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1SAX111001R1105 ABB E16DU-18.9 Electronic Overload Relay 5.7 … 18.9 A
ABB 1SAX111001R1105 E16DU-18.9 electronic overload relay with 5.7–18.9 A adjustable current range designed for industrial motor protection.
£103.50
Why Choose the ABB 1SAX111001R1105 E16DU-18.9 Electronic Overload Relay?
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.
Key Advantages
- Advanced electronic overload protection for industrial motors.
- 5.7–18.9 A adjustable current range for flexible motor applications.
- Self-supplied design removes the need for an external auxiliary supply.
- Protection against motor overloads and phase failures.
- Selectable trip classes 10E, 20E and 30E for application flexibility.
- Compact design for direct mounting with compatible ABB contactors.
Key Features
- ABB E16DU-18.9 electronic overload relay.
- 5.7–18.9 A adjustable overload setting range.
- 18.9 A rated operational current.
- 1 normally open and 1 normally closed auxiliary contact.
- 690 V AC main circuit rated operational voltage.
- Self-powered electronic motor protection technology.
- Selectable automatic or manual reset function.
- Integrated STOP and TEST functions with trip indication.
Reliable Motor Protection for Industrial 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.
Typical Applications
- Industrial motor starter assemblies.
- Pumps and pumping systems.
- Fans and ventilation equipment.
- Conveyor and material handling systems.
- Production machinery and automation equipment.
- OEM control panels and electrical installations.
Technical Specifications
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| Compatible With | B6–B7 | |
|---|---|---|
| Mounting Type | Direct mount on contactor | |
| Current Range | 5.7–18.9 A | |
| Trip Class | Adjustable (5–30) | |
| Reset Type | Manual / Automatic | |
| Device Type | Electronic Overload Relay | |
| Poles | 3-pole | |
| 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 |
Frequently Asked Questions
What is the ABB 1SAX111001R1105 used for?
The ABB 1SAX111001R1105 E16DU-18.9 is an electronic overload relay used to protect motors against overload conditions and phase failures.
What current range does the ABB E16DU-18.9 support?
The relay supports an adjustable current setting range of 5.7–18.9 A.
What trip classes are available on this overload relay?
The E16DU-18.9 provides selectable 10E, 20E and 30E trip classes for different motor protection requirements.
Does the ABB 1SAX111001R1105 require an external power supply?
No, the E16DU-18.9 is a self-supplied electronic overload relay and does not require an additional external control supply.
Where is this overload relay installed?
The relay is typically installed in motor starter assemblies and control panels with compatible ABB contactors.
Trusted by Industrial Automation Engineers Worldwide
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.
