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Siemens ED43M020 - Molded Case Breaker 20A 3 Pole

Siemens
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Siemens ED43M020 is a 3-pole molded case circuit breaker from the Sentron Series, designed for thermal magnetic protection in industrial power distribution systems. It is rated for 20A continuous current at 480V AC with an 18kA interrupting capacity, providing long time and instantaneous trip functions for overload and short circuit protection. The bolt-on unit measures 6.693 x 5.906 x 3.969 inches, weighs 3.84 lb, and accepts copper or aluminum wire from AWG 14 to AWG 10. This breaker is IEC Certified and UL Listed, operating reliably across a temperature range of -13°F to 158°F (-25°C to 70°C). Typical applications include branch circuit protection in panelboards, switchboards, and motor control centers requiring 3-phase, 480V AC service.

Key Features & Specifications
  • Type: Molded Case, Sentron Series, Thermal Magnetic
  • Voltage Rating: 480 ACV
  • Current Rating: 20A
  • Dimensions: 6.693 x 5.906 x 3.969 inches
  • Standards: IEC Certified, UL Listed
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3 Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13°F - 158°F (-25°C - 70°C)
  • Shipping Dimensions: 6.693 x 5.906 x 3.969 inches
  • Phase: 3
  • Voltage: 480 ACV
  • Amperage: 20A
  • AIC rating: 18kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: ED
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • 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: 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 (assumed for 480V AC)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 20A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 20A
  • Full Load Amp Minimum: 20A
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper/Aluminum
  • Amperage Maximum: 20A
  • Amperage Minimum: 20A
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • Wire Size: AWG 14 to AWG 10, AWG 12 to AWG 10, Cu/Al
  • Certification: IEC Certified, UL Listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz (assumed)
  • Phase Connection: 3 Phase
  • Standards: IEC, UL
  • Compatible Frames: ED
  • Installation Type: Bolt-On
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: ED
  • 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: 70°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 783643317840
  • GTIN: 00783643317840