QB2430-20 - 20 Amp Circuit Breaker

QB2430-20 - 20 Amp Circuit Breaker

The QB2430-20 20 amp circuit breaker is designed for professionals who need dependable circuit protection without guesswork. Built for 240 VAC electrical systems, this 3-pole, bolt-on breaker is well suited for maintaining or upgrading commercial and industrial power distribution equipment. It delivers consistent protection against overloads and short circuits, helping safeguard wiring, connected equipment, and overall system integrity. With a 10 kA interrupting rating, the QB2430-20 is capable of safely clearing fault currents commonly found in three-phase applications. Its form factor and mounting style are intended to match existing panel configurations, making it a practical solution when replacing worn or failed breakers while keeping installations aligned with code requirements and operational expectations.

Key Features and Benefits

• 3-Pole Protection: Designed for three-phase circuits, offering coordinated protection across all phases to help minimize downtime caused by electrical faults.
• 20 Amp Rating: A suitable choice for general-purpose branch circuits serving commercial facilities, control equipment, and light industrial loads.
• Bolt-On Mounting Design: Provides a secure, stable connection in compatible panels, reducing the risk of loose contacts over time.
• 10 kA Interrupting Capacity at 240 VAC: Rated to safely interrupt fault currents within its specified limits, supporting system safety and reliability.
• Built for Daily Use: Designed to perform consistently in routine service, maintenance, and retrofit applications.

Technical Specifications

• Poles: 3
• Amperage: 20 A
• Voltage Rating: 240 VAC
• Interrupt Rating: 10 kA AIC
• Frame Type: QB
• Mounting Style: Bolt-on
• Approximate Weight: 3.25 lbs
• Dimensions:
  • Width: 2.25 in
  • Length: 4.81 in
  • Depth: 2.50 in

Material Compliance and Certifications

• This circuit breaker is manufactured and tested to meet applicable UL and CSA safety standards for 240 VAC electrical systems with a 10 kA interrupting rating.
• Components are selected to support compliance with North American electrical codes, helping ensure acceptance during inspections and long-term use in regulated environments.

Where It Works Best

• Replacement of existing breakers in commercial switchboards and industrial control panels
• Scheduled maintenance or corrective service in three-phase electrical systems
• Upgrading or refurbishing legacy installations where matching amperage, voltage, and mounting style is essential
• Facilities that require dependable circuit protection without altering established panel layouts