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Siemens E21B070 - 70A 1-Pole Molded Case Breaker (120V)

Siemens
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The Siemens E21B070 is a 1-pole, 70A molded case circuit breaker from the E Series, designed to provide thermal-magnetic protection for branch circuits in industrial and commercial power distribution systems. It operates at 120V AC with a 10kA interrupting capacity and features LI (Long-Time and Instantaneous) trip functions for precise overcurrent and short-circuit protection. This bolt-on unit weighs 4 lb and is constructed for single-phase applications, ensuring reliable performance in panelboards and load centers. The breaker complies with industry standards for molded case circuit breakers, making it suitable for protecting wiring and equipment in manufacturing facilities, commercial buildings, and similar environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, E Series, Thermal-Magnetic
  • Voltage Rating: 120V AC
  • Current Rating: 70A
  • Poles: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 10kA@120V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case
  • Family: E Series
  • Type: E