Commander 40 Amp Circuit Breaker BQL340 - 40 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Commander 40 Amp Circuit Breaker BQL340 is a 3-pole, 240 V bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. The bolt-on mounting provides a rigid, vibration-resistant bus connection, helping maintain solid electrical performance even in demanding environments.

• Secure bolt-on mounting: minimizes connection movement and vibration, supporting long-term reliability in commercial and industrial panels.
• Thermal-magnetic trip unit: delivers stable, repeatable protection by combining two protection modes—thermal for overloads and magnetic for short circuits—reducing nuisance trips and improving system coordination.
• Three-pole design: protects three hot legs simultaneously in 3-phase installations, ensuring coordinated disconnection and safer shutdown across all phases.
• 40 A, 240 V: precisely rated for common branch circuits in residential, commercial, and light industrial applications, providing targeted protection without unnecessary interruptions.
• OEM-compatible: engineered to pair with matching OEM load centers and panelboards, simplifying replacement and maintaining consistent protection performance.

Technical details

• Manufacturer: Commander
• Part Number: BQL340
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for upgrading or replacing aging protection in panelboards and load centers, the BQL340 delivers precise, reliable protection for multiple circuits in a single, compact unit. It’s well suited for installations where space is at a premium and reliable, quick-response protection is essential—from homes and retail spaces to light industrial equipment rooms.

In practice, this breaker is a practical choice when you need coordinated protection across three phases in 240 V systems, along with the confidence of OEM compatibility and robust mounting. Choose the Commander 40 A BQL340 to maintain safety, minimize downtime, and keep electrical systems operating smoothly.