Siemens E1SED43B050 - Molded Case 50A 3-Pole 480V
Siemens E1SED43B050 - Molded Case 50A 3-Pole 480V

Siemens E1SED43B050 - Molded Case 50A 3-Pole 480V

Siemens
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Siemens E1SED43B050 Circuit Breaker - Molded Case 50A 3-Pole 480V Thermal Magnetic The Siemens E1SED43B050 is a 3-pole molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. It is rated for 480V AC, 50A continuous current, and provides an interrupting capacity of 18kA at 480V with LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. This unit features a feed-thru connection configuration, measures 16.929 x 7.874 x 5.906 inches, weighs 13.338 lb, and is constructed in Mexico for 3-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in panelboards, switchboards, and motor control centers. Typical applications include branch circuit protection, feeder protection, and equipment disconnecting means in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, 3-Pole
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Dimensions: 16.929 x 7.874 x 5.906 inch
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection, feeder protection, motor control centers
  • Switch Type: Molded Case
  • Configuration: Fixed Mount
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 16.929 x 7.874 x 5.906 inch
  • Phase: 3
  • Voltage: 480V
  • Amperage: 50A
  • AIC rating: 18kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: E1
  • Trip Type: Thermal Magnetic
  • Panel Type: NEMA 1
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel
  • Panel Style: Enclosed
  • Bus Type: Copper
  • 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: Fixed
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • 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: Copper/Aluminum
  • Amperage Maximum: 50A
  • Amperage Minimum: 50A
  • Nema Rating: NEMA 1
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #2 AWG
  • Certification: UL Listed, CSA Certified
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: E1
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: E1
  • 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: 783643283176
  • GTIN: 00783643283176