SKU: 79758937294

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: 79758937294

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4.2 ★★★★★
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Product Reviews
A
Verified Purchase
amanda
Port Orchard, US
★★★★★ 5
Perfect!
Size: 5FT, Color: White
Perfect for getting all the cords under control!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
S
Verified Purchase
smfogre
Phoenix, US
★★★★★ 4
Decent
Size: 20FT, Color: White
I needed a heat gun to make it a little more pliant to get the kinks out but otherwise I loved it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
L
Verified Purchase
Lasse Gummerus
Battle Creek, US
★★★★★ 5
Exactly what I needed!
Size: 20FT, Color: White, Size: 20FT, Color: White
This was exactly what I needed! Had to figure out a spot for the automatic litter box we have but the nearest outlet was 20 feet away. This outlet was the perfect length and I used 3M tape to secure it to the baseboard so it blended in!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2026
D
Verified Purchase
DeeJay Taylor
Carnegie, US
★★★★★ 5
Good item
Size: 20FT, Color: White
Good item. The flat cord allowed me to run it around the baseboard with little visibility
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
A
Verified Purchase
Ashley
Carnegie, US
★★★★★ 5
Great
Size: 5FT, Color: White
I used this and 3m tape to attach it to the back of my nightstand and it has worked great for my Intended purpose!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026

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