Why Choose the ABB EF19-6.3 Electronic Overload Relay?
The ABB EF19-6.3 Electronic Overload Relay (Part Number: 1SAX121001R1104) is a high-performance electronic motor overload protection relay engineered to provide accurate protection for three-phase motors against overload, phase failure and overheating. As part of the reliable ABB EF19 electronic overload relay series, it delivers dependable motor protection while helping improve the reliability and lifespan of industrial motor control systems.
Using advanced electronic sensing technology, the EF19-6.3 provides consistent protection regardless of ambient temperature. The relay is self-powered, eliminating the need for an external control supply, and features selectable trip classes to suit a wide range of motor starting characteristics. It mounts directly onto compatible ABB AF contactors for quick and efficient installation.
With an adjustable current setting range of 1.9-6.3 A, integrated auxiliary contacts and robust industrial construction, the EF19-6.3 is an excellent choice for motor starters used in conveyors, pumps, compressors, HVAC systems and automated production equipment.
Key Advantages
- Accurate electronic overload protection for three-phase motors.
- Adjustable current range of 1.9-6.3 A for flexible motor protection.
- Selectable Trip Class 10E, 20E and 30E.
- Protects motors against overload and phase failure.
- Self-powered design requiring no external power supply.
- Direct mounting onto compatible ABB AF contactors for rapid installation.
Key Features
- ABB EF19 electronic overload relay series.
- Current adjustment: 1.9-6.3 A.
- Rated operational current: 6.3 A.
- Selectable Trip Classes 10E / 20E / 30E.
- 1 NO + 1 NC auxiliary contacts.
- Automatic or manual reset selection.
- Integrated STOP, TEST and trip indication.
- Direct contactor mounting with screw terminals.
Reliable Motor Protection for Industrial Applications
Electronic overload relays continuously monitor motor current to detect overload and phase loss conditions before damage can occur. This helps minimise downtime, extend motor life and improve the reliability of industrial equipment.
The ABB EF19 series combines high measurement accuracy, a wide operating temperature range and adjustable trip characteristics, making it an ideal solution for machine builders, panel manufacturers and industrial maintenance engineers.
Typical Applications
- Industrial motor starters and control panels.
- Conveyors and material handling systems.
- Pumps and compressors.
- HVAC and ventilation equipment.
- Packaging and manufacturing machinery.
- Industrial automation and process control systems.
