Brand:ABB
Model:REF620
Sub-model:NBFNAANNNDA1BBN1XF
Type:Digital Relay
Protection Functions:Overload, Short-circuit, Ground Fault, Phase Unbalance
Rated Current:Up to 5000 A
Frequency Range:50/60 Hz
Operating Voltage:AC 220V/380V
Communication Interface:RS-485
Operating Temperature:-25°C to +70°C
Protection Rating:IP65
Dimensions:140mm x 90mm x 75mm (L x W x H)
Weight:1.2 kg
The ABB REF620 NBFNAANNNDA1BBN1XF Digital Relay is engineered for demanding industrial environments, providing robust protection against various electrical faults. Its advanced design allows for quick installation and minimal maintenance, ensuring efficient operations.
The digital relay is equipped with a wide input voltage range and frequency range, making it suitable for a variety of industrial applications where power stability is critical. It supports communication protocols like Modbus and Ethernet, enabling seamless integration with existing control systems.
With a response time of less than 10 milliseconds, the ABB REF620 NBFNAANNNDA1BBN1XF ensures rapid fault detection and isolation, minimizing downtime and protecting equipment from damage. Its protection classes cover overcurrent, overvoltage, undervoltage, and phase failure scenarios.
The compact dimensions of 130mm x 150mm x 100mm and lightweight design at just 1.5kg make this digital relay easy to install in tight spaces or on existing panels. The operating temperature range from -25°C to +70°C ensures reliable performance in harsh environments.
Designed for reliability and ease-of-use, the ABB REF620 NBFNAANNNDA1BBN1XF includes user-friendly features such as clear LED indicators and a straightforward setup process. This makes it an ideal choice for engineers and technicians looking to enhance the safety and efficiency of their electrical systems.
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