MDL3450L - 450 Amp Circuit Breaker



- 450 Amp
- 25k @ 600VAC; 50k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options: New In Box
MDL3450L - 450 Amp Circuit Breaker Description
Eaton MDL3450L - 450 Amp Circuit Breaker
When it comes to high-demand electrical systems, you need a circuit breaker that won’t let you down. The Eaton MDL3450L delivers top-notch protection and dependable performance, whether you’re powering commercial buildings, industrial facilities, or critical motor systems. With an impressive 450 A rating and flexible voltage handling, it helps keep operations running safely and smoothly.
Key Features and Benefits
- Large 450 A capacity: Easily handles high-load situations in both commercial and industrial applications.
- Dual AC/DC voltage support: Works at 600 Vac and 250 Vdc so you’ve got more flexibility for different system designs.
- Strong interrupting power: Rated at 65 kAIC at 240 Vac and 50 kAIC at 480 Vac, offering peace of mind even under fault conditions.
- Well-built and sturdy: Designed to endure tough environments, the MDL3450L maintains performance under pressure without breaking a sweat.
- User-friendly terminals: Both line and load lug terminals are included, simplifying installation and wiring.
Technical Specifications
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Frame Type: MDL
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Trip Mechanism: Fixed thermal and magnetic
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Poles: 3
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Amperage: 450 A
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Voltage Rating: 600 Vac, 250 Vdc
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Interrupting Capacity:
- 65 kAIC (240 Vac)
- 50 kAIC (480 Vac)
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Frequency: 50/60 Hz
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Dimensions: (Listed as placeholder values—please confirm actual dimensions before publishing)
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Weight: (Listed as placeholder value—please confirm before publishing)
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Special Features: Built‑in line and load lug terminals make wiring clean and straightforward.
Material Compliance and Certifications
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UL Listed: Meets widely recognized safety and performance standards, giving you confidence that it’s built to last and safe to use in a variety of environments.
Suitability
- Commercial spaces — perfect for office buildings, retail centers, and multi‑tenant units where reliable load protection is crucial.
- Industrial settings — tough enough to support manufacturing plants, warehouses, and process‑driven operations.
- Power distribution networks — keeps power delivery systems protected and efficient across the board.
- Motor-driven equipment — excellent for safeguarding motors against overloads and short-circuit events, helping minimize unplanned downtime.
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. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:8.25
- Height:16.0
- Depth:4.06
- Poles:3
- Amperes:450
- A.I.C. Rating & Volts:25k @ 600VAC; 50k @ 480VAC; 65k @ 240VAC
- Type:MDL
- 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.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
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).