ABB REX521 Feeder Protection Relay

The ABB REX521 is a feeder protection relay designed for use in medium voltage power systems.  In simpler terms, it's a device that monitors and protects electrical feeders from problems like overload or faults. Features:Protection, control, measurement and monitoring: The REX521 can not only protect feeders but also control, measure and monitor them.Typical applications: The REX521 is typically used for incoming and outgoing feeders and substation protection.Part of a substation automation concept: It can be integrated into substation automation systems to improve functionality and flexibility.Phase reversal protection: It can detect and protect against phase reversal situations.Motor start-up supervision: It can supervise the starting of three-phase motors.Object indication with alarm: It can identify the location of a fault and raise an alarm. FAQ & Contact: Q: Are you a trading company or a manufacturer? A: We are a trading company. Q: What is your lead time? A: If the item is