The Siemens 3RU2136-4FB0 is a thermal overload relay designed to provide reliable motor protection within a current range of 28 to 40 amperes. As part of the SIRIUS 3RU2 series, this relay offers robust performance and flexibility for various industrial applications.
Key Features
- Current Range: Adjustable from 28 to 40 A, accommodating a variety of motor sizes.
- Trip Class: Class 10, ensuring prompt response to overload conditions.
- Mounting: Designed for direct mounting onto SIRIUS 3RT203 contactors, facilitating seamless integration.
- Reset Options: Equipped with both manual and automatic reset capabilities, providing operational flexibility.
- Auxiliary Contacts: Includes 1 normally open (NO) and 1 normally closed (NC) contact for enhanced control options.
- Phase Failure Protection: Offers protection against phase loss, safeguarding motors from potential damage.
- Terminal Type: Features screw terminals for secure and straightforward wiring connections.
Technical Specifications
- Operating Voltage: Up to 690 V AC.
- Frequency: Suitable for 50/60 Hz applications.
- Ambient Temperature Range: Operates efficiently between -40°C and +70°C.
- Enclosure Rating: IP20/IP00, indicating protection against solid objects and limited ingress.
- Dimensions: 55 mm (W) x 105 mm (D) x 90 mm (H).
- Compliance: Meets international standards with approvals from UL, CSA, CCC, and EAC.
The Siemens 3RU2136-4FB0 thermal overload relay is engineered to deliver dependable motor protection, ensuring operational safety and efficiency in industrial environments.
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