Siemens HED42B070 - Molded Case Breaker 70A 480V 42kA AIC
Siemens HED42B070 - Molded Case Breaker 70A 480V 42kA AIC

Siemens HED42B070 - Molded Case Breaker 70A 480V 42kA AIC

Siemens
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Siemens HED42B070 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial electrical systems. It features a 70A current rating and a 480V voltage rating, housed within a compact 125A/ED frame with a 2.8 lb weight and load-side lug connections for panelboard installation. This thermal-magnetic breaker is constructed for high interrupting capacity, offering a 42kA AIC rating at 480V, and operates reliably across a wide temperature range from -25°C to 70°C (-13°F to 158°F). It complies with key industry standards including UL 489 and IEC 60947-2, ensuring safety and interoperability. The breaker is typically applied in single-phase systems within SB switchboards and Sentron panelboards, providing long-time and instantaneous (LI) trip protection for circuits with wire sizes from 12 AWG aluminum (14 AWG copper) to a maximum of 10 AWG.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, High Interrupting Capacity
  • Voltage Rating: 480V AC
  • Current Rating: 70A
  • Frame Size: 125A/ED
  • Poles: 2
  • AIC Rating: 42kA @ 480V
  • Phase: 1
  • Connection: Lug In Panelboard, Load Side Lug
  • Protection Functions: LI (Long-Time and Instantaneous Trip)
  • Standards: UL 489, IEC 60947-2
  • Panel Type: SB Switchboards, Sentron Panelboards
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • MCM Size / Wire Range: Min. 12 AWG (Al) / 14 AWG (Cu), Max. 10 AWG
  • Weight: 2.8 lb
  • Family: Sentron Series
  • Breaker Type: HED


Product Identification
  • UPC: 783643210035
  • GTIN: 00783643210035