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| Segmento de código | Descrição |
| NA1 | Series code for Chint air circuit breakers (ACB) |
| 3200 | Corrente nominal do quadro: 3200UM (maximum current specification of the breaker) |
| X | Grau de capacidade de ruptura: Class X (100o); distinguished from standard type (80o) and Class H (120o) |
| 3200 | Rated operating current: 3200UM (actual set working current) |
| M | Tipo de unidade de disparo: Intelligent trip unit (Micrológico); distinguished from standard Type L and high-breaking Type H |
| 3P | Número do pólo: 3-pólo (3-phase circuit protection, without neutral pole) |
- Especificações Técnicas Principais
| Categoria de parâmetro | Technical Data |
| Tipo de produto | Intelligent low-voltage air circuit breaker (ACB) |
| Tensão operacional nominal | AC 400V/690V, 50Hz |
| Quadro atual (Eu) | 3200UM |
| Corrente operacional nominal (Em) | 3200UM |
| Capacidade nominal máxima de interrupção de curto-circuito (UTI) | 100o (Class X @ 400V) |
| Capacidade nominal de interrupção de curto-circuito em serviço (CIs) | 100o (equal to Icu) |
| Corrente suportável nominal de curta duração (Icw) | 80o (1é) |
| Unidade de viagem | Type M intelligent trip unit, featuring long-time delay overload, short-time delay short-circuit and instantaneous short-circuit protection |
| Tipo de montagem | Draw-out or fixed type (X series is generally draw-out) |
| Modo de operação | Manual or motorized (motor operating mechanism optional) |
| Tensão do Circuito de Controle | AC 220V/380V or DC 220V (opcional) |
| Contatos Auxiliares | Padrão: 5NÃO + 5NC (expansível) |
| Proteção de entrada | IP30 (compatível com GB/T 4942.2) |
| Applicable Standards | GB/T 14048.2, IEC/EN 60947-2 |
| Dimensões (A×L×P) | Draw-out type: aprox.. 600mm×400mm×1000mm (refer to official manual for exact data) |
| Peso | Aprox.. 80~100kg (varies by mounting type and accessory configuration) |
- Recursos principais
3.1 Intelligent Protection System
Three-stage protection: Long-time delay for overload (inverse time characteristic), short-time delay for short circuit (selectable fixed/inverse time), and instantaneous short-circuit protection, precisely matching power distribution system requirements.
Earth fault protection: Residual current protection optional, sensitivity adjustable from 0.03A to 1A.
Adjustable protection parameters: Flexible parameter configuration via intelligent controller to adapt to diverse load characteristics.
Gravação de falhas: Automatically stores the latest 10 fault records including fault type, current value and time for rapid troubleshooting.
3.2 High Reliability Design
High Class X breaking capacity: 100kA short-circuit breaking capacity to ensure reliable disconnection under severe short-circuit faults and guarantee equipment safety.
Optimized arc extinguishing system: Adopts multi-break and longitudinal seam arc extinguishing technology for rapid arc extinction and fast recovery after breaking.
Longa vida útil: Mechanical durability up to 10,000 operações; electrical durability up to 5,000 operações.
Vibration and shock resistance: Compatível com GB/T 14048.2 to adapt to harsh industrial environments.
3.3 Expansibilidade flexível
Rich optional accessories: Viagem de manobra, disparo por subtensão, closing solenoid, motor charging mechanism, contatos auxiliares, contatos de alarme, key lock, etc..
Extended communication: Optional Modbus-RTU, Profinet, EtherNet/IP modules for remote monitoring and intelligent power distribution management.
Interlock functions: Cable interlock and connecting rod interlock available to meet electrical and mechanical interlock requirements.
- Compatible Equipment & Cenários de aplicação
Compatible Equipment
Distribution transformer: Main protection switch for low-voltage side of transformers
Generator set: Protection switch for generator outgoing circuits
Busbar system: Bus section protection and tie control
Large motor: Incoming switch for Motor Control Center (MCC)
UPS system: Protection switch for UPS input and output circuits
Cenários de aplicação
- Distribuição de energia industrial: Main power distribution systems for factories, workshops and production lines.
- Commercial building power distribution: Main and floor power distribution for shopping malls, hotels and high-rise buildings.
- Centros de dados: Mission-critical areas requiring high power supply reliability such as server rooms and cloud computing centers.
