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Siemens HE3M040 - 40A 3-Pole 480V Molded Case Breaker

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Siemens HE3M040 Circuit Breaker - 40A 3-Pole 480V Thermal Magnetic Molded Case The Siemens HE3M040 is a 3-pole molded case circuit breaker from the HE Series, designed to provide LI (Long-Time and Instantaneous) protection for industrial power distribution systems. It is rated for 40A continuous current at 480V AC with a 25kA interrupting capacity, utilizing a thermal magnetic trip mechanism for reliable overcurrent protection. The unit features a bolt-on connection style, weighs 8 lb, and is constructed for 3-phase applications. This breaker complies with industry standards for molded case circuit breakers, ensuring safe and dependable operation in commercial and industrial environments. Typical applications include branch circuit protection in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, HE Series
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 25kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 8 lb
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA
  • Installation Type: Fixed
  • Item QTY: 1
  • Breaker Frame: HE
  • Operating Temperature Maximum Celsius: 40°C
  • Metal Type: Steel
  • Panel Style: NEMA 1
  • Bus Type: Copper
  • Fuse Class: Not Applicable
  • Insulation Temperature: 105°C
  • Inductance: Not Specified
  • Impedance: Not Specified
  • Barrels: Not Applicable
  • Class Rating: Not Applicable
  • Diameter: Not Applicable
  • Velocity: Not Applicable
  • Clip Center: Not Applicable
  • Clas: Not Applicable
  • Mounting: Bolt-On
  • Hz: 60
  • Coil Material: Not Applicable
  • Horse Power: Not Specified
  • Aux Contacts: Not Included
  • CPT: Not Included
  • Full Load Amps: 40A
  • Dist Voltage: 480V
  • Bucket Size: Not Applicable
  • Bucket Style: Not Applicable
  • Bucket Type: Not Applicable
  • Full Load Amp Maximum: 40A
  • Full Load Amp Minimum: 40A
  • Enclosure: Open
  • Relay Style: Not Applicable
  • Coil Voltage Minimum: Not Applicable
  • Wire: Not Applicable
  • Amperage Maximum: 40A
  • Amperage Minimum: 40A
  • Nema Rating: NEMA 1
  • Switch Style: Not Applicable
  • Wire Size: Not Specified
  • Certification: UL Listed, CSA Certified
  • Compatible Frames: HE Series
  • Reverse Standoff Voltage: Not Applicable
  • Watts: Not Specified
  • Peak Pulse Current: Not Applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not Applicable
  • Breakdown Voltage (VBR@IT) (V): Not Applicable
  • Polarity: Not Applicable
  • Max Clamp Voltage: Not Applicable
  • On-State Current: Not Applicable


Product Identification
  • UPC: Not Available
  • GTIN: Not Available