Interruptor Automático Serie CQW2

Guía de Solicitudes y Selección

Use the following decision points with the preserved model data. Product-family descriptions explain intent, but the exact technical table controls the ordered variant.

Guía de pedidos

1. State the exact model and variant.
2. Provide the system voltage, current, frequency and load or protection function.
3. Confirm mounting, terminals, accessories, enclosure and environmental conditions.
4. Share quantity, destination market and required technical documents.

Comprobaciones de Instalación y Coordinación

• Verify the model’s ratings and connection arrangement against the project drawings.
• Check conductor, busbar, enclosure, clearances and tightening requirements using the product documentation.
• Coordinate upstream and downstream protection or control devices where applicable.
• Use qualified personnel for installation, testing, isolation and maintenance.

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)

Corriente nominal	H (mm)
200、400、630	6
800、1000	10
1250、1600	18

CQW2-1600 Series Drawout Type Installation Dimensions (Unit: mm)

Corriente nominal	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