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NULL QSA2020 - Circuit Breaker 20A 2-Pole SPD

United Fuses
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NULL QSA2020 is a 20 Amp 2 Pole circuit breaker integrated with a surge protective device (SPD) for 120/240 Volt AC systems, designed to provide both overcurrent protection and transient voltage suppression in a single unit. It features a 10kA interrupt rating and a 40kA maximum impulse rating, utilizing metal oxide varistors (MOVs) for robust surge protection. The device weighs 7 lb and is constructed as a plug-on style unit with load terminals, calibrated for a 40ºC ambient temperature. It is UL listed, ensuring compliance with industry safety standards. This circuit breaker is suitable for residential, commercial, and industrial applications requiring combined branch circuit protection and surge suppression.

Key Features & Specifications
  • Manufacturer: NULL
  • Item Subcategory: Parts & Accessories
  • Weight: 7 lb
  • Amperage: 20 Amp
  • Voltage: 120/240 VAC
  • Poles: 2 (dual 1-pole breakers)
  • Interrupt Rating: 10kAIC
  • Surge Protection: Integrated SPD with 40kA impulse rating
  • Type: QP Circuit Breaker
  • Mounting: Plug-on style with load terminals
  • Trip Unit: Thermal Magnetic
  • Indicators: 2 green LEDs for surge protection status
  • Certifications: UL Listed
  • Ambient Rating: 40ºC max