Contactor Chint | Installation and Maintenance Instructions

Chint contactor is one of the important electrical devices widely used in industrial automation control systems. With modern design, high durability and stable operation, CHINT contactors not only meet the strict requirements of the industry but also help optimize the working efficiency of electrical systems. In this article, we will provide detailed instructions on how to install and maintain the Chint Contactor, helping you master the process to ensure the device operates stably and prolongs its service life.

1. Introduction to Contactor CHINT

- Contactor, also known as magnetic starter, is a low-voltage electrical device that performs regular switching on and off of dynamic electrical circuits. Contactor is a particularly important electrical device in the electrical system. Thanks to contactors, we can control devices such as motors, capacitors, lighting systems, etc. via push buttons, automatic mode or remote control.

- Chint contactor is one of the leading electrical equipment widely used in industrial electrical systems. With superior quality and durability, Chint contactors deliver reliability and stable performance for power applications.

Contactor CHINT

2. Popular Contactor product lines

Chint provides many different contactor product lines, meeting the diverse needs of customers. Among them, the NXC-22 series stands out with its compact design, easy installation and stable performance.
Code selection table for CHINT contactor lines:

NS2 series contactors:

Prodcut code	Frequency	Cutting line
NS2-25X 0.1-0.16A	50/60Hz	10Ka
NS2-25X 0.16-0.25A	50/60Hz	10Ka
NS2-25X 0.25-0.4A	50/60Hz	10Ka
NS2-25X 1.6-2.5A	50/60Hz	10Ka
NS2-25X 1-1.6A	50/60Hz	10Ka
NS2-25X 13-18A	50/60Hz	10Ka
NS2-25X 17-23A	50/60Hz	10Ka
NS2-25X 2.5-4A	50/60Hz	10Ka
NS2-25X 20-25A	50/60Hz	10Ka
NS2-25X 4-6.3A	50/60Hz	10Ka
NS2-25X 6-10A	50/60Hz	10Ka
NS2-32X 24-32A	50/60Hz	10Ka
NS2-80B 16A-25A	50/60Hz	10Ka
NS2-80B 25A-40A	50/60Hz	10Ka
NS2-80B 40A-63A	50/60Hz	10Ka
NS2-80B 56A-80A	50/60Hz	10Ka

NXC series contactors:

Product code	Electricquota	Voltage
NXC-06 220V 50/60Hz	6A	220V
NXC-06-380	6A	380V
NXC-09 220V 50/60Hz	9A	220V
NXC-09 380V 50/60Hz	9A	380V
NXC-100 220V 50/60Hz	100A	220V
NXC-12 220V 50/60Hz	12A	220V
NXC-12 380V 50/60Hz	12A	380V
NXC-120 380V 50/60Hz	120A	380V
NXC-16 220V 50/60Hz	16A	220V
NXC-16 380V 50/60Hz	16A	380V
NXC-160 220V 50/60Hz	160A	220V
NXC-160 380V 50/60Hz	160A	380V
NXC-18 220V 50/60Hz	18A	220V
NXC-18 380V 50/60Hz	18A	380V
NXC-185 220V 50/60Hz	185A	220V
NXC-185 380V 50/60Hz	185A	380V
NXC-22 220V 50/60Hz	22A	220V
NXC-22 380V 50/60Hz	22A	380V
NXC-225 220V 50/60Hz	225A	220V
NXC-225-380	225A	380V
NXC-25 220V 50/60Hz	25A	220V
NXC-25 380V 50/60Hz	25A	380V
NXC-265 AC/DC 220V-240V	265A	220V
NXC-32 220V 50/60Hz	32A	220V
NXC-32 380V 50/60Hz	32A	380V
NXC-330 AC/DC 220V-240V	330A	220V
NXC-38 220V 50/60Hz	38A	220V
NXC-38 380V 50/60Hz	38A	380V
NXC-40 220V 50/60Hz	40A	220V
NXC-40 380V 50/60Hz	40A	380V
NXC-400 AC/DC 220V-240V	400A	220V
NXC-400-380	400A	380V
NXC-50 220V 50/60Hz	50A	220V
NXC-50 380V 50/60Hz	50A	380V
NXC-500 AC/DC 220V-240V	500A	220V
NXC-630 AC/DC 220V-240V	630A	220V
NXC-65 220V 50/60Hz	65A	220V
NXC-65 380V 50/60Hz	65A	380V
NXC-75 220V 50/60Hz	75A	220V
NXC-75 380V 50/60Hz	75A	380V
NXC-85 220V 50/60Hz	85A	220V
NXC-85 380V 50/60Hz	85A	380V

3. Instructions for installing CHINT Contactor

Step 1: Prepare
• Check the equipment and necessary tools: Before starting installation, thoroughly check the Chint NXC-32 contactor device and tools such as screwdrivers, wire cutters, and electric meter.
•    Make sure the power source is completely turned off: This is important to avoid the risk of electric shock and ensure safety during work.
Step 2: Installation
•    Position the contactor at the desired location: Select a suitable, easily accessible and well-ventilated location to install the contactor.
•    Fix the contactor to the surface with screws or rails: Use screws or rails to firmly attach the contactor to the surface, ensuring the device does not shake or move during operation.
Step 3: Connect the power cord
•    Wire the power to the contactor input terminals: Follow the electrical diagram and wire the power to the contactor input terminals correctly.
•    Connect electrical devices to the output terminals according to the electrical diagram: Connect electrical devices such as motors and lights to the output terminals of the contactor according to the electrical diagram.
Step 4: Check
•    Make sure the connections are secure and there are no short circuits: Carefully check the connections to ensure there are no loose or short circuits.
•    Turn on the power and check the contactor's operation: After completing the installation, turn on the power and check the contactor's operation to ensure the device operates normally.

4. Regular maintenance and inspection of Chint Contactor

•   Perform regular monthly or quarterly inspections
Testing time: Perform periodic testing monthly or quarterly, depending on the contactor's usage level and operating environment.
Inspection content: Check contacts, wire connectors and moving parts of the contactor. Make sure that there is no excessive wear, oxidation or dirt that would interfere with operation.
•    Clean contacts and check for wear
•    Replace damaged parts to ensure continuous operation
Signs of damage: If the contactor is detected with signs of damage such as burned contacts or not working when there is a control signal, it should be replaced immediately.
Replacement procedure: Turn off the power before replacing the contactor. Then, remove the old contactor and install the new contactor according to the correct installation procedure.

5. Contactor applications in industrial electrical systems

Chint contactors are used in a variety of applications such as motor control, lighting systems, and industrial automation systems. With good load capacity and stable operation, they are the ideal choice for systems requiring high reliability.
- Electrical equipment systems in factories and enterprises
- Applications for lighting systems, water pumping, irrigation...
- Civil electrical system

6. Benefits of using Contactor Chint

•   High durability and long lifespan.
•    Easy installation and maintenance.
•    Stable and reliable performance.
•    Competitive prices compared to similar products.

7. Where to buy Chint Contactor?

You can buy Chint contactors at reputable electrical equipment distributors, or directly at Chint stores. Be sure to check certifications and warranties when purchasing products to ensure quality.