ED42B090 - 90Amp Circuit Breaker

ED42B090 - 90 Amp Circuit Breaker

The ED42B090 90-amp molded case circuit breaker is built for dependable protection in commercial and industrial electrical systems. Designed with a 2-pole configuration and ED4 frame, this breaker helps guard circuits against overloads and short circuits while maintaining steady power distribution. Its bolt-on mounting design allows for a firm connection to compatible panelboards, which helps improve stability and electrical contact during operation.

Rated for 18kA at 480VAC and 65kA at 240VAC, the ED42B090 provides the interrupting capacity needed for demanding electrical environments. The breaker is HACR rated, making it suitable for heating, air-conditioning, and refrigeration equipment commonly found in mechanical rooms and facility power systems. It also operates at 40°C ambient temperature conditions, a standard requirement in many electrical installations.

Installation flexibility is another advantage. The breaker includes load-side terminals to help streamline installation, and it is suitable for reverse feed applications, giving electricians additional options when integrating the device into an existing panel. For maintenance teams, contractors, and facility managers looking for a reliable molded case breaker for everyday power protection, the ED42B090 offers a straightforward and dependable solution.

Key Features and Benefits

• 90 Amp current rating: 90 Amp current rating for dependable circuit protection
• 2-pole design: 2-pole design suitable for multi-phase electrical distribution
• Interrupting capacity:
  • 18kA at 480VAC
  • 65kA at 240VAC
• Bolt-on mounting: Bolt-on mounting helps ensure a secure panelboard connection
• HACR rated: HACR rated for HVAC and refrigeration equipment
• Reverse feed capable: Reverse feed capable for flexible installation configurations
• Load-side terminals included: Load-side terminals included to simplify wiring during installation
• 40°C operating environments: Designed for 40°C operating environments commonly found in electrical rooms

Technical Specifications

• Part Number: ED42B090
  
• Amperage: 90A
  
• Poles: 2
  
• Frame Type: ED4
  
• Breaker Type: Sentron Style Molded Case Circuit Breaker
  
• Mounting: Bolt-On
  
• Interrupting Rating:
  • 18kA @ 480VAC
  • 65kA @ 240VAC
• HACR Rated: Yes
  
• Reverse Feed: Suitable
  
• Terminals: Load-side terminals included
  
• Ambient Temperature Rating: 40°C
  
• Approximate Shipping Weight: 2 lbs
  
• Approximate Height: 6.35 inches
  

Material Compliance and Certifications

• Electrical Safety and Performance Standards: The ED42B090 circuit breaker is manufactured to meet widely recognized electrical safety and performance standards for molded case circuit breakers used in commercial and industrial distribution systems.
• Electrical Code Alignment: Its design supports installation practices that align with common electrical code requirements, helping maintain safe and compliant power systems.
  

Where It Works Best

• The ED42B090 is commonly used in commercial buildings, industrial facilities, HVAC systems, and electrical distribution panels where dependable overload and short-circuit protection is required. Because it carries a HACR rating, it works well in systems powering air-conditioning units, refrigeration equipment, and heating systems.