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ABB ef750-800 electronic overload relay 250a - 800a
MPN: 1SAX821001R1101
Alt. SKU: EF750-800
£1,356.36
£1,130.30
Why Choose the ABB EF750-800?
The ABB EF750-800 (1SAX821001R1101) is a self-powered electronic overload relay designed for reliable and precise motor protection. Eliminating the need for an external power supply, this relay simplifies installation and offers enhanced protection against overloads and phase failures in standard motor applications. Its wide setting range, high accuracy, and extended operational temperature range make it a versatile choice for diverse industrial environments. The EF750-800 complies with ATEX (for products manufactured from week 42, 2014) and IECEx (for products manufactured from week 15, 2017) certifications, ensuring safe operation in hazardous areas. The EF750-800 offers significant advantages over traditional thermal overload relays, including increased accuracy, a wider setting range, and simplified setup. Its compact design saves valuable panel space, while the integrated trip-free mechanism, STOP and Test functions, and clear trip indication enhance safety and diagnostics. The self-powered design eliminates the need for auxiliary power, streamlining installation and reducing wiring complexity.
Key Features
- Self-powered design – no external supply required
- Wide setting range for flexible application
- High accuracy and operational temperature range
- Selectable trip class (10E, 20E, 30E)
- Temperature compensation for consistent performance
- Trip contact (NC) and signal contact (NO)
- Automatic or manual reset selection
- Trip-free mechanism for enhanced safety
- STOP and Test function for easy diagnostics
- Clear trip indication
- ATEX (from week 42, 2014) and IECEx (from week 15, 2017) certified
Technical Specifications
- Manufacturer: ABB
- Part Number: 1SAX821001R1101
- Height: 111.6 mm
- Width: 244 mm
- Depth: 187.73 mm
- Weight: 2.765 kg
Applications
- Motor protection in industrial environments
- HVAC systems
- Pumping systems
- Conveyor systems
- Packaging machinery
- Hazardous area applications (ATEX/IECEx certified)
Frequently Asked Questions
The EF750-800 has ATEX certification for units produced from week 42, 2014 onwards, and IECEx certification for units produced from week 15, 2017 onwards. Please verify the manufacturing date on your unit to confirm certification validity.
The setting range for the EF750-800 is dependent on the specific model and can be found in the product datasheet. Please consult the documentation for detailed information.
The trip class (10E, 20E, 30E) is selectable via the configuration settings on the relay. Refer to the product manual for specific instructions on adjusting the trip class setting.
| Manufacturer Part Number | 1SAX821001R1101 |
|---|---|
| Amp Range | 250A - 800A |
| Manufacturer | ABB |
| Alternative Product SKU | EF750-800 |
| Product Lead Time | Please contact us for a delivery time |
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