25A AC Capacitor Contactor, 3 Pole, 220V/380V

ATO capacitor contactor for sale, this 25A AC capacitor contactor with selectable 220V or 380V coil rated voltage is designed for capacitor bank switching in reactive power compensation systems. Featuring a durable heat-resistant design and convenient 35mm DIN rail mounting, it provides stable performance and easy installation for electrical control applications.

Specification

Feature

• Reliable Capacitor Switching: 25A AC capacitor contactor is designed for capacitor bank switching and protection in reactive power compensation systems, featuring 3 poles and 1NO+1NC auxiliary contacts.
• Heat-Resistant Copper Coil: High-quality copper coil improves heat resistance, reduces overheating, and ensures smooth contact operation with long service life.
• Stable Magnetic System: The AC capacitor contactor uses 32 silicon steel sheets and an enlarged iron core structure to improve heat dissipation, minimize energy loss, and provide stable operation with smooth contact engagement.
• Safe & Easy Wiring: Enlarged terminals and PA66 insulating base provide secure connections and reliable performance for heavy-load applications.
• 35mm DIN Rail Mounting: The 25A capacitor switching contactor features a standard 35mm DIN rail mounting design with a dual-hole wiring structure, allowing quick installation, secure connection, and convenient maintenance in electrical cabinets.

Detail

Size (unit: mm)

Wiring

220V

380V

Application

Tips: Why use a capacitor contactor instead of a standard AC contactor for capacitor banks?

A capacitor contactor is specifically designed for switching capacitor banks used in power factor correction and reactive power compensation systems. Unlike a standard AC contactor, it includes a current-limiting mechanism that helps suppress the high inrush current generated when a capacitor is energized. This reduces contact arcing, minimizes electrical stress, and prevents premature contact damage during frequent switching operations. By providing smoother capacitor switching and more reliable performance, a capacitor contactor helps extend the service life of both the contactor and connected capacitor equipment, making it a better choice for automatic power compensation cabinets, industrial power systems, and electrical distribution applications.