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Siemens HE43M040 - Molded Case Breaker 40A 480V 3-Pole

Siemens
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Siemens HE43M040 is a 3-pole molded case circuit breaker from the HE Series, designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 40A continuous current at 480VAC with a 25kA interrupting capacity, providing LI (Long-Time and Instantaneous) protection functions. The unit weighs 7 lb and features a bolt-on connection configuration for secure panel mounting in 3-phase applications. This breaker complies with applicable UL and NEMA standards for industrial electrical safety and performance. Typical applications include motor control centers, panelboards, and switchboards requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, HE Series, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489, NEMA AB-1
  • Applications: Industrial power distribution, motor control centers, panelboards
  • Switch Type: Molded case
  • Configuration: 3-pole, 3-phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard for HE frame
  • Phase: 3
  • Voltage: 480V
  • Amperage: 40A
  • AIC rating: 25kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: HE
  • Trip Type: Thermal magnetic
  • Panel Type: Industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • 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: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 40A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 40A
  • Full Load Amp Minimum: 40A
  • Enclosure: Open (no enclosure)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 40A
  • Amperage Minimum: 40A
  • Nema Rating: Not specified
  • Switch Style: Molded case
  • Wire Size: Not specified
  • Certification: UL listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489
  • Compatible Frames: HE Series
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HE
  • Current Rating: 40A
  • 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
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available