Why Choose the ABB EF19-2.7 Electronic Overload Relay?
The ABB EF19-2.7 Electronic Overload Relay (Part Number: 1SAX121001R1103) is a high-performance electronic motor overload protection relay designed to provide reliable protection for three-phase motors against overload, phase failure and overheating. As part of the trusted ABB EF19 electronic overload relay series, it delivers accurate motor protection while simplifying installation and maintenance for industrial control systems.
Unlike conventional thermal overload relays, the EF19-2.7 uses advanced electronic sensing technology to provide precise and repeatable protection over a wide operating temperature range. It is self-powered, requiring no additional control supply, and offers adjustable trip classes, making it suitable for a wide variety of motor starting applications.
With an adjustable current setting range of 0.80-2.7 A, direct mounting onto compatible ABB AF contactors and integrated auxiliary contacts, the EF19-2.7 is an excellent solution for motor starters used in manufacturing, process control, HVAC equipment and industrial automation systems.
Key Advantages
- Accurate electronic overload protection for three-phase motors.
- Adjustable current range of 0.80-2.7 A for flexible motor protection.
- Selectable Trip Class 10E, 20E and 30E.
- Protects against motor overload and phase failure.
- Self-powered design with no external power supply required.
- Direct mounting onto compatible ABB AF contactors for quick installation.
Key Features
- ABB EF19 electronic overload relay series.
- Current adjustment: 0.80-2.7 A.
- Rated operational current: 2.7 A.
- Selectable Trip Classes 10E / 20E / 30E.
- 1 NO + 1 NC auxiliary contacts.
- Automatic or manual reset selection.
- Integrated STOP, TEST and trip indication functions.
- Direct contactor mounting with screw terminals.
Reliable Motor Protection for Industrial Applications
Electronic overload relays continuously monitor motor current and rapidly detect overload or phase loss conditions before damage occurs. This helps maximise motor life, reduce downtime and improve the reliability of industrial machinery.
The ABB EF19 series combines high accuracy with a wide operating temperature range and adjustable trip characteristics, making it an ideal choice for OEM machine builders, panel manufacturers and industrial maintenance engineers.
Typical Applications
- Motor starters and control panels.
- Industrial pumps and compressors.
- Conveyor and material handling equipment.
- HVAC systems and ventilation equipment.
- Packaging and manufacturing machinery.
- Industrial automation and process control systems.
