


- Circuit Breaker /
- Molded Case /
- Siemens /
HLXD63B300
HLXD63B300

IMAGES ARE FOR REFERENCE ONLY.
Select Product Condition:
What's the difference?View Specifications
HLXD63B300 Specifications
View Full SpecificationsView Specifications
HLXD63B300, Siemens, Sentron Series, type HLXD, 3P, 3PH, 300A, 600V, 65kA@480V, high interrupting capacity, Bolt-On, 40º C, complete with non-interchangeable trip, LI - Long-Time and Instantaneous trip functions, lugs not included, Thermal Magnetic, molded case circuit breakers
| Manufacturer | Siemens | Subcategory | Molded Case |
| Family | Sentron Series | Amperage | 300 |
| Voltage | 600 | Poles | 3 |
| Manufacturer | Siemens | ||
| Subcategory | Molded Case | ||
| Family | Sentron Series | ||
| Amperage | 300 | ||
| Voltage | 600 | ||
| Poles | 3 |
Electrical.com is NOT an authorized distributor for Siemens and therefore the manufacturer’s warranty does not apply. This product does include an Electrical.com 2 year warranty.



The HLXD63B300 is a molded case circuit breaker designed for industrial and commercial applications. It features a 3-pole configuration, a 300A rating, and a voltage capacity of up to 600V. The breaker utilizes a Thermal Magnetic trip system, providing LI - Long-Time and Instantaneous protection. It boasts an interrupting capacity of 65kA@480V, making it suitable for high-fault environments. The Bolt-On connection design ensures secure installation in compatible panelboards.
The series, including the HLXD63B300, has been widely adopted in various sectors due to its reliability and adaptability. Its modular design and field-installable components have made it a preferred choice for facilities requiring scalable and maintainable power distribution solutions. These breakers remain in use and are supported by retrofit solutions across many operational environments.
Purchase the HLXD63B300 at Electrical.com, your reliable partner for industrial and commercial electrical products. Our selection includes trusted breakers from manufacturers like Siemens, backed by a dedicated sales team ready to assist with technical questions, product selection, and support..