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ABB ef19-2.7 electronic overload relay 0.8a – 2.7a
ABB EF19-2.7 electronic overload relay with adjustable 0.80-2.7 A setting range, selectable trip classes and integrated phase failure protection for industrial motor control applications.
£79.55
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.
Technical Specifications
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| Compatible With | AF09–AF38 | |
|---|---|---|
| Mounting Type | Direct mount on contactor | |
| Device Type | Electronic Overload Relay | |
| Current Range | 0.8–2.7 A | |
| Trip Class | Adjustable (5–30) | |
| Reset Type | Manual / Automatic | |
| Current | 2.7 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Series | EF19 | |
| Part number | 1SAX121001R1103 | |
| Product type | Electronic overload relay | |
| Current setting range | 0.80–2.7 A | |
| Rated operational current | 2.7 A | |
| Trip classes | 10E / 20E / 30E selectable | |
| Rated operational voltage | Main circuit 690 V AC | |
| Auxiliary circuit voltage | 600 V AC/DC | |
| Number of poles | 3 | |
| Auxiliary contacts | 1 NC + 1 NO | |
| Degree of protection | IP20 | |
| Mounting type | Direct mounting to contactor | |
| Suitable for | ABB AF09, AF12, AF16, AF26 contactors | |
| Frequency | 50 / 60 Hz | |
| Operating temperature | approx. -25 °C to +70 °C | |
| Standards | IEC/EN 60947-4-1 | |
| Dimensions (W × H × D) | approx. 44.4 × 85 × 59.3 mm | |
| Weight | approx. 0.158 kg |
Frequently Asked Questions
What is the ABB EF19-2.7 used for?
The EF19-2.7 protects three-phase electric motors against overload, phase failure and overheating in industrial motor control applications.
What current range does this overload relay support?
The relay features an adjustable protection range from 0.80 A to 2.7 A.
Does the EF19-2.7 require an external power supply?
No. The relay is self-powered and does not require an additional external control supply.
Which trip classes are available?
The relay offers selectable Trip Class 10E, 20E and 30E to suit different motor starting characteristics.
Which contactors is this relay compatible with?
The EF19-2.7 is designed for direct mounting onto compatible ABB AF series contactors used in industrial motor starter assemblies.
Trusted by Industrial Control Professionals
ABB EF19 electronic overload relays are trusted by panel builders, OEM manufacturers and maintenance engineers worldwide for delivering precise motor protection, dependable performance and long service life in demanding industrial environments.
