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MBKVA5262B - 3-Pole 250A Circuit Breaker 35kAIC

United Fuses
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The MBKVA5262B is a 3-pole molded case circuit breaker designed for use as a main circuit breaker in RP1 panelboards, providing primary overcurrent protection for electrical distribution systems. It is rated for 250A of continuous current and offers a high interrupting capacity of 35kAIC at 480V, ensuring robust fault clearing capability in three-phase power systems. This unit weighs 3.505 lb and is constructed as a compact, bolt-on breaker from the MBK family, designed for direct installation into compatible panelboard frames. The breaker complies with industry standards for panelboard main circuit breakers, ensuring reliable performance in commercial and industrial settings. Typical applications include serving as the main disconnect and protection device in RP1 series panelboards for lighting, power, and distribution loads.

Key Features & Specifications
  • Type: MBK Molded Case Circuit Breaker
  • Poles: 3
  • Current Rating: 250A
  • AIC Rating: 35kAIC at 480V
  • Phase: 3
  • Compatible Frames: RP1 Panelboard Main Circuit Breaker
  • Weight: 3.505 lb
  • Family: MBK
  • Item Subcategory: Panels & Accessories