SKU: 91590653383

Siemens HED43B050L 50A 3-Pole 480V Molded Case Circuit Breaker Thermal Magnetic 18kA@480V

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Description

Siemens HED43B050L 50A 3-Pole 480V Molded Case Circuit Breaker Thermal Magnetic 18kA@480VProduct Description The Siemens HED43B050L is a 50 Amp, 3 Pole thermal magnetic molded case circuit breaker designed for commercial and industrial power distribution applications. Part of Siemens' ED frame family, this breaker provides dependable overload and short circuit protection and includes factory installed line and load lugs for simplified installation in panelboards, switchboards, and OEM equipment. Key Features Catalog Number: HED43B050L

Product Description

The Siemens HED43B050L is a 50 Amp, 3-Pole thermal magnetic molded case circuit breaker designed for commercial and industrial power distribution applications. Part of Siemens' ED frame family, this breaker provides dependable overload and short-circuit protection and includes factory-installed line and load lugs for simplified installation in panelboards, switchboards, and OEM equipment.


Key Features

  • Catalog Number: HED43B050L
  • Manufacturer: Siemens
  • Amperage: 50 Amp
  • Poles: 3-Pole
  • Voltage Rating: 480VAC
  • ED Frame Circuit Breaker
  • Thermal Magnetic Trip Unit
  • Factory Installed Line & Load Lugs
  • Bolt-On Mounting
  • Compact Design
  • UL Listed
  • CSA Certified

Interrupting Ratings (KAIC)

  • 25kA @ 240VAC
  • 18kA @ 480VAC

Technical Specifications

  • Manufacturer: Siemens
  • Catalog Number: HED43B050L
  • Series: ED Frame
  • Type: Molded Case Circuit Breaker
  • Amperage: 50A
  • Poles: 3
  • Voltage Rating: 480VAC
  • Frequency: 50/60 Hz
  • Trip Unit: Thermal Magnetic
  • Mounting Style: Bolt-On
  • Connection Type: Factory Installed Line and Load Lugs
  • Protection Functions:
    • Long-Time Protection
    • Instantaneous Protection
  • Certifications:
    • UL 489 Listed
    • CSA Certified

Product Data

  • Brand: Siemens
  • Manufacturer: Siemens
  • Model: HED43B050L
  • Series: ED Frame
  • Type: Molded Case Circuit Breaker
  • Frame Size: ED
  • Protection Type: Thermal Magnetic
  • Mounting: Bolt-On
  • Connection: Factory Installed Line and Load Lugs
  • Condition: New / Reconditioned
  • Phase: 3 Phase
  • Rated Current: 50A
  • Rated Voltage: 480VAC
  • UPC: 783087018321
  • GTIN: 00783087018321
  • Dimensions:
    • Height: 6.50 in
    • Width: 4.13 in
    • Depth: 3.93 in
  • Weight: Approximately 4 lbs
  • Country of Manufacture: United States

Compatible Equipment

  • Siemens Panelboards
  • Siemens Switchboards
  • Siemens Distribution Equipment
  • OEM Power Distribution Assemblies Utilizing ED Frame Breakers

Applications

  • Commercial Buildings
  • Industrial Facilities
  • Manufacturing Equipment
  • Power Distribution Systems
  • OEM Electrical Equipment
  • Motor Circuit Protection

Replacement Information

  • Siemens ED Frame Circuit Breaker
  • Direct replacement should match catalog number HED43B050L
  • Thermal Magnetic Fixed Trip Configuration
  • Factory Installed Line and Load Lugs Included
  • Bolt-On Mounting Configuration

Important: The "L" suffix indicates factory-installed line and load lugs. The HED43B050L differs from the standard HED43B050 by including these lugs from the factory.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91590653383

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MH
Massapequa, US
★★★★★ 3
Runs large with gaping arm holes.
Size: Large, Color: White
This runs extra large and the arm holes are gaping. You can see your undergarments through the arm holes. I am hoping that the shirt shrinks in the wash.
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Reviewed in the United States on January 17, 2026
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Jean iacovone
Pawtucket, US
★★★★★ 5
It soft and fits perfectly
Size: Large, Color: Black
Good love it
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Reviewed in the United States on June 8, 2026
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Dee
Chelsea, US
★★★★★ 5
Nice fit
Size: Medium, Color: Black
Its good i like it
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Reviewed in the United States on May 24, 2026
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Cliente de Amazon
Phoenix, US
★★★★★ 5
Buena calidad
Size: Medium, Color: Black
Buena calidad
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Reviewed in the United States on May 30, 2026
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Cody Northup
Boise, US
★★★★★ 4
Runs large
Size: Large, Color: White
Runs much larger than I expected. I am 5’4”& 136 pounds. Usually wear a medium or large in some knit tops. So I need to stitch the side seams in hopes it will fit better. I like the weight and softness of the fabric, but really disappointed in the too large armholes. Unwearable for me until I can sew new side seams.
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Reviewed in the United States on February 11, 2026

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