NJJ232300 - 300Amp Circuit Breaker
- 300 Amp
- 22k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
NJJ232300 - 300Amp Circuit Breaker Description
NJJ232300 - 300Amp Circuit Breaker
The NJJ232300 300 amp circuit breaker is a practical choice for protecting electrical systems that require dependable, high-amp performance. Built on the NJJ frame, this breaker uses a bolt-on design and a thermal magnetic trip to help guard against overloads and short circuits. With an interrupting rating of 22kA at 240VAC, it is commonly used in commercial and industrial settings where equipment protection and system safety cannot be left to chance. This model is often selected for maintaining or servicing existing installations where compatibility and proven performance matter.
Key Features and Benefits
- 300 Amp rating: Helps manage higher electrical loads without nuisance tripping
- Thermal magnetic operation: Responds to both long-term overloads and sudden fault conditions
- Bolt-on mounting: Provides a secure connection that stays in place over time
- Load-side lug terminals included: Making wiring and replacement work more straightforward
Technical Specifications
- Amperage: 300 Amp
- Poles: 2
- Frame Type: NJJ
- Interrupting Capacity: 22kA @ 240VAC
- Breaker Type: Thermal Magnetic, Molded Case
- Operating Temperature: 40°C
-
Dimensions:
- Width: 8.25"
- Length: 10.13"
- Depth: 3.88"
- Weight: 23 lbs
- Terminals: Load-side lug terminals
Material Compliance and Certifications
- Industry Standards: This circuit breaker is manufactured in accordance with established electrical industry standards.
- UL and CSA Certified: Helping confirm that it meets recognized safety and performance requirements for electrical protection devices.
Where It Works Best
- The NJJ232300 is commonly used in service, maintenance, and replacement applications, especially in older electrical systems that were originally designed around NJJ-frame breakers. It’s a solid fit for commercial buildings, industrial equipment, and facilities where reliable protection is more important than cosmetic updates.
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:8.25
- Height:10.13
- Depth:3.88
- Poles:2
- Amperes:300
- A.I.C. Rating & Volts:22k @ 240VAC
- Type:NJJ
- Approx Dimensions:8.25"W x 10.13"L x 3.88"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
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).