Technical Specifications
Main Features and Advantages
The Eaton AN16SN0AB offers several key features that provide significant advantages in motor control applications. Its most compelling attribute is its integrated design, combining a powerful contactor with a bimetallic overload relay in a single, compact footprint. This saves valuable space in control panels while providing comprehensive protection for the motor. The included bimetallic overload relay is adjustable and ambient compensated, allowing for precise calibration to the motor’s full-load amperage. This ensures a Class 20 trip time, which is essential for preventing motor damage from sustained overload conditions. The AN16SN0AB also features an electrically isolated, side-mounted auxiliary contact, which is standard on this model and can be used for signaling a tripped condition to a PLC or for other control circuit logic.
User-Friendly Design: The starter is designed for ease of installation and maintenance. It features accessible top and bottom terminals for straightforward wiring, and the coil terminals are conveniently located for easy replacement without disturbing the main power wiring. The AN16SN0AB supports a full line of snap-on accessories, including auxiliary contacts and timers, which provides flexibility to customize the starter for specific application needs. Its robust construction, using high-strength, impact and temperature-resistant materials, ensures a long service life and reliable operation in harsh industrial settings.
Application Field
The Eaton AN16SN0AB is widely used in heavy-duty industrial applications that require reliable starting and stopping of large three-phase AC motors. Its primary application fields are in industrial machinery, manufacturing, and process industries. It is commonly found in applications such as:
- Pumps and Fans: Used to control large pump and fan motors in water treatment plants, HVAC systems, and ventilation applications.
- Compressors: Provides a reliable starting method for industrial air compressors.
- Conveyors and Material Handling: Controls the motors that power heavy-duty conveyors in manufacturing plants, mines, and distribution centers.
- Machine Tools: Used in various machine tools and production equipment that require high horsepower and reliable motor control. The AN16SN0AB is a foundational component for any system that requires a robust, full-voltage starter for a high-amperage motor.
Related Products
Eaton C306 Bimetallic Overload Relay: The specific overload relay used in the AN16SN0AB that provides motor protection. Eaton C320KGS21: A snap-on auxiliary contact block that can be added to the starter for additional control functions. Eaton C440: A series of electronic overload relays that can be used as an alternative to the bimetallic relay for more advanced protection. Eaton AN16AN0AB: A smaller NEMA Size 00 motor starter from the same Freedom Series. Eaton AN16YN0A: A reversing starter from the same series, which uses a combination of two contactors to allow a motor to run in both directions. Eaton 9-1891-3: A replacement coil for the AN16SN0AB in case of a coil failure.
Installation and Maintenance
Pre-installation preparation: Before installing the Eaton AN16SN0AB, ensure all power to the circuit is de-energized. Mount the starter in the control cabinet, allowing for adequate ventilation. Connect the main power wires to the line and load terminals. Wire the control circuit to the 120VAC coil terminals and the auxiliary contacts. The overload relay requires separate heater packs, which must be selected based on the motor’s full-load amperage and installed before commissioning.
Maintenance recommendations: Routine maintenance for the AN16SN0AB involves periodic visual inspections. Check for any signs of overheating, loose connections, or damage to the power contacts. Ensure the overload relay is clean and free of dust. The manual reset button can be tested periodically. The modular design of the starter allows for easy replacement of the coil or overload relay if needed, which simplifies maintenance and reduces downtime.
Product Guarantee
Eaton provides a robust product guarantee for the AN16SN0AB, reflecting its global reputation for quality and reliability in power management. Every AN16SN0AB is manufactured to meet or exceed industry standards, including UL and CSA certifications, and is designed for a long service life in demanding industrial environments. The product is backed by a standard warranty that covers defects in materials and workmanship. Eaton’s extensive network of authorized distributors and technical support specialists is available to assist with all aspects of the product’s application, from selection to troubleshooting. This commitment to quality and comprehensive support ensures that users can rely on the AN16SN0AB for dependable motor control and protection.
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