Description
argument
Nominal voltage: 110v ~ 120v
Frequency: 50/60Hz
Operating temperature: -25℃~+70℃
Storage temperature: -40℃~+85℃
Humidity: 5%-95%RH, non-condensing
specification
Input channels: 12
Output quantity: 6
Communication protocols: IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display: LCD backlight
Size and weight
Size: The REF542PLUS appearance size diagram shows that the panel opening size is 240.5×140.5mm
Weight: Approx. 1.4 pounds (approx. 0.64kg)
series
The ABB REF542PLUS is part of ABB’s REF542 family, a versatile family of protection and switching controls designed for medium and high voltage applications.
trait
Versatility: The REF542PLUS offers a wide range of protection features, including overcurrent, ground fault, and distance protection.
Integration: All auxiliary functions are integrated in one device with self-monitoring function.
Flexible configuration: Protection and control applications can be easily configured through software function modules.
Powerful logic function: provides a wide range of logic functions including AND, NAND, OR, NOR and other logic gates.
User-friendly human-machine interface: It has an intuitive and easy-to-use human-machine interface that supports a variety of input methods.
High reliability: The use of high-quality materials and manufacturing processes, suitable for a variety of harsh working environments.
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