NM632450 - 450Amp Circuit Breaker
- 450 Amp
- 22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
- 3 Pole
Purchase Options: Refurbished
NM632450 - 450Amp Circuit Breaker Description
NM632450 - 450Amp Circuit Breaker
The NM632450 450 Amp Circuit Breaker is used in industrial and commercial electrical systems where high current capacity and dependable protection are required. This 3-pole molded case breaker is designed to protect equipment and wiring from overloads and short circuits in three-phase applications. It uses a thermal magnetic trip system that responds reliably to fault conditions without unnecessary nuisance trips.
With a bolt-on mounting style and load-side lugs included, the NM632450 is commonly selected for maintenance, repair, or replacement work in existing electrical installations. It is built to handle demanding electrical loads while maintaining stable performance in everyday operating conditions.
Key Features and Benefits
- 450 Amp Rating: Supports high-load applications found in industrial and large commercial power systems.
- 3-Pole Design: Suitable for three-phase electrical distribution.
- Thermal Magnetic Protection: Provides protection against both sustained overloads and instantaneous short circuits.
- Bolt-On Mounting: Allows for secure installation in compatible panels and switchgear.
- Load-Side Lug Terminals Included: Helps simplify wiring and installation.
- Molded Case Construction: Designed to handle heat and demanding environments common in electrical rooms.
Technical Specifications
- Amperage: 450A
- Poles: 3
- Voltage Rating: Up to 600VAC
-
Interrupting Capacity (AIC):
- 22kA @ 600VAC
- 30kA @ 480VAC
- 42kA @ 240VAC
- Frame Type: NM
- Dimensions: 8.19" W × 15.50" L × 4.13" D
- Approximate Shipping Weight: 38 lbs
- Operating Temperature: Up to 40°C
Material Compliance and Certifications
- This circuit breaker is manufactured using materials that meet standard industry safety and performance requirements.
- It is designed to comply with applicable electrical regulations and is suitable for use in regulated industrial and commercial environments.
Where It Works Best
- The NM632450 Circuit Breaker is well suited for industrial facilities, commercial buildings, and power distribution systems that require a 450 amp, three-phase breaker.
- It is often used in maintenance and replacement situations where matching electrical ratings and physical fit are important.
- Common applications include manufacturing plants, warehouses, and large commercial electrical rooms.
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.
Specifications
- Width:8.19
- Height:15.5
- Depth:4.13
- Poles:3
- Amperes:450
- A.I.C. Rating & Volts:22k @ 600VAC; 30k @ 480VAC; 42k @ 240VAC
- Type:NM
- Approx Dimensions:8.19"W x 15.50"L x 4.13"D
- Additional Notes:40°C, Bolt-On, Thermal Magnetic, Molded Case Circuit Breaker. Includes Load-Side Lug 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
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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).