ED63B090 - 90Amp Circuit Breaker

ED63B090 - 90Amp Circuit Breaker

When you need a 90 Amp circuit breaker that matches the original specifications of your existing Siemens electrical system, the Siemens ED63B090 is designed to deliver the right fit. This 3-pole molded case circuit breaker is part of the trusted Siemens SENTRON ED Frame family and is built to help protect commercial and industrial electrical systems from overloads and short circuits using a dependable thermal-magnetic trip unit. With a 600VAC voltage rating, an 18kA interrupting capacity at 600V, and 25kA at 480V, it meets the electrical requirements for a wide range of compatible power distribution applications.

What makes the ED63B090 especially practical is its focus on compatibility. Designed as a form, fit, and functional replacement for compatible Siemens ED Frame equipment, it helps you maintain the original design of your electrical system without unnecessary modifications.

Key Features and Benefits

• Siemens SENTRON ED Frame molded case circuit breaker
• 90 Amp continuous current rating
• 3-pole configuration for three-phase electrical systems
• Thermal-magnetic trip unit helps protect against overloads and short circuits
• Rated for applications up to 600VAC
• 18kAIC interrupting capacity at 600VAC
• 25kAIC interrupting capacity at 480VAC
• Factory-installed load-side lugs (LN1E100)
• Accepts 10 AWG to 1/0 AWG copper or aluminum conductors
• Standard 40°C breaker calibration
• Designed as a form, fit, and functional replacement for compatible Siemens ED Frame equipment
• Helps preserve the original electrical system design and compatibility
• Built to last for long-term commercial and industrial use
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED63B090
  
• Manufacturer Part Number (MFN): ED63B090
  
• Product Family: SENTRON ED6, 18kAIC, 600VAC
  
• Product Type: Molded Case Circuit Breaker
  
• Current Rating: 90 Amps
  
• Poles: 3
  
• Voltage Rating: 600VAC
  
• Trip Unit: Thermal-Magnetic
  
• Frame Type: ED Frame
  
• Interrupting Rating:
  • 18kAIC @ 600VAC
  • 25kAIC @ 480VAC
• Terminal Configuration: Load-Side Lugs Only (LN1E100)
  
• Wire Range: 10 AWG–1/0 AWG Copper/Aluminum
  
• Standard Calibration: 40°C
  
• Dimensions:
  • Width: 3.00 inches
  • Length: 6.35 inches
  • Depth: 3.92 inches
• Net Weight: 3.6 lb.
  
• Country of Origin: Mexico
  
• UPC: 783643209770
  

Material Compliance and Certifications

The Siemens ED63B090 is manufactured to comply with recognized industry standards and environmental requirements for low-voltage circuit protection.

• UL 489 Listed
• IEC 60947-2 Compliant
• RoHS Compliant (since March 31, 2009)
• REACH Article 33 Compliant
• WEEE Directive (2012/19/EU) Compliant
• Export Classification: EAR99
  

Where It Works Best

The Siemens ED63B090 is ideal for compatible Siemens ED Frame panelboards, switchboards, motor control centers, and commercial or industrial electrical distribution systems requiring a 90 Amp, 3-pole, 600VAC molded case circuit breaker. It's especially well suited for replacing an existing breaker with matching electrical ratings, helping maintain the original system configuration and protection. Whether you're performing scheduled maintenance or replacing a worn component in a legacy installation, the ED63B090 provides the proper form, fit, and function needed to keep compatible electrical systems operating as intended.