Westinghouse 1876059 Current Relay Type SC 20-80 Amps

Description:

The Westinghouse 1876059 is a Type SC instantaneous current relay designed for high-accuracy current sensing and protection applications. Adjustable from 20 to 80 Amps, this electromechanical relay operates as a fault detector, auxiliary protection relay, or instantaneous overcurrent relay in industrial and utility power systems. The relay features an adjustable pickup range, calibrated setting scale, and mechanical operation indicator for reliable monitoring and protection of electrical circuits.

Applications:

The Westinghouse 1876059 current relay is commonly used in substations, switchgear assemblies, motor protection circuits, feeder protection systems, generator controls, and industrial power distribution equipment. It serves as an instantaneous overcurrent detector and auxiliary protective relay for fault monitoring and protective coordination.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Part Number: 1876059
• Product Type: Current Relay
• Relay Type: SC Instantaneous Current Relay
• Current Range: 20–80 Amps
• Function: Instantaneous overcurrent detection
• Operating Principle: Electromechanical plunger relay
• Pickup Adjustment: Calibrated adjustable scale
• Indicator Type: Mechanical operation indicator
• Application: Protective relaying and fault detection
• Installation Type: Panel mounted
• System Compatibility: Utility and industrial power systems
• Intended Use: Overcurrent monitoring and protective control
• Operating Environment: Industrial, commercial, and utility applications
• Performance Feature: High pickup accuracy with adjustable current settings and rapid operation.

Common Replacements:

• ABB SC-1 Instantaneous Current Relay
• Siemens 7SJ80 Protection Relay
• Schneider Electric Easergy P3 Protection Relay