HMDL3300L - 300Amp Circuit Breaker
- 300 Amp
- 35k @ 600VAC; 65k @ 480VAC; 100k @ 240VAC
- 3 Pole
Purchase Options: New In Box
HMDL3300L - 300Amp Circuit Breaker Description
HMDL3300L - 300Amp Circuit Breaker
When you're replacing a breaker in existing electrical equipment, the catalog number and specifications need to match—not just the amperage rating. The Eaton HMDL3300L is a 300A, three-pole Series C molded-case circuit breaker built on the MDL frame and HMDL breaker configuration. It comes as a complete breaker with a T186 trip type and is rated for 50–60 Hz applications.
Key Features and Benefits
- 300A Rating: Matches applications specifically designed around a 300-amp molded case circuit breaker.
- Three-pole configuration: Intended for compatible three-pole electrical distribution equipment.
- Series C design: Part of the Eaton Series C molded case circuit breaker family.
- HMDL breaker configuration: Provides electricians and maintenance personnel with an important identifier for matching an existing breaker.
- MDL frame: Helps confirm physical and application compatibility with equipment requiring this frame.
- Complete breaker: Identified by the manufacturer as a complete circuit breaker.
- T186 trip type: An important specification to check when replacing an existing unit.
- 50–60 Hz operation: Suitable for compatible systems operating within the specified frequency range.
Technical Specifications
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Manufacturer: Eaton
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Catalog Number: HMDL3300L
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Product Name: Series C Complete Molded Case Circuit Breaker
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Product Type: Molded Case Circuit Breaker
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Series: Series C
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Circuit Breaker Type: HMDL
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Frame: MDL
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Circuit Breaker Frame Type: Complete Breaker
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Type: Complete Breaker
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Amperage Rating: 300A
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Number of Poles: Three-pole
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Trip Type: T186
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Frequency Rating: 50–60 Hz
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Terminals : Included Line and Load terminals
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Interrupt Rating at 240 VAC: 100 kAIC
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Interrupt Rating at 480 VAC: 65 kAIC
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Product Length/Depth: 18 in.
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Product Height: 8 in.
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Product Width: 11 in.
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Product Weight: 20 lb
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Certification: UL Listed
Material Compliance and Certifications
The Eaton HMDL3300L is UL Listed, providing electrical professionals with a clear certification to reference when reviewing an existing installation or a replacement requirement.
Where It Works Best
The Eaton HMDL3300L is best suited to existing electrical distribution applications that require a 300A, three-pole HMDL molded-case circuit breaker with an MDL frame. It can be particularly useful in maintenance and replacement projects where the objective is simple: preserve the equipment's intended configuration and find a breaker with the correct form, fit, and electrical characteristics.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.
Specifications
- Width:8.25
- Height:16.0
- Depth:4.06
- Poles:3
- Amperes:300
- A.I.C. Rating & Volts:35k @ 600VAC; 65k @ 480VAC; 100k @ 240VAC
- Type:HMDL
- Approx Dimensions:8.25"W x 16.00"H x 4.06"D
- Additional Notes:Thermal-magnetic circuit breaker with interchangeable trip unit. 40°C rated. HACR rated. This item includes line and load terminals. - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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Same Day Shipping
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CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).