The ABB REX521GHHGSH51G is a protection unit from ABB, a company specializing in power and automation technologies. It is part of the REX 521 series of feeder protection and control relays.

The REX521GHHGSH51G is used to protect electrical equipment from damage caused by overcurrent, undervoltage, and other electrical faults. It can also be used to control the operation of electrical equipment, such as circuit breakers and switches.

The REX521GHHGSH51G has a number of features that make it a versatile and reliable protection unit. These features include:

·Multiple protection functions, including overcurrent, undervoltage, ground fault, and thermal overload protection
·High accuracy and sensitivity
·Fast tripping times
·Communication capabilities, such as Modbus RTU and Ethernet
·Compact size and easy installation

The REX521GHHGSH51G is a good choice for a variety of applications, including:

·Industrial plants
·Commercial buildings
·Data centers
·Power plants

 
New product

Product quality: We guarantee that all new products undergo strict quality testing before shipment, ensuring 100% normal operation.

Packaging: The new parts will be in their original packaging to ensure that the product is not damaged during transportation.

After sales guarantee: New products enjoy original factory warranty, please rest assured to purchase.
  

Second hand products

Product condition: Some second-hand products may have obvious scratches on the surface. Please carefully check the product pictures and details before purchasing.

Quality assurance: Second hand products will undergo strict testing before shipment to ensure normal product functionality.

After sales guarantee: Second hand products do not enjoy original factory warranty, but we provide return and exchange services.