AC250V, 3A |
SB2 | Close button | Customer self-provided |
| 16, 17 | DO3, Trip signal output, contact capacity: AC250V, 3A |
X | Closing electromagnet | |
| 18, 19 | DO4, Closing signal output, contact capacity: AC250V, 3A |
F | Shunt release | |
| 20 | Grounding (PE) | Q | Undervoltage release | |
| 21, 22, 23, 24 | Voltage signal measurement, 21 connect N phase, 22 connect A phase, 23 connect B phase, 24 connect C phase |
M | Motor-operated mechanism | |
| 25, 26 | External N-phase transformer input | SA | Travel switch of motor-operated mechanism | Customer self-provided |
| 27, 28 | Undervoltage release | Fu | Fuse | Customer self-provided |
| 29, 30 | Shunt release | PE | Grounding | |
| 31, 32 | Closing electromagnet | N | Neutral line (N phase) | |
| 33, 34, 35 | Motor-operated mechanism (motor energy storage), 37 connect green wire, 38 connect black wire, 39 connect red wire |
A, B, C | Phase line | |
| 36~48 | Auxiliary contact terminal | AX | Auxiliary switch | |
| For customer optional use of AX auxiliary switch form | ST-DP Module |
Required for Profibus-DP communication | ||
| ST-DP Module |
Required for communication function | |||
| ST201 Relay Module |
Required for communication function | |||
Dimensiones (mm)
CQW2-1600 Series Fixed Type Overall Dimensions (Unit: mm)
| Rated current | H (mm) |
| 200、400、630 | 6 |
| 800、1000 | 10 |
| 1250、1600 | 18 |
CQW2-1600 Series Drawout Type Installation Dimensions (Unit: mm)
| Rated current | H (mm) |
| 200、400、630 | 6 |
| 800、1000 | 10 |
| 1250、1600 | 18 |
CQW2-1600 Series Fixed Type Overall Dimensions (Unit: mrm)
| In | a (mm) |
| 400~800A | 10 |
| 1000~1600A | 15 |
| 2000A | 20 |
CQW2-1600 Series Drawout Type Installation Dimensions (Unit: mm)
| In | a (mm) |
| 400~800A | 10 |
| 1000~1600A | 15 |
| 2000A | 20 |
CQW2-1600 Series Fixed Type Overall Dimensions (Unit: rnm)
| In | a (mm) | b (mm) |
| 2000,2500A | 20 | 408 |
| 2900~3200A | 30 | 428 |
CQW2-1600 Series Drawout Type Installation Dimensions (Unit: mm)
| In | a (mm) | b (mm) | c (mm) |
| 2000,2500A | 20 | 506 | 552 |
| 2900-3200A | 30 | 526 | 572 |
CQW2-4000 Series Drawout Type (3-Pole) Frame II Increased Capacity Type OvDimensions (Unit: mm)
CQW2-4000 Series Drawout Type (4-Pole) Overall Dimensions (Unit: mm)
CQW2-6300 Series (In=5000A, 4000A) Drawout Type Overall Dimensions (Unit: mm)
CQW2-6300 Series (In=6300A) Drawout Type (3-Pole) Overall Dimensions (Unit: mm)
CQW2 Series Enclosure Door Frame Outline and Irnstallation Dimensions (Unit: mm)
| Número de modelo | a | b | c |
| CQW2-2000 | 304 | 345 | 263 |
| CQW2-3200, 4000/3P | 366 | 405 | 325 |
| CQW2-4000/4P | 304 | 345 | 263 |
| CQW2-6300 | 366 | 405 | 325 |
¿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 Serie CQW2
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.
