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ABB ef45-45 electronic overload relay 15a - 45a
MPN: 1SAX221001R1102
Alt. SKU: EF45-45
£262.51
£218.76
Why Choose the ABB EF45-45?
The ABB EF45-45 (1SAX221001R1102) is a self-powered electronic overload relay designed for reliable and precise motor protection. Eliminating the need for an external power supply, this compact device offers a wide setting range, high accuracy, and an extended operational temperature range, making it ideal for demanding industrial environments. Suitable for standard motor applications, the EF45-45 offers simple integration and operation, similar to traditional thermal overload relays, while providing enhanced performance and functionality. The EF45-45 offers superior motor protection compared to thermal overload relays, thanks to its advanced electronic design. It provides accurate and consistent performance across a wide temperature range, reducing nuisance tripping and ensuring reliable operation. Its compact size simplifies panel design and installation. Certified to ATEX (from week 42, 2014) and IECEx (from week 15, 2017) standards1, this relay guarantees safety and compliance in hazardous environments.
Key Features
- Self-powered – no external supply required
- Wide setting range for flexible application
- High accuracy for precise motor protection
- High operational temperature range
- Selectable trip class (10E, 20E, 30E)
- Temperature compensation
- Trip contact (NC)
- Signal contact (NO)
- Automatic or manual reset
- Trip-free mechanism
- STOP and Test function
- Trip indication
- Direct connection to contactors
- ATEX and IECEx certified1
Technical Specifications
- Manufacturer: ABB
- SKU: 1SAX221001R1102
- Product Name: EF45-45
- Category: Electronic Overload Relays
- Height: 104.7 mm
- Width: 45 mm
- Depth: 86 mm
- Weight: 0.362 kg
Applications
- Motor protection in industrial automation
- HVAC systems
- Pumping systems
- Material handling equipment
- Packaging machinery
Frequently Asked Questions
Electronic overload relays, like the EF45-45, offer more precise protection, wider setting ranges, and advanced features compared to traditional thermal overload relays. This results in improved motor protection, reduced downtime, and enhanced system reliability.
The trip class (10E, 20E, 30E) defines the tripping time of the overload relay in the event of an overload. Consult the motor manufacturer's specifications and relevant standards to determine the appropriate trip class for your specific application.
ATEX and IECEx certifications signify that the product meets stringent safety requirements for use in potentially explosive atmospheres. The EF45-45 is ATEX certified for products produced from week 42, 2014, and IECEx certified for products produced from week 15, 2017. 1
1 Refer to the product datasheet for complete certification details.
| Manufacturer Part Number | 1SAX221001R1102 |
|---|---|
| Amp Range | 15A - 45A |
| Manufacturer | ABB |
| Alternative Product SKU | EF45-45 |
| Product Lead Time | Please contact us for a delivery time |
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