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Siemens E43B090L - MCCB 90A 480V 3-Pole (E Series)

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Siemens E43B090L is a molded case circuit breaker from the E Series designed for overcurrent protection in three-phase electrical systems. It is rated for 90 Amps at 480V AC with an 18kA interrupt rating and features a thermal-magnetic trip unit for reliable fault response. The unit has a 3-pole configuration with bolt-on mounting for secure installation and weighs 5.19 lb. It complies with UL 489, UL 1066, ANSI C37, and NETA standards for safety and performance. This breaker is suitable for industrial and commercial power distribution applications requiring dependable circuit protection.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: E43B090L
  • Amperage: 90 Amp
  • Voltage: 480V
  • Poles: 3 Pole
  • Mounting Type: Bolt-On
  • Interrupt Rating: 18kA at 480V
  • Series/Frame: E Series
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL 489, UL 1066, ANSI C37, NETA
  • Weight: 5.19 lb