Westinghouse Electric EHD3050 Circuit Breaker

Description:

The Westinghouse EHD3050 14k Circuit Breaker NTO is a molded case circuit breaker used in industrial and commercial electrical distribution systems. Commonly installed in panelboards, switchgear assemblies, motor control centers, and industrial power systems requiring reliable overcurrent and short-circuit protection. Maintenance electricians, facility engineers, and industrial automation technicians use this breaker for replacement, retrofit, or electrical protection system maintenance. The EHD “Blue Paper” series breakers are legacy Westinghouse thermal-magnetic breakers designed for dependable branch and feeder circuit protection.

Applications:

The Westinghouse EHD3050 circuit breaker is commonly used in industrial and commercial electrical systems to protect branch circuits, feeders, and electrical equipment from overload and fault conditions. It is installed in manufacturing facilities, HVAC systems, commercial buildings, industrial machinery, and power distribution equipment where dependable circuit interruption and stable electrical protection are required.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Model: EHD3050
• Series: EHD / Blue Paper / 14k
• Product Type: Molded Case Circuit Breaker
• Number of Poles: 3-Pole
• Current Rating: 50 Amp
• Voltage Rating: 480 VAC / 250 VDC
• Interrupt Rating: 14kAIC @ 480VAC
• Trip Type: Thermal Magnetic
• Frame Type: F-Frame
• Phase Configuration: 3-Phase
• Frequency Rating: 50/60 Hz
• Connection Type: Feed-Thru
• Mounting Type: Bolt-On / Panelboard installation
• Trip Functions: Long-Time and Instantaneous (LI)
• Function: Overcurrent and short-circuit protection
• Application: Industrial and commercial electrical distribution systems
• System Compatibility: Westinghouse / Eaton compatible panelboard systems
• Operating Environment: Industrial and commercial electrical applications
• Intended Use: Branch circuit and feeder protection
• Condition Classification: NTO (New Take-Out)
• Performance Feature: Reliable thermal-magnetic circuit interruption protection

Common Replacements:

• Eaton EHD3050 Molded Case Circuit Breaker
• Siemens Sentron Molded Case Circuit Breaker
• Schneider Electric Square D PowerPact Circuit Breaker