ABB 1SAX111001R1105 E16DU-18.9 electronic overload relay with 5.7–18.9 A adjustable current range designed for industrial motor protection.
£159.23
The ABB 1SAX111001R1105 is a compact and reliable electronic overload relay designed to provide advanced motor protection against overload conditions and phase failures in industrial motor control applications. As part of the proven ABB E16DU-18.9 electronic overload relay series, it delivers accurate current monitoring, flexible protection settings and dependable operation for a wide range of motor applications.
This self-supplied electronic overload relay eliminates the need for an additional external control supply, simplifying installation while providing fast and reliable motor protection. The E16DU series combines the ease of use of traditional thermal overload relays with improved accuracy, temperature compensation and selectable trip classes for demanding industrial environments.
With an adjustable current setting range of 5.7–18.9 A and support for class 10E, 20E and 30E trip characteristics, the ABB 1SAX111001R1105 E16DU-18.9 is suitable for protecting three-phase motors in contactor-based motor starter assemblies and automation systems.
Electronic overload relays such as the ABB E16DU-18.9 continuously monitor motor current and provide accurate protection against excessive load conditions. This helps prevent motor damage, reduce downtime and improve the reliability of industrial machinery and automation equipment.
The ABB E16DU series is designed for machine builders, panel builders and automation engineers requiring dependable motor protection with flexible adjustment options. Its compact construction and direct contactor mounting make it ideal for efficient motor starter assemblies.
| Manufacturer | ABB |
|---|---|
| Series | E16DU-18.9 |
| Model | E16DU-18.9 |
| Part number | 1SAX111001R1105 |
| Product type | Electronic overload relay |
| Rated operational current | 18.9 A |
| Setting range | 5.7–18.9 A |
| Number of poles | 3 |
| Protected poles | 3 |
| Trip class | 10E / 20E / 30E selectable |
| Auxiliary contacts | 1 NO + 1 NC |
| Main circuit rated voltage | 690 V AC |
| Auxiliary circuit voltage | 600 V AC / DC |
| Protection rating | IP20 |
| Mounting type | Direct mounting to compatible ABB contactors |
| Terminal type | Screw terminals |
| Dimensions (H × W × D) | approx. 74.6 × 44.4 × 57 mm |
| Weight | approx. 0.15 kg |
| Operating temperature | -25 to +70 °C |
The ABB 1SAX111001R1105 E16DU-18.9 is an electronic overload relay used to protect motors against overload conditions and phase failures.
The relay supports an adjustable current setting range of 5.7–18.9 A.
The E16DU-18.9 provides selectable 10E, 20E and 30E trip classes for different motor protection requirements.
No, the E16DU-18.9 is a self-supplied electronic overload relay and does not require an additional external control supply.
The relay is typically installed in motor starter assemblies and control panels with compatible ABB contactors.
ABB E16 electronic overload relays are widely used in industrial motor control systems to provide accurate protection, reliable operation and efficient integration into modern automation equipment.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...