E43B030L - 30Amp Circuit Breaker

E43B030L - 30 Amp Circuit Breaker

The E43B030L molded case circuit breaker is a 3-pole, 30-amp breaker designed for dependable protection in commercial and industrial electrical distribution systems that require compatibility with E43 frame equipment. Built to support legacy installations, this breaker provides the correct form, fit, and function replacement for existing panels and switchgear using the E43 frame design. With interrupting ratings of 18kA at 480VAC and 25kA at 240VAC, it is intended to safely interrupt fault currents while maintaining proper circuit protection. Rated for 40°C ambient conditions and HACR applications, the E43B030L is commonly used in HVAC equipment circuits and other motor-related loads. Line and load-side terminals are included to support straightforward installation in existing electrical systems. Molded case breakers like the E43B030L are known for their durable construction and are built to last in demanding electrical environments where dependable circuit protection is required.

Key Features and Benefits

• 30 Amp Current Rating: Provides branch circuit protection for compatible electrical systems.
• 3-Pole Configuration: Designed for three-phase power distribution.
• E43 Frame Compatibility: Matches the form, fit, and functional requirements of equipment designed for the E43 frame series.
• Interrupting Capacity: Rated 18kA at 480VAC and 25kA at 240VAC for reliable fault interruption.
• HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment circuits.
• 40°C Ambient Rating: Designed for operation in typical commercial and industrial electrical environments.
• Includes Line and Load Terminals: Terminals provided to support installation in compatible equipment.
• Molded Case Construction: Built for durability and consistent circuit protection.
  

Technical Specifications

• Part Number: E43B030L
  
• Product Type: Molded Case Circuit Breaker
  
• Amperes: 30A
  
• Poles: 3
  
• Frame Type: E43
  
• Interrupting Rating:
  • 18kA @ 480VAC
  • 25kA @ 240VAC
• Ambient Temperature Rating: 40°C
  
• HACR Rated: Yes
  
• Terminals: Line and Load-Side Terminals Included
  
• Approximate Height: 6.35 in
  
• Ship Weight: 3.0 lbs
  

Material Compliance and Certifications

• HACR Rated: HACR Rated for heating, air conditioning, and refrigeration applications
• Industry Electrical Safety Standards: Manufactured to meet applicable industry electrical safety standards for molded case circuit breakers
• E43 Frame Equipment Compatibility: Designed for installation in electrical distribution equipment compatible with E43 frame breakers
  

Where It Works Best

• The E43B030L 30A circuit breaker is commonly used in commercial buildings, industrial facilities, HVAC systems, and electrical distribution panels where E43 frame breakers are specified. It is well-suited for maintenance projects, equipment servicing, and system repairs where maintaining the correct breaker frame and ratings is essential for compatibility with existing electrical infrastructure. This breaker helps ensure proper protection in systems that rely on the E43 frame design while maintaining the original equipment configuration.