The ABB 89NU04E is indeed a versatile low-voltage (LV) auxiliary relay designed for various applications.

Key Features

1. Signaling Functions:
   • Offers 8 signaling functions.
   • Configurable as normally open (NO), normally closed (NC), or latching.
2. Timed Functions:
   • Includes two timed functions (on-delay, off-delay, or pulse).
   • Enhances flexibility in control circuit operations.
3. Test Function:
   • Allows manual operation of signaling functions for troubleshooting.
4. Plug-in Design:
   • Mounted on a standard 35 mm DIN rail for easy installation and removal.

Technical Specifications

• Operating Voltage: 24 VDC to 230 VAC
• Contact Rating: 6 A at 250 VAC
• Operating Temperature: -20°C to +55°C
• Dimensions: 36 mm x 85 mm x 22 mm
• Weight: 70 g

Applications

• Motor Control: Suitable for controlling motors in industrial settings.
• Lighting Control: Used in lighting systems for automation and control.
• Building Automation: Integrates into building management systems for enhanced functionality.