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ABB S4HD-3P-250A-NA-ROTARY - Molded Case Circuit Breaker 250A 600V 3-Pole

ABB
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ABB S4HD-3P-250A-NA-ROTARY is a 3-pole, 250A molded case circuit breaker from the SACE Isomax family, designed as a non-automatic switch for power distribution protection without overcurrent trip functionality. It is rated for 600V AC with a 250A continuous current capacity and an interrupting rating of 65kA at 480V AC, suitable for high-fault applications. The unit features a bolt-on mounting type, a compact S4 frame size, and a weight of 10 lb, with a rotary handle for manual switching. It complies with UL 489 and CSA C22.2 standards for safety and performance in industrial environments. Typical applications include use as a main disconnect or branch switch in panelboards, switchboards, and motor control centers where overcurrent protection is provided upstream.

Key Features & Specifications
  • Manufacturer: ABB
  • Family: SACE Isomax
  • Type: S4H-D
  • Item Subcategory: Molded Case
  • Frame Size: S4
  • Current Rating: 250A
  • Voltage Rating: 600V AC
  • Number of Poles: 3
  • Phase: 3
  • Interrupting Rating: 65kA at 480V AC
  • Connection: Bolt-On
  • Protection: Non-Automatic (No Overcurrent Protection)
  • Functions: NA
  • Weight: 10 lb
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL 489, CSA C22.2