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Siemens HE3A020 - Molded Case Breaker 20A 480V 3-Pole

Siemens
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Siemens HE3A020 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 20A continuous current at 480V AC with a 25kA interrupting capacity at 480V, providing reliable short-circuit protection for three-phase applications. The unit features a bolt-on connection type, weighs 8 lb, and is constructed as part of the HE Series with a compact molded case design for panelboard installation. It complies with UL and CSA standards for industrial circuit protection, ensuring safe operation in demanding environments. Typical applications include motor control centers, lighting panels, and distribution boards requiring instantaneous trip response without thermal overload protection.

Key Features & Specifications
  • Type: Molded Case, Magnetic Only, Instantaneous Trip
  • Voltage Rating: 480V AC
  • Current Rating: 20A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489, CSA C22.2
  • Applications: Industrial power distribution, motor control, lighting panels
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (magnetic only)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard
  • Phase: 3
  • Voltage: 480V
  • Amperage: 20A
  • 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: Standard
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not included
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 20A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: HE Series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: HE
  • Current Rating: 20A
  • 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 provided
  • GTIN: Not provided