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Eaton Cutler-Hammer BR Circuit Breakers BR330ST

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BR330ST

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The BR330ST is a thermal magnetic circuit breaker produced by Eaton Cutler-Hammer, designed for effective circuit protection. It operates at a voltage rating of 240V and supports an amperage rating of 30 A, offering reliable performance in various electrical systems.

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Ships from Raleigh, NC
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Technical specifications for BR330ST

ManufacturerEaton Cutler-Hammer
Product TypeThermal Magnetic Circuit Breaker
Product LineBR Circuit Breakers
Part NumberBR330ST
Weight1.31 lbs (0.60 kg)
UPC786676003384
Voltage Rating240V
Amperage Rating30 A
Overload ProtectionFixed Thermal (Bi-metallic)
Number of PolesThree Poles
Interrupt Rating10 kAIC
Trip TypeThermal-Magnetic
HACR RatedYes
Shunt TripIncluded
Frequency Rating50-60 Hz
Wire Size#14-4 AWG Cu/Al
Mounting MethodPlug-On
Ambient Temperature40°C
CertificationUL 489

The Eaton Cutler-Hammer BR330ST circuit breaker is a thermal magnetic model that functions effectively within a voltage rating of 240V. This device has a maximum amperage capacity of 30 A and employs a trip mechanism that combines thermal and magnetic principles to ensure operational safety. With three poles, this circuit breaker is ideal for multiple electrical setups. The fixed thermal overload protection is designed with a bi-metallic sensor, providing additional assurance during overload conditions.

Its interrupt rating reaches up to 10 kAIC, ensuring robustness during fault conditions. The BR330ST circuit breaker is rated HACR, making it suitable for applications involving heating, air conditioning, and refrigeration systems. Installation is simplified with a plug-on mounting method, ensuring quick integration into existing panels.

Operating effectively within a frequency range of 50-60 Hz, it has a wire size capacity accommodating #14 to 4 AWG for both copper and aluminum connections. The permissible ambient temperature for the BR330ST is 40°C, making it reliable in manageable operational environments. This device carries UL 489 certification, validating its compliance with stringent safety regulations.