Siemens 5.5-8A Thermal Overload Relay 3RU2126-1HB0

Siemens 3RU2126-1HB0 Thermal Overload Relay

The Siemens 3RU2126-1HB0 is a thermal overload relay designed to provide reliable motor protection by preventing damage caused by overloads and phase failures. This device is an integral component of the SIRIUS 3RU2 series, known for its precision and durability in industrial applications.

Key Features

• Adjustable Current Range: The relay offers an adjustable current setting between 5.5 to 8.0 A, allowing for precise calibration to match specific motor requirements.
• Reset Options: Equipped with both manual and automatic reset capabilities, providing flexibility in response to overload conditions.
• Phase Loss Protection: Incorporates phase failure sensitivity to detect and respond to phase loss, enhancing motor safety.
• Trip Class: Class 10 tripping ensures rapid response, disconnecting power within 10 seconds during overcurrent situations.
• Mounting Compatibility: Designed for seamless integration with Siemens 3RT2 size S0 contactors, facilitating straightforward installation.
• Terminal Connections: Features screw terminals for both main and auxiliary circuits, ensuring secure and reliable connections.

Technical Specifications

• Operational Voltage: Up to 690 V AC.
• Power Rating: Suitable for motors up to 5.5 kW at 400 V.
• Auxiliary Contacts: Includes 1 Normally Open (NO) and 1 Normally Closed (NC) contact for versatile control options.
• Operating Temperature Range: Designed to function effectively in environments ranging from -40°C to +70°C.
• Dimensions: Compact design with a width of 45 mm, height of 102 mm, and depth of 84 mm, facilitating easy integration into control panels.

The Siemens 3RU2126-1HB0 thermal overload relay is engineered to deliver dependable motor protection, ensuring operational efficiency and safety in various industrial settings.