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Siemens HE3A040 - Molded Case 40A 480V 3-Pole

Siemens
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Siemens HE3A040 Circuit Breaker is a 3-pole molded case circuit breaker designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 40A continuous current at 480V AC with a 25kA interrupting capacity at 480V, providing reliable short-circuit protection for motor circuits and other inductive loads. The unit features a bolt-on connection type, weighs 8 lb, and is constructed with a compact HE series frame for panelboard installation. This breaker complies with UL and NEMA standards for molded case circuit breakers, ensuring safe operation in commercial and industrial environments. Typical applications include motor branch circuit protection, feeder circuits, and equipment disconnects where instantaneous trip characteristics are required.

Key Features & Specifications
  • Type: Molded Case, Magnetic Only
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Dimensions: Standard HE series frame
  • Standards: UL, NEMA
  • Applications: Motor protection, feeder circuits, industrial disconnects
  • Switch Type: Circuit breaker
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (magnetic only)
  • Temp Rating: Standard ambient
  • Shipping Dimensions: Standard HE series
  • Phase: 3
  • Voltage: 480V
  • Amperage: 40A
  • AIC rating: 25kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Frame Size: HE
  • Trip Type: Instantaneous
  • Panel Type: Panelboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • Inductance: Not applicable
  • Impedance: Not applicable
  • 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 specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 40A
  • Amperage Minimum: 40A
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL
  • 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: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HE
  • Current Rating: 40A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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