EHB2050L - 50Amp Circuit Breaker

EHB2050L - 50 Amp Circuit Breaker

When you're working with older electrical systems, finding the right breaker isn’t about bells and whistles—it’s about getting a part that fits, functions properly, and keeps everything running the way it was designed. The EHB2050L 50 Amp 2-pole circuit breaker does exactly that. Built for compatibility with pre-1989 panelboards, this breaker is a practical solution for maintaining legacy systems without the hassle of retrofitting or reengineering your setup. At its core, the EHB2050L uses a thermal-magnetic trip mechanism, giving you dependable protection against both overloads and short circuits. The fixed, non-interchangeable trip unit keeps performance consistent, which is exactly what you want when matching existing electrical infrastructure. With a 14kA interrupting rating at 480VAC and a 40°C operating standard, it’s designed to handle the demands of everyday commercial and industrial environments. Plus, with line and load terminals included, installation is straightforward—no extra parts, no unnecessary delays. This is the kind of breaker electricians and maintenance teams rely on when the goal is simple: keep the system working safely and as intended.

Key Features and Benefits

• Designed for Legacy Compatibility: Made for panelboards manufactured before 1989, ensuring proper fit and function
• Thermal-Magnetic Protection: Responds to both sustained overloads and sudden short circuits
• 50 Amp, 2-Pole Design: Ideal for protecting two-phase circuits in a range of applications
• Non-Interchangeable Trip Unit: Fixed settings help maintain consistency with original system specs
• 14kA @ 480VAC Interrupting Rating: Handles fault conditions within its rated capacity
• Included Line & Load Terminals: Ready for installation right out of the box
• 40°C Rated: Suitable for standard operating environments
• Built to Last: Designed with durability in mind for long-term use in existing systems

Technical Specifications

• Part Number: EHB2050L
  
• Amperage: 50 Amps
  
• Poles: 2
  
• Voltage Rating: 480VAC
  
• Interrupting Capacity (A.I.C.): 14kA @ 480VAC
  
• Frame Type: EHB
  
• Trip Type: Thermal-Magnetic
  
• Trip Unit: Non-Interchangeable
  
• Temperature Rating: 40°C
  
• Terminals: Line and Load Included
  
• Dimensions (Shipping): Height: 6.0 in
  
• Weight: 2.75 lbs
  

Material Compliance and Certifications

• Manufactured to meet applicable industry standards for molded case circuit breakers
• Suitable for installations aligned with NEC (National Electrical Code) requirements when properly applied
• Built with materials commonly used in commercial and industrial electrical distribution equipment

Where It Works Best

• Maintenance and repair of pre-1989 panelboards
• Commercial buildings with established electrical systems
• Industrial facilities maintaining existing infrastructure
• Retrofit projects requiring exact-match breaker specifications
• Service professionals who need a reliable, no-surprises replacement