



Do you have a question about the ABB REF 541 and is the answer not in the manual?
| Operating Temperature | -25 °C to +55 °C (-13 °F to +131 °F) |
|---|---|
| Power Supply | 24-48 V DC or 110-240 V AC/DC |
| Outputs | Relay outputs |
| Category | Protection relay |
| Communication Ports | Ethernet, Serial, USB |
| Communication | DNP3.0 |
| Protection functions | Overcurrent, Earth fault |
| Control functions | Circuit breaker control |
| Measurement functions | Current, Voltage, Power |
Details copyright information and usage restrictions for the document content.
Lists registered trademarks of ABB Group and other product names mentioned.
Provides an overview of connectivity packages, their purpose, and supported versions.
Explains the meaning of symbols used in the document, such as information icons.
Guides users through installing connectivity packages, including system requirements.
Details the process for removing connectivity packages using the Windows Control Panel.
Explains how to launch the Connectivity Package Manager tool from the desktop or menu.
Explains how to select and associate specific connectivity package versions with applications and tools.
Guides the user on how to install new connectivity packages using the Package Manager.
Describes how to use connectivity packages to configure the Communication Gateway COM 610.
Explains using connectivity packages to configure the Ethernet Adapter SPA-ZC 40x.
Details using connectivity packages with MicroSCADA Pro SYS 600 and COM 500 for IEC 61850 OPC server.