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Challenger CH3090ST - 90A 3-Pole Molded Case Circuit Breaker

Challenger
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Challenger CH3090ST is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 90A current rating and a 480V AC voltage rating, housed in a compact, durable molded case with a bolt-on connection for secure installation. This unit complies with UL 489 standards and provides thermal-magnetic protection with long-time and instantaneous (LI) trip functions for comprehensive circuit safety. It is typically applied in industrial and commercial power distribution panels, motor control centers, and other equipment requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 90A
  • Phase: 3
  • Poles: 3
  • AIC Rating: 10kA @ 240V AC
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Connection: Bolt-On
  • Wire Size: #10 - 1/0 AWG Cu/Al (60°C or 75°C)
  • Certification: UL 489
  • Frame Type: CH Series
  • Weight: 1 lb


Product Identification
  • UPC: 782113364346
  • GTIN: 00782113364346