Why Choose the ABB EF19-18.9 Electronic Overload Relay?
The ABB 1SAX111001R1103 EF19-18.9 is a compact and reliable electronic overload relay designed to provide accurate motor protection against overload and phase failure conditions in industrial automation and motor control systems. As part of the advanced ABB EF19 electronic overload relay series, it provides precise protection, adjustable trip characteristics and direct compatibility with ABB contactors.
This self-powered electronic overload relay eliminates the need for an additional external supply while providing fast and dependable motor protection. The EF19 series combines easy adjustment with advanced electronic monitoring features including temperature compensation, selectable trip classes, automatic or manual reset selection, trip indication and integrated STOP and TEST functions.
With an adjustable current setting range of 5.7–18.9 A and a rated operational current of 18.9 A, the ABB EF19-18.9 is suitable for protecting small and medium industrial motors when installed directly with compatible ABB contactors.
Key Advantages
- Advanced electronic overload protection for industrial motors.
- 5.7–18.9 A adjustable current range for flexible motor protection.
- Self-powered design removes the need for a separate external control supply.
- Selectable 10E, 20E and 30E trip classes for application flexibility.
- Protection against motor overload and phase failure.
- Automatic or manual reset selection for improved maintenance control.
Key Features
- ABB EF19 electronic overload relay series.
- EF19-18.9 model.
- 5.7–18.9 A adjustable overload setting range.
- 18.9 A rated operational current.
- 3-pole motor protection design.
- 1 normally open and 1 normally closed auxiliary contact.
- Selectable trip class 10E, 20E and 30E.
- Temperature compensation for accurate operation.
- Trip-free mechanism for reliable protection.
- Direct mounting onto compatible ABB contactors.
Reliable Motor Protection for Industrial Systems
Electronic overload relays such as the ABB EF19-18.9 continuously monitor motor current and disconnect the motor starter when abnormal overload or phase failure conditions occur. This helps prevent motor damage, improve equipment reliability and reduce unplanned downtime.
The ABB EF19 series is designed for industrial motor starters requiring accurate protection, wide adjustment ranges and dependable operation. Its compact construction and direct contactor mounting make it suitable for modern automation and machinery applications.
Typical Applications
- Industrial motor control panels.
- Machinery and production equipment.
- Pumps, fans and process systems.
- Manufacturing and automation systems.
- OEM motor starter assemblies.
- Industrial electrical control equipment.
