Allen-Bradley 193-BSB30 Bulletin 193 self-protected overload relay, 30A, 3-pole, fixed Class 10 trip. Provides overload and phase-loss protection for motors up to 15 HP at 480V AC. Integrates directly into starter assemblies without separate fuses or circuit breakers for short-circuit protection.

Overload Relay The Allen-Bradley 193-BSB30 Overload Relay is an essential component designed for protecting motors from overload conditions, ensuring reliable and safe operation in various industrial applications. With its robust construction and advanced functionality, this overload relay is ideal for enhancing motor control systems and safeguarding equipment from damage due to excessive currents. ## Key Features • **Current Rating:** Designed for a maximum current of 30A, providing reliable protection for motors up to 30 Amps. • **Adjustable Settings:** Features adjustable overload settings from 1.0 to 1.6 times the full load current, allowing for customized protection according to specific motor requirements. • **Trip Class:** Class 10 trip characteristics ensure timely disconnection in case of overload, minimizing the risk of motor damage. • **Compact Design:** Space-saving design facilitates easy installation and integration into existing control panels without occupying excessive space. • **Self-resetting Mechanism:** Automatic reset feature restores operation after the fault condition is cleared, improving operational efficiency. ## Applications • **Motor Protection:** Primarily used in motor control applications to prevent overheating and potential failure due to overloads. • **Industrial Automation:** Compatible with Allen-Bradley PLC systems, enhancing automation processes in manufacturing environments. • **HVAC Systems:** Suitable for use in heating, ventilation, and air conditioning (HVAC) systems, ensuring reliable operation under varying load conditions. ## Benefits • **Enhanced Safety:** Provides critical protection against motor damage, thereby increasing the lifespan of equipment and reducing maintenance costs. • **Improved Efficiency:** Quick response time to overload conditions enhances overall system reliability and minimizes downtime. • **User-Friendly:** Easy installation and adjustable settings make it suitable for various applications, allowing for flexibility in operation. --- *Product information compiled with AI assistance for reference purposes.*