LGB2B020B - 20Amp Circuit Breaker

LGB2B020B - 20Amp Circuit Breaker

The LGB2B020B is a 20A, 2-pole LGB G-frame circuit breaker for compatible low-voltage panelboards. It combines a thermal-magnetic trip unit with interrupting ratings of 65 kA at 480Y/277V and 14 kA at 600Y/347V. If you're matching a breaker in an existing panel, those numbers matter. So does everything around them. Check pole count, frame style, lug type, conductor range, and dimensions against the equipment requirements rather than assuming another 20-amp breaker will be interchangeable.

Key Features and Benefits

• 20A, 2-pole configuration for compatible low-voltage panelboard applications
• LGB G-frame design provides an important identification point when matching an existing breaker
• Thermal-magnetic trip unit provides the specified overload and short-circuit protection
• UL Listed LGB frame
• Uses TC1Q1 load-side lugs only
• Accommodates 14–10 AWG copper or aluminum conductors
• Well suited to maintenance and functional replacement applications where the existing breaker configuration needs to be retained

Technical Specifications

• Catalog Number: LGB2B020B
  
• Article Number: US2\:LGB2B020B
  
• Product Type: Low-Voltage Panelboard-Mount Circuit Breaker
  
• Frame: LGB / G Frame
  
• Ampere Rating: 20A
  
• Number of Poles: 2
  
• Trip Type: Thermal-Magnetic
  
• Interrupting Rating at 480Y/277V: 65 kA
  
• Interrupting Rating at 600Y/347V: 14 kA
  
• Terminal Arrangement: Load-Side Lugs Only
  
• Load Lug Type: TC1Q1
  
• Wire Range: 14–10 AWG
  
• Conductor Compatibility: Copper / Aluminum (Cu/Al)
  
• Dimensions: 2"W x 5.4"H x 2.8"D
  
• Net Weight: 1.852 lb
  
• Country of Origin: Mexico
  
• UPC: 887621220075
  
• Commodity Code: 8536200020
  
• Export Classification: ECCN EAR99 / AL N
  
• Dangerous Goods: No
  

Material Compliance and Certifications

The supplied manufacturer information identifies the LGB frame as UL Listed. Environmental documentation associated with the LGB2B020B also references WEEE (2012/19/EU) take-back obligations and includes information concerning REACH Article 33.

Where It Works Best

The LGB2B020B 20A 2-pole circuit breaker is a natural fit for existing and legacy low-voltage panelboards designed around this particular LGB G-frame configuration. For maintenance work, the combination of specifications—not just the 20A rating—determines whether you have the right breaker.