Siemens HED43B050 - Molded Case Circuit Breaker 50A 480V 3P
Siemens HED43B050 - Molded Case Circuit Breaker 50A 480V 3P

Siemens HED43B050 - Molded Case Circuit Breaker 50A 480V 3P

Siemens
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Siemens HED43B050 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 50A current rating and a 480V AC voltage rating, housed within a compact 3" x 6.35" (76.2 mm x 161.3 mm) frame with a weight of 3.6 lb. The breaker is constructed for robust performance with a thermal-magnetic trip unit offering long-time and instantaneous protection, and it complies with key industry standards including UL 489 and IEC 60947-2. Its high interrupting capacity of 42kA at 480V makes it suitable for installation in Siemens SB switchboards and Sentron panelboards, where it ensures system protection for conductors sized from 10 AWG to 1/0 AWG.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, High Interrupting Capacity
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Frame Size: 125A/ED
  • Poles: 3
  • AIC Rating: 42kA @ 480V
  • Connection: Lug In Panelboard, Load Side Lug
  • Phase Connection: ABC
  • Wire Size: 10 AWG to 1/0 AWG (Cu/Al)
  • Standards & Certification: UL 489, IEC 60947-2
  • Dimensions: 3 in x 6.35 in (76.2 mm x 161.3 mm)
  • Weight: 3.6 lb
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Panel Type: SB Switchboards, Sentron Panelboards
  • Functions: Long Time and Instantaneous Trip
  • Protection: Thermal Magnetic
  • Family: Sentron Series


Product Identification
  • UPC: 783643210165
  • GTIN: 00783643210165