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- Molded Case /
- Eaton /
HMDL3350
HMDL3350
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HMDL3350 Specifications
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HMDL3350, Eaton, Westinghouse, Cutler Hammer, Series C, type HMDL, P, PH, A, V, , high interrupting capacity, 40°C, Feed-Thru, complete with interchangeable, trip functions and line & load side lug terminals, Thermal Magnetic molded case circuit breakers
| Manufacturer | Eaton | Subcategory | Molded Case |
| Family | Series C | Protection | Thermal Magnetic |
| Connection | Feed-Thru | ||
| Manufacturer | Eaton | ||
| Subcategory | Molded Case | ||
| Family | Series C | ||
| Protection | Thermal Magnetic | ||
| Connection | Feed-Thru |
Electrical.com is NOT an authorized distributor for Square D and therefore the manufacturer’s warranty does not apply. This product does include an Electrical.com 2 year warranty.



We can test, inspect and repair your HMDL3350. All repairs include a 2-Year Electrical.com Warranty.

The HMDL3350 is a molded case circuit breaker from Eaton’s Series C product line, built on the MDL-frame architecture. With a A continuous current rating and a V maximum voltage rating, this -pole breaker is designed for use in demanding power distribution applications. It features Thermal Magnetic trip units, offering consistent and reliable overcurrent protection. The interrupting capacity is rated at {aic rating}, making it suitable for systems requiring high fault current interruption capabilities.
Part of the long-standing Series C family, the HMDL3350 has a proven record of service in industrial and commercial electrical systems. Its MDL-frame design supports multiple mounting and connection configurations, allowing seamless integration into new and retrofit projects. It conforms to UL standards for molded case circuit breakers, ensuring dependable performance and compliance with industry requirements.
The HMDL3350 is available now at Electrical.com. We stock a wide selection of Eaton products, including legacy lines from Cutler-Hammer and Westinghouse, ensuring compatibility across generations of installations. Our knowledgeable sales team is available to assist with technical specifications, cross-referencing, and procurement to support electrical contractors, engineers, and facility managers.

