The Siemens 3RU2126-1JB0 is a thermal overload relay designed to provide reliable motor protection by preventing excessive temperature rises due to overloads or phase failures.
Key Features
- Current Range: Adjustable from 7.0 to 10.0 A, accommodating various motor sizes and applications.
- Trip Class: Class 10, ensuring rapid response to overload conditions to protect motor integrity.
- Mounting Compatibility: Designed for direct mounting onto Siemens SIRIUS 3RT2023, 3RT2024, 3RT2025, 3RT2026, 3RT2027, and 3RT2028 size S0 contactors, facilitating seamless integration.
- Reset Options: Offers both manual and automatic reset capabilities, providing flexibility based on operational requirements.
- Auxiliary Contacts: Equipped with one normally open (NO) and one normally closed (NC) auxiliary contact for versatile control circuit configurations.
- Terminal Type: Features screw terminals for secure and straightforward wiring connections.
- Operating Temperature Range: Designed to function effectively in environments ranging from -40°C to +70°C, ensuring reliability under various conditions.
- Protection Features: Includes phase loss sensitivity to detect and respond to phase failures, enhancing motor protection.
Applications
Ideal for safeguarding three-phase motors in industrial settings, the 3RU2126-1JB0 thermal overload relay ensures operational safety and longevity by preventing damage from overloads and phase imbalances.
Technical Specifications
- Current Setting Range: 7.0 to 10.0 A
- Trip Class: 10
- Mounting: Direct mounting onto size S0 contactors
- Reset Method: Manual or automatic
- Auxiliary Contacts: 1 NO + 1 NC
- Terminal Type: Screw terminals
- Operating Temperature: -40°C to +70°C
- Phase Loss Protection: Yes
By integrating the Siemens 3RU2126-1JB0 thermal overload relay into your motor control systems, you can enhance protection against overload conditions and phase failures, thereby improving the reliability and efficiency of your operations.
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