NEF431030R - 30Amp Circuit Breaker

NEF431030R - 30Amp Circuit Breaker

The NEF431030R circuit breaker is a dependable 3-pole, 30 amp molded case circuit breaker engineered to protect commercial and industrial electrical systems from overloads and short circuits. Designed with a bolt-on mounting style for a secure, stable connection, this thermal magnetic breaker delivers consistent performance in demanding environments. Its rotary handle provides clear on/off indication and smooth manual operation, making it especially practical for maintenance applications and panel upgrades. With high interrupting capacity ratings of 14kA at 480VAC and 18kA at 240VAC, the NEF431030R offers the level of circuit protection facility managers, contractors, and maintenance professionals rely on to keep equipment and operations running safely.

Key Features and Benefits

• Thermal Magnetic Protection: Dual protection technology combines thermal overload protection with instantaneous magnetic short-circuit response for accurate, reliable tripping.
• 3-Pole, 30 Amp Rating: Ideal for three-phase power distribution systems requiring 30A overcurrent protection.
• Bolt-On Design: Ensures a tight, secure connection to panelboards, reducing the risk of loose connections and downtime.
• High Interrupting Capacity: Rated at 14kA @ 480VAC and 18kA @ 240VAC for dependable fault interruption.
• Rotary Handle Operation: Provides straightforward manual control and clear breaker position visibility during service or inspection.
• Molded Case Construction: Built for long-term durability in commercial and industrial environments.

Technical Specifications

• Model: NEF431030R
  
• Poles: 3
  
• Amperage: 30A
  
• Voltage Rating: Up to 480VAC
  
• Interrupting Capacity (A.I.C.): 14kA @ 480VAC; 18kA @ 240VAC
  
• Frame Type: NEF
  
• Mounting Style: Bolt-On
  
• Trip Type: Thermal Magnetic
  
• Handle Type: Rotary
  
• Dimensions: 4.13" W x 6.19" L x 3.38" D
  

Material Compliance and Certifications

• The NEF431030R features a high-quality molded case housing designed to withstand heat and environmental stress common in electrical rooms and industrial settings.
• Manufactured to meet established industry safety and performance standards, this breaker is suitable for use in commercial and industrial power distribution systems where code compliance and dependable circuit protection are essential.

Where It Works Best

• This 30 amp 3-pole bolt-on circuit breaker is well-suited for maintaining and upgrading existing three-phase electrical distribution systems.
• It performs reliably in commercial buildings, manufacturing facilities, warehouses, and other industrial applications where consistent overcurrent protection is critical.
• Whether used for equipment protection, panelboard retrofits, or routine maintenance replacements, the NEF431030R delivers the performance and safety professionals expect from a molded case circuit breaker in demanding power environments.