Motor Control Contactor

The series of Motor Control Contactors provides a robust and versatile solution for managing AC motor circuits and general electrical loads. These products are designed for use in alternating current circuits with a frequency of 50Hz and a rated operational voltage up to 660V. They are capable of handling rated operational currents up to 95A (for 3-phase systems ≤440V). Their primary purpose is to enable the remote connection and disconnection of electrical circuits. Moreover, these products are exceptionally well-suited for the frequent starting, stopping, and general control of AC motors, making them indispensable in industrial automation. When operated at a suitably reduced working current (utilization category AC-4), they can also handle more demanding applications such as plugging, reverse starting, and frequent inching of squirrel-cage induction motors. For comprehensive system protection, these products can be paired with thermal overload relays, creating a combined unit that effectively safeguards circuits against operational overloads, thereby preventing motor damage and enhancing system safety. To ensure the Motor Control Contactor delivers reliable and consistent performance over its lifespan, adherence to the following standard working and installation conditions is essential: a) Ambient air temperature: the upper limit is +40°C, with the 24-hour average value not exceeding +35°C, and the lower limit is ≥-5°C. b) Altitude: the installation location should not be above 2000 meters. c) Air relative humidity: at a temperature of +40°C, the relative humidity must not exceed 50%. The average minimum temperature of the wettest month should not exceed +25°C, and that month's average maximum relative humidity should not exceed 90%. d) Pollution degree: 3. e) Installation category: III. f) Shock and vibration: The product must be installed in an environment free from significant shaking, impact, or vibration. g) Installation condition: The inclination of the contactor's mounting surface relative to the vertical plane should not be greater than 5°. Engineered for durability and ease of use, this series of Motor Control Contactors stands as a trusted choice for engineers seeking dependable performance in a wide array of motor control and power switching applications.

External shape and installation dimensions