Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker
Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker
Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker
Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker
Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker
Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker

Cutler Hammer CH330ST - 30A 3-Pole Thermal Magnetic Circuit Breaker

Cutler Hammer
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Cutler Hammer CH330ST is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 30A current rating and a 240V AC voltage rating, housed within a compact CH frame with plug-in connection terminals for simplified installation. The breaker utilizes a thermal-magnetic trip mechanism offering both long-time and instantaneous protection, is constructed to operate in temperatures from -25°C to 70°C, and complies with the UL 489 standard. Its 10kA interrupting rating at 240V and compatibility with #14 to 6 AWG copper or aluminum wire make it suitable for a range of industrial panelboard and load center applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Dimensions: 4.8 in x 3.5 in x 3.5 in (L x H x W)
  • Standards: UL 489 Listed
  • Applications: Industrial Panelboards, Load Centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: CH
  • Wire Size: #14 to 6 AWG Cu/Al
  • Certification: UL 489
  • Weight: 1.15 lb


Product Identification
  • UPC: 782113339689
  • GTIN: 00782113339689