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Siemens LGB2K045B - Molded Case Circuit Breaker 45A 2-Pole

Siemens
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Siemens LGB2K045B is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 45A, 2-pole unit provides LI (Long-Time and Instantaneous) protection through a thermal magnetic trip mechanism, rated for 600V AC and 1-phase operation. The bolt-on connection breaker measures 2.87 x 1.969 x 4.988 inches and weighs 1.852 lb, with an operating temperature range of -13°F to 158°F (-25°C to 70°C). It carries certifications including UL, CSA, IEC, and NOM, with an AIC rating of 65kA at 480V. This GB2 Series breaker is suitable for panelboard and switchboard applications requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V
  • Current Rating: 45A
  • Dimensions: 2.87 x 1.969 x 4.988 inch
  • Standards: UL, CSA, IEC, NOM
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: Thermal Magnetic
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13°F - 158°F (-25°C - 70°C)
  • Shipping Dimensions: 2.87 x 1.969 x 4.988 inch
  • Phase: 1
  • Amperage: 45A
  • AIC rating: 65kA@480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: GB2
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Bolt-On
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 45A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL, CSA, IEC, NOM
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: N/A
  • Frequency Rating: N/A
  • Phase Connection: 1-Phase
  • Standards: UL, CSA, IEC, NOM
  • Compatible Frames: GB2
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: GB2
  • Current Rating: 45A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 804766340239
  • GTIN: 00804766340239