- New energy industry: Low-voltage power distribution systems for photovoltaic power stations and wind farms.
- Infrastructure: Power distribution systems for transportation hubs including airports, subways and railways.
- Comparação de modelos
| Modelo | Quebrando Capacidade | Corrente nominal | Unidade de viagem | Aplicativo |
| NA1-3200-3200M/3P | 80o (Padrão) | 3200UM | Type M Intelligent | General industrial distribution with low short-circuit current |
| NA1-3200X-3200M/3P | 100o (Class X) | 3200UM | Type M Intelligent | Industrial sites with high short-circuit current and high breaking capacity requirements |
| NA1-3200H-3200M/3P | 120o (Class H) | 3200UM | Type M Intelligent | Large industrial enterprises and grid connection points with extreme short-circuit current |
| NA1-3200X-2500M/3P | 100o (Class X) | 2500UM | Type M Intelligent | 3200A frame with actual load current of 2500A |
| NA1-3200X-3200L/3P | 100o (Class X) | 3200UM | Type L Standard | General scenarios with basic protection demands |
- Cross-Brand Equivalent Model Comparison
| Chint | Siemens | Schneider | ABB | Mitsubishi |
| NA1-3200X-3200M/3P | 3WL2N32 ETU25B 3P | MT32H1 3P 3200A Micrologic 5.0 | EMAX2 E3S3200 R100 3P | AE3200-SW 3P F 3200A |
| Quebrando Capacidade | 100o | 100o | 100o | 85o |
| Unidade de viagem | Type M Intelligent | ETU25B Intelligent | Micrológico 5.0 Inteligente | Standard Intelligent Trip |
| Tipo de montagem | Draw-out / Fixo | Draw-out / Fixo | Draw-out / Fixo | Draw-out / Fixo |
| Comunicação | Optional Modbus / Profinet | Optional Profinet / Ethernet/IP | Optional Modbus / Profinet | Optional CC-Link / Profinet |
- Seleção & Application Guidelines
- Correspondência de capacidade de ruptura: Select proper grade according to system short-circuit current calculation (Standard 80kA, Class X 100kA, Class H 120kA).
- Rated current selection: Determine operating current based on total load current and future expansion; optional ratings under 3200A frame: 2000UM, 2500UM, 3200UM.
- Trip unit selection: Type M intelligent trip for most industrial and commercial applications; Type L standard trip for simple protection requirements.
- Tipo de montagem: Draw-out type for easy maintenance and replacement (critical circuits); fixed type for cost-effective general circuits.
- Modo de operação: Manual for small-capacity and infrequent operation; motorized for large-capacity, frequent operation and remote control.
- Configuração de acessórios: Select shunt trip, disparo por subtensão, auxiliary contacts and communication modules as required by control and protection logic.
- Manutenção: Regularly inspect mechanical mechanisms, arc extinguishing chambers and contact wear to ensure long-term stable operation.
Chint NA1-3200X-3200M/3P Complete Accessory List & Selection Codes
- Core Control Accessories (Essential for Control Circuit)
1.1 Viagem de manobra (F)
Used for remote breaker tripping, applicable to emergency shutdown and automatic control systems.
| Tipo | Modelo | Tensão nominal | Consumo de energia | Aplicativo | Selection Code |
| Contínuo (Default) | NA1-F-3200X | AC220V/230V | 460VA(AC220V) | Controle industrial geral, infrequent operation | F-AC220 |
| AC380V/400V | 400VA(AC380V) | F-AC380 | |||
| CC110V | 70C(CC110V) | F-DC110 | |||
| DC220V | 140C(DC220V) | F-DC220 | |||
| Pulse Type (Recomendado) | NA1-FP-3200X | AC220V/230V | 880VA(AC220V) | Wind & solar power, ATS system, frequent operation | FP-AC220 |
| AC380V/400V | 1800VA(AC380V) | FP-AC380 | |||
| CC110V | 850C(CC110V) | FP-DC110 | |||
| DC220V | 880C(DC220V) | FP-DC220 |
Selection Note: Pulse type: single power-on duration ≤ 2s, máx. 5 times/min; Continuous type: single power-on duration ≤ 2s to avoid component burnout.
