- Informações Básicas
| Item | Parâmetro |
| Marca | CHNT |
| Série | NC1 Series (Contator CA) |
| Modelo | NC1-2508 (4-pólo, 2NO+2NC main contacts) |
| Modelo de substituição | Can replace Schneider LC1D25008 contactor |
| Certificações | CE, UL, PCT, RCC, VDE, UKRTEST, ESC, etc.. |
| Standards | CEI 60947-4-1, GB/T 14048.4 |
- Electrical Rated Parameters
| Parâmetro | Valor | Observações |
| Contagem de pólos | 4P (4-pólo) | 2NO+2NC main contact configuration |
| AC-1 Rated Current | 40UM (a 400 V) | Carga resistiva |
| Corrente nominal AC-3 | 25UM (a 400 V) | Motor load, the most commonly used category |
| AC-3 Rated Power | 11kW (400V, 3-fase) | Matching motor power |
| Tensão operacional nominal | 690V e (50/60Hz) | Maximum operating voltage |
| Tensão da bobina de controle | 24V/48V/110V/220V/230V/240V/380V AC optional | 220VAC and 380VAC are commonly used |
| Consumo de energia da bobina | Aprox.. 45VA for pull-in, aprox.. 9VA para retenção | AC coil parameters |
| Classe de isolamento | Classe F | Coil insulation |
- Mecânico & Environmental Parameters
| Parâmetro | Valor |
| Frequência operacional | AC-3: 600 cycles/hour; AC-4: 1200 cycles/hour |
| Vida útil elétrica | AC-3: 1 milhões de ciclos; AC-4: 100,000 cycles |
| Vida útil mecânica | 10 milhões de ciclos |
| Categoria de utilização | AC-3 (Starting and breaking of squirrel-cage motors during operation), AC-4 (Começando, plugging, reversing operation or jogging of squirrel-cage motors) |
| Installation Category | Category Ⅲ |
| Altitude | ≤2000m |
| Temperatura ambiente | -5℃~+40℃ (Derating required when temperature exceeds +40℃) |
| Relative Humidity | ≤50% (at +40℃), higher humidity allowed at lower temperatures |
| Grau de Proteção | IP20 (main body) |
| Método de montagem | Montagem em trilho DIN padrão de 35 mm ou fixação por parafuso |
- Estrutura & Características
- Configuração do contato principal: 4-pole design with 2 Normalmente aberto (NÃO) + 2 Normalmente fechado (NC) contatos, meeting the requirements of special control circuits
- Coil System: Adopts high-quality electromagnetic materials with low power consumption design, ensuring reliable pull-in and low noise
- Sistema de extinção de arco: High-efficiency arc extinguishing chamber guarantees breaking capacity and extends contact service life
- Contatos Auxiliares: Can be expanded with F4 series auxiliary contact modules (ordered separately), up to 4NO+4NC maximum configuration
- Thermal Relay Compatibility: Can be combined with NR2 series thermal overload relays to form an electromagnetic starter, realizing motor overload protection
- Escopo de aplicação
- Frequent starting, stopping and reversing control of AC motors
- Remote switching on and breaking of circuits
- Combination with thermal overload relays to protect circuits prone to overload
- Suitable for various motor control configurations such as DOL (Direct-On-Line) starting, star-delta starters and reversible contactors
- Widely used in industrial automation, building electrical systems, power systems and other fields
- Explicação do modelo
NC1-2508:
NC1: Series code of CHNT AC contactors
25: AC-3 rated current of 25A
08: 4-pole main contact configuration, 2NÃO+2NC (08=2NA+2NC, 04=4NO, 00=4NC)
- Selection Tips
- Select the appropriate model according to load type (AC-3/AC-4) and rated current
- Ensure the control circuit voltage matches the coil voltage
- Select NC1-2508Z model if DC coil is required (the suffix “Z” indicates DC coil)
- Add F4 series auxiliary modules when auxiliary contacts are insufficient
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