Description
Type:Protection Relay Module
Manufacturer:ABB
Model:REF620
Submodel:NBFNAAAAABC1BBN1XF
Voltage Rating:Up to 380V
Current Rating:Up to 1000A
Frequency Range:50/60 Hz
Protection Functions:Overcurrent, Short Circuit, Ground Fault, Phase Disconnection
Communication:RS-485, Modbus RTU
Operating Temperature:-25°C to +70°C
Certifications:IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5
The ABB REF620 NBFNAAAAABC1BBN1XF is meticulously engineered to provide robust protection in demanding environments. Its compact design and lightweight construction make it easy to integrate into existing systems. With a voltage range up to 110 kV, it supports a wide array of applications including utility substations and industrial installations. Key features include overcurrent, earth fault, and differential protection, ensuring comprehensive defense against electrical faults. Designed for durability, the module operates efficiently in temperatures ranging from -25°C to +70°C, making it suitable for harsh conditions. Installation is straightforward, and its modular design allows for easy maintenance and upgrades. Trust ABB’s proven technology to safeguard your critical infrastructure.
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