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Siemens E4B1020 - Molded Case 20A 1-Pole 277V

Siemens
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Siemens E4B1020 is a 1-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial branch circuits. It is rated for 20A at 277V AC with a 10kA interrupting capacity, utilizing a thermal-magnetic trip unit for reliable response to overloads and short circuits. The compact plug-in design features a blue handle for quick identification and weighs 0.85 lb, facilitating easy installation in panelboards and switchgear. This breaker is UL Listed, ensuring compliance with industry safety and performance standards. It is well-suited for protecting lighting, HVAC, and other branch circuit applications requiring precise protection.

Key Features & Specifications
  • Type: Molded Case
  • Amperage: 20A
  • Voltage: 277V AC
  • Poles: 1
  • Mounting Type: Plug-in
  • Interrupt Rating: 10kA
  • Series/Frame: E4B
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL Listed
  • Weight: 0.85 lb


Part Number: E4B1020