Siemens 3ZX1012-0RU11-1AA1 3.5-5.0A Overload Relay 3RU1116-1FB0

Siemens 3ZX1012-0RU11-1AA1 3.5-5.0A Overload Relay 3RU1116-1FB0

The Siemens 3ZX1012-0RU11-1AA1, also known as the 3RU1116-1FB0, is a thermal overload relay designed to provide reliable motor protection by preventing overheating and potential damage due to overload conditions. This device is an integral component in industrial motor control systems, ensuring operational safety and efficiency.

Key Features

• Adjustable Current Range: The relay offers an adjustable current setting between 3.5 to 5.0 Amps, allowing for precise calibration to match specific motor requirements.
• Trip Class 10: Engineered with a Class 10 trip characteristic, it ensures rapid response to overload conditions, typically tripping within 10 seconds at 7.2 times the rated current.
• Manual and Automatic Reset: Equipped with both manual and automatic reset options, providing flexibility in operation and maintenance.
• Phase Loss Protection: Incorporates phase failure detection to safeguard motors against damage from phase loss scenarios.
• Compact Design: Designed for direct mounting onto Siemens SIRIUS 3RT1015, 3RT1016, and 3RT1017 contactors, facilitating space-saving installations.
• Durable Construction: Built to withstand industrial environments, ensuring longevity and consistent performance.

Technical Specifications

• Current Setting Range: 3.5 to 5.0 Amps
• Size: S00
• Mounting: Contactor mounting with screw terminals for both main and auxiliary circuits
• Operating Temperature Range: -40 to +70 degrees Celsius
• Auxiliary Contacts: 1 Normally Open (NO) and 1 Normally Closed (NC)
• Standards Compliance: Conforms to IEC 60947 and EN 60947 standards

The Siemens 3RU1116-1FB0 thermal overload relay is an essential component for protecting motors from overload and phase failure, ensuring reliable and efficient operation in various industrial applications.