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BSP050DC - DC Circuit Breaker 50A 125VDC

United Fuses
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The BSP050DC is a DC-rated molded case circuit breaker designed for primary overcurrent protection in industrial power systems. It is rated for 50 amps at 125 volts DC, providing reliable interruption of direct current circuits. This compact unit features a thermal-magnetic trip mechanism within a durable thermoplastic housing, weighing 5.19 pounds for straightforward panel mounting. The breaker complies with UL 489 and CSA standards for DC applications, ensuring safe operation in demanding environments. Typical uses include protection of battery banks, DC motor drives, and photovoltaic systems in manufacturing and renewable energy facilities.

Key Features & Specifications
  • Type: DC Molded Case Circuit Breaker, thermal-magnetic trip, thermoplastic housing
  • Voltage Rating: 125 V DC
  • Current Rating: 50 A
  • Weight: 5.19 lb
  • Standards: UL 489, CSA
  • Applications: Battery bank protection, DC motor drives, photovoltaic systems
  • Breaker Type: DC rated molded case
  • Poles: 1-pole
  • Connection: Line and load terminals
  • Mounting: Panel mount
  • Frame Size: Compact
  • Trip Type: Thermal-magnetic
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Screw-type
  • Frequency Rating: DC only
  • Phase Connection: Single-phase DC
  • Installation Type: Panel
  • Item QTY: 1
  • Breaker Frame: Standard
  • Current Rating: 50 A
  • Operating Temperature Maximum Celsius: 40 °C


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