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ABB ef19-1.0 electronic overload relay 0.3a – 1.0a
ABB EF19-1.0 electronic overload relay with adjustable 0.30-1.0 A setting range, selectable trip classes and integrated phase failure protection for industrial motor control applications.
£79.55
Why Choose the ABB EF19-1.0 Electronic Overload Relay?
The ABB EF19-1.0 Electronic Overload Relay (1SAX121001R1102) is a compact self-powered electronic motor protection relay designed to provide precise overload and phase failure protection for three-phase motors. As part of the advanced ABB EF19 electronic overload relay series, it combines the accuracy of electronic protection with the simplicity of a conventional thermal overload relay, making it ideal for industrial motor starter applications.
The EF19-1.0 requires no external control power supply, simplifying installation and reducing wiring requirements. It offers selectable Trip Class 10E, 20E or 30E, automatic or manual reset, integrated temperature compensation, phase loss sensitivity and built-in STOP and TEST functions for dependable motor protection in demanding industrial environments.
With an adjustable current setting range of 0.30 to 1.00 A, the EF19-1.0 is ideal for protecting small three-phase motors used in conveyors, pumps, fans, packaging machinery and OEM equipment. It mounts directly onto compatible ABB AF09, AF12, AF16 and AF26 contactors for compact motor starter assemblies.
Key Advantages
- Self-powered electronic overload relay requiring no external supply.
- 0.30 to 1.00 A adjustable current range.
- Selectable Trip Class 10E, 20E and 30E.
- Reliable overload and phase failure protection.
- Integrated 1 NO and 1 NC auxiliary contacts.
- Automatic or manual reset selection.
- Temperature compensated for consistent protection.
- Direct mounting onto compatible ABB AF contactors.
Key Features
- ABB EF19 electronic overload relay series.
- 0.30 to 1.00 A adjustable overload setting.
- Selectable Trip Class 10E, 20E and 30E.
- Protection against overload and phase failure.
- Integrated 1 normally open and 1 normally closed auxiliary contact.
- Automatic or manual reset selection.
- Built-in STOP and TEST functions.
- Trip indication for simplified diagnostics.
- Three-pole motor protection.
- Compact direct-mount construction.
Reliable Electronic Motor Protection
Electronic overload relays continuously monitor motor current with greater precision than traditional thermal relays, delivering accurate overload protection over a wide ambient temperature range while detecting phase loss to help prevent motor damage and costly downtime.
The ABB EF19 series combines the simplicity of thermal overload relays with advanced electronic protection, making it an excellent choice for machine builders, OEMs and industrial maintenance engineers seeking reliable motor protection.
Typical Applications
- Industrial motor starters.
- Packaging machinery.
- Machine tools.
- Conveyors and material handling.
- Pumps and ventilation systems.
- OEM equipment.
- Industrial automation systems.
- Electrical control panels.
Technical Specifications
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| Compatible With | AF09–AF38 | |
|---|---|---|
| Mounting Type | Direct mount on contactor | |
| Current Range | 0.3–1 A | |
| Trip Class | Adjustable (5–30) | |
| Reset Type | Manual / Automatic | |
| Device Type | Electronic Overload Relay | |
| Current | 1 A | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Series | EF19 | |
| Part number | 1SAX121001R1102 | |
| Product type | Electronic overload relay | |
| Current setting range | 0.30–1.0 A | |
| Rated operational current | 1 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 |
Frequently Asked Questions
What is the ABB EF19-1.0 used for?
The EF19-1.0 protects small three-phase motors against overload conditions and phase failure in industrial motor control applications.
What current range does this relay support?
The relay provides an adjustable overload current setting from 0.30 to 1.00 A.
Does the EF19-1.0 require an external power supply?
No. The EF19-1.0 is self-powered and does not require a separate control power supply.
Can the trip class be changed?
Yes. The relay allows selection of Trip Class 10E, 20E or 30E depending on the application.
Which contactors is this relay compatible with?
It mounts directly onto compatible ABB AF09, AF12, AF16 and AF26 contactors.
Trusted by Industrial Automation Professionals
ABB EF19 electronic overload relays are trusted worldwide by machine builders, OEMs and electrical engineers for precise motor protection, dependable operation and straightforward integration into modern motor starter assemblies.
