This product page details the ABB AF460 contactor, a heavy-duty industrial switching device designed for high-power applications. The AF460-30-11 model is rated for 250KW at 400V with a 460A current capacity, featuring a universal 100-250V AC/DC coil, three main normally open power contacts, and versatile auxiliary contacts (1NO+1NC) with reliable screw terminal connections for demanding industrial environments.
Overview of the AF460 Contactor
The ABB AF460 contactor serves as a critical component in industrial power distribution and motor control systems. Because it can handle extremely high electrical loads while providing millions of reliable switching operations, it is ideally suited for heavy industrial applications where equipment durability and operational safety are paramount considerations.
Key Features and Technical Specifications
This industrial-grade contactor is engineered for maximum performance and longevity. Therefore, here are its essential characteristics:
- Model: AF460-30-11 specific configuration
- Power Rating: 250KW at 400V for three-phase systems
- Current Capacity: 460A continuous current rating
- Poles: 3-pole configuration for three-phase applications
- Coil Voltage: Universal 100-250V AC/DC for flexible control
- Main Contacts: 3 normally open (NO) power contacts
- Auxiliary Contacts: 1 NO + 1 NC for control circuits
- Terminals: Screw terminals for secure high-current connections

Typical Applications and Use Cases
The exceptional power handling capability of the AF460 contactor makes it suitable for the most demanding industrial applications. For example, it is commonly used for:
- Heavy industrial motor control (100-300HP range)
- Main power switching in manufacturing facilities
- Large compressor and pump control systems
- Industrial heating system power control
- High-capacity air conditioning and chiller systems
- Mining and mineral processing equipment
- Steel production and metal processing machinery
For complete high-power control solutions, explore our range of compatible ABB contactors and accessories for various power ratings.
Why Choose the ABB AF460 Contactor?
Selecting the ABB AF460 contactor provides significant advantages for heavy industrial applications. Firstly, the 250KW rating at 400V with 460A capacity ensures reliable operation with the most demanding three-phase loads encountered in industrial settings. Secondly, the universal 100-250V AC/DC coil voltage provides exceptional flexibility for control circuit design, allowing operation with virtually any standard control voltage without requiring additional components. Consequently, you achieve robust power control with unparalleled installation flexibility for complex industrial automation systems.
Installation and Operational Guidelines
Proper installation of the AF460 contactor is crucial for optimal performance and safety. Mount the contactor securely using appropriate hardware, ensuring adequate clearance for ventilation and maintenance access. Use properly sized cables for the 460A rating and torque the screw terminals to ABB’s specifications to ensure reliable connections. Furthermore, always verify the control voltage matches your system requirements within the 100-250V AC/DC range and test both main and auxiliary contact operation before energizing the system.
For detailed technical specifications and application guidelines, consult the comprehensive ABB AF contactor technical documentation.
Power Your Heavy Industrial Applications Today
In summary, the ABB AF460 contactor with its 250KW rating and universal coil voltage represents the pinnacle of reliability for heavy industrial power control applications. Finally, by incorporating this robust contactor into your control systems, you ensure maximum operational reliability, enhanced safety, and long-term performance for your most demanding electrical applications.