1.2 Desarme por subtensão (Q)
Automatically trips the breaker under low grid voltage to prevent equipment overload damage.
| Tipo | Modelo | Tensão nominal | Operating Characteristic | Delay Time | Selection Code |
| Instant Suction (Default) | NA1-Q-3200X | AC230V | Trip at 70% Us, reliable trip at 35% Us | Instant | Q-AC230 |
| AC400V | Q-AC400 | ||||
| Delayed Suction | NA1-QD-3200X | AC230V | Igual ao acima | 1s/3s/5s (Fixo) | QD-AC230-1s |
| AC400V | QD-AC400-3s | ||||
| Self-suction Delay | NA1-QZ-3200X | AC230V | Igual ao acima | 0.3s~7.5s (Ajustável) | QZ-AC230 |
| AC400V | QZ-AC400 | ||||
| Under-voltage Delay (UVTZ-1) | NA1-UVTZ-1 | AC230V | Automatic reclosure after voltage recovery | 1s/3s/5s | UVTZ-1-AC230 |
| AC400V |
Selection Note: 3200A frame adopts instant suction type as standard; self-suction type features wider delay range for voltage-fluctuation-sensitive equipment.
1.3 Closing Solenoid (X) / Closing Coil
For remote closing, matched with motor charging mechanism.
| Tipo | Modelo | Tensão nominal | Consumo de energia | Aplicativo | Selection Code |
| Pulse Type (Mandatory for ATS) | NA1-X-3200X | AC220V/230V | Same as shunt trip | Automatic control system, frequent closing | X-AC220 |
| AC380V/400V | X-AC380 | ||||
| CC110V | X-DC110 | ||||
| DC220V | X-DC220 |
1.4 Motor Charging Mechanism (M)
Stores energy for breaker closing and provides closing power.
| Modelo | Tensão nominal | Poder | Charging Time | Selection Code |
| NA1-M-3200X | AC220V/230V | 0.37kW | ≤15s | M-AC220 |
| AC380V/400V | M-AC380 | |||
| CC110V | M-DC110 | |||
| DC220V | M-DC220 |
- Controle Inteligente & Communication Accessories
2.1 Intelligent Controller Upgrade
Type M is standard; upgraded versions with enhanced functions are optional.
| Modelo | Características | Aplicativo | Selection Code |
| Type 3M | Added voltage measurement and harmonic analysis | Power quality monitoring required | 3M |
| Type H | Advanced protection with extended parameter settings | Complex power distribution systems & precise protection | H |
| Type 3H | Highest configuration, full 3M+H functions + event logging | Critical circuits & fault analysis | 3H |
2.2 Communication Modules (Monitoramento Remoto)
| Module Type | Modelo | Protocol | Função | Matching Component | Selection Code |
| Modbus-RTU | NA1-COM-MOD | Modbus-RTU | Data acquisition & remote control | Not required | COM-MOD |
| Profibus-DP | NA1-COM-DP | Profibus-DP | Industrial fieldbus communication | ST-DP protocol module | COM-DP+ST-DP |
| Profinet | NA1-COM-PN | Profinet | Ethernet communication | PSU-1 power module | COM-PN+PSU-1 |
| Ethernet/IP | NA1-COM-ENIP | Ethernet/IP | EtherNet/IP communication | PSU-1 power module | COM-ENIP+PSU-1 |
2.3 Auxiliary Functional Modules
| Nome | Modelo | Função | Aplicativo | Selection Code |
| Power Supply Unit | PSU-1 | Stable power supply for communication modules | Mandatory for all Ethernet modules | PSU-1 |
| Relay Module | RU-1 | Signal amplification & contact expansion (AC250V/10A, DC28V/10A) | High-power load control | RU-1 |
| Under-voltage Delay Controller | UVTZ-1 | Delayed trip during temporary low voltage | Voltage-sensitive equipment | UVTZ-1 |
- Auxiliary Contact System (Indicação de status & Controlar)
NA1-3200X standard configuration: 4 sets of transfer contacts (4NO+4NC), expansível.
