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Siemens EH3A050 - Molded Case 50A 480V 3-Phase

Siemens
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Siemens EH3A050 Circuit Breaker - Molded Case 50A 480V 3-Phase The Siemens EH3A050 is a 3-pole molded case circuit breaker designed for magnetic-only instantaneous protection in industrial power distribution systems. It is rated for 480V AC, 50A continuous current, and provides a 14kA interrupting capacity at 480V to safeguard against short circuits. This bolt-on unit weighs 8 lb and features a compact EH frame construction for reliable performance in panelboards and switchboards. It complies with industry standards for overcurrent protection in three-phase applications. Typical uses include motor control centers, machinery disconnects, and feeder circuits requiring instantaneous trip response.

Key Features & Specifications
  • Type: Molded Case, Magnetic Only
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Dimensions: Standard EH frame size
  • Standards: UL, CSA, NEMA
  • Applications: Industrial motor protection, feeder circuits, panelboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (magnetic only)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6 x 4 x 3 inches (approximate)
  • Phase: 3
  • Voltage: 480V
  • Amperage: 50A
  • AIC rating: 14kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • Frame Size: EH
  • Trip Type: Instantaneous
  • Panel Type: Industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel
  • Panel Style: Bolt-On
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • 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 applicable
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 50A
  • Dist Voltage: 480V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 50A
  • Full Load Amp Minimum: 50A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 50A
  • Amperage Minimum: 50A
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • 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: EH Series
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: EH
  • Current Rating: 50A
  • 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