Chint NC1-2501 AC contactor

Chint NC1-2501 is an contactor de CA belonging to Chint’s NC1 product series. It is mainly used for remote control of the start and stop of motors in industrial circuits, and can be used in conjunction with thermal overload relays to protect circuits. The following is detailed information about this model:

1. Parámetros y funciones principales
2. Electrical Specifications

Corriente nominal: 25A (Under AC-3 service category, the applicable motor power is 11kW at 380V).

Tensión nominal de aislamiento: 690V, suitable for AC circuits with 50/60Hz.

Voltaje de la bobina: Multiple options are available, including 24V, 36V, 48V, 110V, 220V, 380V, etc.. (The specific voltage shall be confirmed according to the model suffix; Por ejemplo, NC1-2501Z is the DC coil version).

Contactos auxiliares: 1 set of normally closed contacts (el “01” in the model indicates this configuration), which can expand auxiliary functions.

2. Escenarios de aplicación

– Suitable for frequent starting and control of AC motors, and serves as a core control component in scenarios such as industrial machinery, pump equipment, y fans.

– Cumple con IEC/EN 60947-4-1 y GB/T 14048.4 estándares, and has obtained UL certification, which can meet the safety requirements of the North American market.

1. Características del producto
2. Diseño e instalación

Estructura compacta: Admite montaje en carril DIN estándar de 35 mm, ahorrando espacio y facilitando el mantenimiento.

Convenient Wiring: The main circuit terminals support 4-10mm² wires, and the control circuit adopts spring terminals to ensure reliable connection.

Vida mecánica: Arriba a 10 millones de operaciones, suitable for high-frequency operation environments.

2. Fiabilidad

– The coil has a built-in surge suppressor (such as the SR2 series), which can reduce electromagnetic interference and extend the service life.

– The DC coil version (p.ej., NC1-2501Z) has no AC noise, making it suitable for occasions with high requirements for environmental quietness.

III. Purchase and Alternative Options

1. Canales de adquisiciones

Mercado internacional: Chint products have obtained UL certification and can be purchased via WhatsApp: 0086-13811255435.

2. Modelos alternativos

– For higher performance, you can consider the NXC series AC contactors (p.ej., NXC-25). They are compatible with the installation dimensions of the NC1 series, while featuring energy-saving design and a wider voltage adaptation range.

– For reversible control function, you can choose the NC1-N series (p.ej., NC1-25N), which has a built-in mechanical interlocking mechanism to ensure the safety of motor forward and reverse rotation.

1. Precauciones
2. Model Selection and Matching

– Select the corresponding coil specification according to the load current and voltage to avoid coil burnout caused by voltage mismatch.

– It is recommended to use it together with NR2 series thermal overload relays (p.ej., NR2-25) to provide overload and phase-failure protection.

2. Instalación y mantenimiento

– Durante la instalación, ensure that the ambient temperature is between -25℃ and +70℃, and avoid humid and dusty environments.

– Regularly check the contact wear condition, and replace the auxiliary contact module (p.ej., F4-02) if necessary.

1. Technical Documents and Support

Technical Consultation

For customized solutions or troubleshooting, please contact via WhatsApp: 0086-13811255435.

Through the above information, users can fully understand the functions, applications, and procurement methods of NC1-2501, and select appropriate configurations and purchase channels based on specific needs.