LGB1B090B - 90Amp Circuit Breaker

LGB1B090B - 90Amp Circuit Breaker

The LGB1B090B is a 90A, 1-pole LGB G-frame circuit breaker used in compatible low-voltage panelboards. It features a thermal-magnetic trip unit and is rated 65 kA at 277V and 14 kA at 347V. For anyone tracking down a replacement for your existing panel, the catalog number and 90-amp rating are useful starting points.

Key Features and Benefits

• 90A, 1-pole design for compatible low-voltage panelboard applications
• LGB G-frame configuration gives you a specific frame reference when checking compatibility
• Thermal-magnetic trip unit provides the specified overload and short-circuit protection
• UL Listed LGB frame
• Uses TC1GG20 load-side lugs only
• Handles 8–1/0 AWG copper or aluminum conductors

Technical Specifications

• Catalog Number: LGB1B090B
  
• Article Number: US2\:LGB1B090B
  
• Product Type: Low-Voltage Panelboard-Mount Circuit Breaker
  
• Frame: LGB / G Frame
  
• Ampere Rating: 90A
  
• Number of Poles: 1
  
• Trip Type: Thermal-Magnetic
  
• Interrupting Rating at 277V: 65 kA
  
• Interrupting Rating at 347V: 14 kA
  
• Terminal Arrangement: Load-Side Lugs Only
  
• Load Lug Type: TC1GG20
  
• Wire Range: 8–1/0 AWG
  
• Conductor Compatibility: Copper / Aluminum (Cu/Al)
  
• Dimensions: 1"W x 5.4"H x 2.8"D
  
• Net Weight: 0.86 lb
  
• Country of Origin: Mexico
  
• UPC: 887621220020
  
• Commodity Code: 8536200020
  
• Export Classification: ECCN EAR99 / AL N
  
• Dangerous Goods: No
  

Material Compliance and Certifications

According to the supplied manufacturer specifications, the LGB frame is UL Listed. Environmental information for the LGB1B090B also references WEEE (2012/19/EU) take-back obligations and provides information associated with REACH Article 33.

Where It Works Best

The LGB1B090B 90A circuit breaker is most useful in existing and legacy low-voltage panelboards designed around this particular LGB G-frame configuration. That's an important distinction. Finding another 90A breaker isn't enough; the breaker needs to match the requirements of the equipment it's going into.