ABB REF611 Feeder Protection Device

FAQ

Q1: What is the main application of ABB REF611?
It is mainly used for feeder protection, providing overcurrent, earth fault, and short-circuit protection, with support for distribution automation.

Q2: Which communication protocols are supported?
It supports RS-485 and Ethernet interfaces, compatible with Modbus and IEC 61850.

Q3: What is the difference between REF611 and REF610?
REF611 has stronger communication capabilities, supporting IEC 61850, making it more suitable for smart grid applications.

Q4: Does the device support remote monitoring?
Yes, remote monitoring and control can be achieved via the Ethernet interface.

Q5: What is the installation method?
It is designed for panel flush mounting.

Q6: What input current options are available?
It supports 1 A or 5 A as selectable options.

Q7: What is the protection class of the device?
The protection class is IP54, suitable for power and industrial environments.

Q8: What is the weight of the device?
The weight is 4.1 kg.

ABB Feeder Protection Device REF611

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