| Tipo | Modelo | Configuração de contato | Avaliação | Aplicativo | Selection Code |
| 3 sets Transfer | NA1-AX-3Z | 3NO+3NC | AC230V/5A | Basic control | AX-3Z |
| 4 sets Transfer (Default) | NA1-AX-4Z | 4NO+4NC | AC230V/5A | Configuração padrão | AX-4Z |
| 5 sets Transfer | NA1-AX-5Z | 5NO+5NC | AC230V/5A | Extended control | AX-5Z |
| 3NO+3NC | NA1-AX-33 | 3NO+3NC | AC230V/5A | Custom control logic | AX-33 |
| 4NO+4NC | NA1-AX-44 | 4NO+4NC | AC230V/5A | Configuração padrão | AX-44 |
| 5NO+5NC | NA1-AX-55 | 5NO+5NC | AC230V/5A | Complex control | AX-55 |
| 6NO+6NC | NA1-AX-66 | 6NO+6NC | AC230V/5A | Only for Type M controller, cannot match suction undervoltage delay | AX-66 |
- Intertravamento Mecânico & Safety Accessories
4.1 Intertravamento Mecânico (Misoperation Prevention)
| Tipo | Modelo | Função | Aplicativo | Selection Code |
| Connecting Rod Interlock | NA1-LK-LG | Mutual interlock for two breakers to prevent simultaneous closing | Bus tie & ATS system | LK-LG |
| Cable Interlock | NA1-LK-GL | Remote mechanical interlock, standard cable length: 2eu | ATS system with large cabinet spacing | LK-GL |
| Key Lock | NA1-KEY | Multiple configurations: 1-lock-1-key, 2-lock-1-key | Unauthorized operation prevention | KEY-1-1 |
| KEY-2-1 | ||||
| Button Lock | NA1-BL | Lock closing/tripping buttons | Accidental touch prevention | BL |
4.2 Door Interlock
| Tipo | Modelo | Função | Aplicativo | Selection Code |
| Position Door Interlock | NA1-DL-WZ | Cabinet door locked at test/connected position | Draw-out breaker, electric shock prevention | DL-WZ |
| Status Door Interlock | NA1-DL-ZT | Cabinet door locked when breaker closed | Live operation prevention for all types | DL-ZT |
4.3 Other Safety Accessories
| Nome | Modelo | Função | Aplicativo | Selection Code |
| Transparent Protective Cover | NA1-TP | IP54 protection for operating mechanism | Dust environments & safety enhancement | TP |
| Counter | NA1-CT | Mechanical operation counting | Frequent circuits & predictive maintenance | TC |
| Position Indicator | NA1-PS | Draw-out position indication (Disconnect/Test/Connected) | Draw-out breaker status monitoring | PS |
| Phase Barrier | NA1-PSB | Isolate three-phase busbars to prevent phase short circuit | Insulation improvement | PSB |
- Montagem & Connection Accessories
5.1 Main Circuit Accessories
| Nome | Modelo | Avaliação | Aplicativo | Selection Code |
| Horizontal Busbar | NA1-BUS-H | 3200UM | Standard horizontal wiring | BUS-H |
| Vertical L-type Busbar | NA1-BUS-V | 3200UM | Instalação vertical & space saving | BUS-V |
| Rotatable Busbar | NA1-BUS-R | 3200UM | Flexible wiring for draw-out breakers | BUS-R |
5.2 Secondary Circuit Accessories
| Nome | Modelo | Função | Aplicativo | Selection Code |
| Secondary Connector | NA1-SP | Secondary circuit connection for draw-out breakers | Quick plug & unplug | SP |
| Control Fuse | NA1-FU | 6UM, control circuit protection | Mandatory for all control loops | FU-6A |
- Complete Configuration Example
Exemplo:
NA1-3200X-3200M/3P, motorized draw-out type, AC220V, with shunt trip / disparo por subtensão / closing solenoid + 5 sets transfer contacts + Profinet communication + connecting rod interlock
Complete Order Model:
NA1-3200X-3200M/3P Motorized Draw-out AC220 F-AC220 Q-AC230 X-AC220 AX-5Z COM-PN+PSU-1 LK-LG
- Accessory Application Notes
- Unified control voltage: Use identical voltage for shunt trip, disparo por subtensão, closing solenoid and motor charging mechanism to simplify wiring.
- Communication matching: PSU-1 power module required for Profinet/EtherNet/IP; ST-DP module required for Profibus-DP.
- Auxiliary contact capacity: 5A@AC230V; use RU-1 relay module for high-power load control.
- Undervoltage trip requirement: Undervoltage trip coil must be powered on before breaker closing.
- Shunt trip specification: Single energization time ≤ 2s, frequency ≤ 5 times/min to avoid overheating damage.
