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ABB S201UP-K4 - Miniature Circuit Breaker 4A 277V

ABB
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ABB S201UP-K4 is a 1-pole miniature circuit breaker from the S 200 UP Series, designed for branch circuit protection with a thermal magnetic trip mechanism. It is rated for 4A at 277V AC, with a 10kA interrupting capacity at 277V, and features LI (Long-Time and Instantaneous) protection functions. The unit weighs 0.3 lb, utilizes a feed-thru connection, and is suitable for reverse feed applications with bolt-on mounting. This Molded Case breaker complies with UL standards and is certified for use in single-phase systems. It is typically applied in industrial and commercial electrical panels requiring reliable overcurrent protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: S 200 UP Series
  • Type: S201UP-K
  • Weight: 0.3 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 277V
  • Poles: 1
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@277V
  • Phase: 1
  • Current Rating: 4A
  • Amperage: 4 Amps
  • Voltage: 277 Volts AC
  • Interrupt Rating: 10 kA at 277V
  • Trip Unit: Thermal Magnetic, K-Curve
  • Mounting Type: Bolt-On
  • Series/Frame: S200 UP
  • Suitable for Reverse Feed
  • Certification: UL Listed