ABB | REX521GHHPSH51G | Multifunctional Protection Control Relay

The ABB REX521GHHPSH51G is an advanced multifunctional protection and control relay engineered for electrical power distribution systems, substation automation, and industrial feeder protection. Designed to provide comprehensive monitoring, fault detection, and system control, this intelligent electronic device (IED) ensures high reliability and safety across electrical networks.

Integrating sophisticated measurement algorithms and robust communication capabilities, the REX521 series minimizes downtime by offering rapid fault isolation and precise diagnostics. It serves as an essential protection and control module for safeguarding transformers, motors, and distribution feeders against electrical anomalies in demanding utility and industrial environments.

Product Parameters & Datasheet

• 🔹 Brand: ABB
• 🔹 Model: REX521GHHPSH51G
• 🔹 Series: REX500 Protection and Control Series
• 🔹 Product Name: Multifunctional Protection and Control Relay
• 🔹 Country of Origin: Sweden / Finland
• 🔹 Product Condition: Industrial Power Automation Component (New / Certified Refurbished)
• 🔹 Dimensions: Standard Substation Flush-Mount Modular Form Factor
• 🔹 Weight: Approx. 3.0 kg
• 🔹 Origin Region: European Manufacturing Standard
• 🔹 Power Rating: Auxiliary Control Voltage 48-250 VDC / 110-240 VAC

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