REF620 NBFNAANNNDA1BBN1XF ABB
The following is a description of REF620 NBFNAANNNDA1BBN1XF ABB products,parameters,applications and brand description:
Product description
The REF620 NBFNAANNNDA1BBN1XF is a digital relay protection device from ABB that integrates protection,control and automation.This product is specifically designed to protect,control,measure and monitor public and industrial power grids,including radiant,ring and mesh grids.It provides feeder overcurrent and ground fault protection,which can be applied to neutral ungrounded networks and resistance or impedance neutral ground networks.
Product parameter
Specific product parameters may vary from version to version and configuration,but the REF620 typically includes the following key parameters:
Input voltage range:12-48VDC
Output voltage range:5VDC
Output current:Max.10A
Efficiency:greater than 90%
Dimensions:170mm x 105mm x 32mm
Weight:About 120g
Operating temperature:-20°C to+50°C
Storage temperature:-40°C to+70°C
Ambient humidity:5%to 95%relative humidity(no condensation)
Product application
REF620 NBFNAANNNDA1BBN1XF is primarily used for the protection,control,measurement and monitoring of public and industrial power grids.It can protect a variety of complex power grids,including radiation,ring and mesh grids.In addition,it can be applied to neutral ungrounded networks and resistance or impedance neutral grounded networks to provide feeder overcurrent and ground fault protection.
Brand introduction
ABB is a global leader in electrical and automation technology,headquartered in Zurich,Switzerland.ABB’s products are widely used in the power,industrial,transportation and infrastructure sectors to improve energy efficiency and productivity.ABB is known for its innovative technologies,reliable products and global service network and is the partner of choice for many industries around the world.In the field of power system protection and control,ABB has extensive experience and superior technical strength to provide customers around the world with high performance and reliable solutions.
