SIEMENS
3VA5330-6EC61-0AA0 - 300A Class HJAS 2-Pole Circuit Breaker
3VA5330-6EC61-0AA0 - 300A Class HJAS 2-Pole Circuit Breaker
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3VA5330-6EC61-0AA0 - 300A Class HJAS 2-Pole Circuit Breaker
When you’re working with higher amperage systems, you don’t want to second-guess your protection. The Siemens 3VA5330-6EC61-0AA0 is a 300 amp breaker built for that kind of environment—simple, dependable, and made to handle real-world conditions without drama. This is a 2-pole breaker in a 3-pole frame, which comes in handy if you’re matching an existing setup or need a bit of flexibility in your panel. It uses a thermal magnetic trip unit, so you’re getting straightforward overload protection along with fast response to short circuits. Nothing overly complicated—just proven protection that does what it’s supposed to do. With a 65 kA rating at 480V, it’s more than capable in commercial and industrial settings where fault currents can get high. Once it’s installed, it’s the kind of component you don’t have to think about again—and that’s exactly the point.
Key Features and Benefits
- 300 amp rating for larger electrical loads
- 65 kA interrupting capacity at 480V
- Thermal magnetic trip unit (TM230)
- Fixed overload protection at 300A
- Adjustable instantaneous trip (5–10x range)
- 2-pole breaker in a 3-pole frame
- Built on Siemens’ 3VA5 platform
Technical Specifications
- Part Number: 3VA5330-6EC61-0AA0
- Series: 3VA5
- Frame Size: 400A
- Poles: 2 (in 3-pole frame)
- Amps: 300A
- Interrupting Rating: 65 kA @ 480V AC
- Trip Unit: Thermal Magnetic (TM230)
- Overload (Ir): Fixed at 300A
- Instantaneous (Ii): 5–10x In
- Size: 9.8" H x 6.3" W x 5.9" D
- Lugs: Not included
Material Compliance and Certifications
- UL Standards: This breaker is designed to meet UL standards for molded case circuit breakers, so it lines up with common code requirements and safety expectations in commercial and industrial installs.
Where It Works Best
- Commercial buildings
- Industrial panels and machinery
- Manufacturing facilities
- Service upgrades and replacements
- Anywhere you need solid 300A protection without overcomplicating things
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