Siemens LGB3B040B - Molded Case Circuit Breaker 40A 600V 3-Pole
Siemens LGB3B040B - Molded Case Circuit Breaker 40A 600V 3-Pole

Siemens LGB3B040B - Molded Case Circuit Breaker 40A 600V 3-Pole

Siemens
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Siemens LGB3B040B is a VL Series molded case circuit breaker designed for overcurrent protection in industrial electrical distribution systems. It is rated for 40A at up to 600VAC with three poles, featuring a bolt-on mounting connection and a thermal-magnetic trip unit for reliable fault interruption. The breaker measures 2.961 x 2.87 x 4.996 inches, weighs 5.19 lb, and is constructed for operation in ambient temperatures from -13°F to 158°F (-25°C to 70°C). It is certified to UL, CSA, IEC, and NOM standards, with an interrupting capacity of 100kA at 240V. This unit is suitable for use in panelboards, switchboards, and motor control centers requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Model: LGB3B040B
  • Family: VL Series
  • Current Rating: 40A
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Interrupt Rating: 100kA at 240V, 65kA at 480Y/277V, 14kA at 600Y/347V
  • Trip Unit: Thermal-Magnetic
  • Dimensions: 2.961 x 2.87 x 4.996 inches
  • Weight: 5.19 lb
  • Temperature Rating: -13°F to 158°F (-25°C to 70°C)
  • Phase: 3
  • Certifications: UL, CSA, IEC, NOM
  • Country of Origin: Mexico


Part Number: LGB3B040B