Siemens BQ3B040L, 40A, 3P, 240V, Lug-In/Lug-Out, Circuit Breaker

Siemens BQ3B040L: 40 Amp, 3-Pole, Thermal Magnetic Circuit Breaker, 240V, 10kA, bolt-on with lug-in/lug-out connections, UL listed, CSA certified.

• Manufacturer: Siemens
• Brand: Siemens
• Product Range: BQ (for Type BQ loadcenters and molded case applications)
• UPC: 783643237261
• Model Number: BQ3B040L
• Breaker Type: Thermal Magnetic Circuit Breaker
• Amperage: 40 Amps
• Poles: 3-Pole
• Voltage: 240 Volts AC
• Frequency: 60 Hz
• Interrupt Rating: 10 kAIC
• Mounting Mode: Bolt-On
• Connections Terminals: Lug-In/Lug-Out with load side lugs included
• Wire Size (Line): #16-6 AWG Cu, #12-6 AWG Al
• Wire Size (Load): #8-6 AWG Cu, #8-4 AWG Al
• Dimensions: Height: 4 in; Width: 3 in; Depth: 3 in
• Operating Temperature: 40°C
• Certifications: UL Listed, CSA Certified
• Product weight: 1 lbs

This Siemens BQ3B040L thermal magnetic circuit breaker delivers dependable 40 Amp, 3-Pole protection for 240V circuits in Type BQ loadcenters. Designed for bolt-on installation with 10kA interrupt rating and lug-in/lug-out connections with included load side lugs, it supports residential and light commercial applications.

There is a $15 charge for delivery under $250 orders. Additional charges will be imposed by our couriers for delivery to remote areas, a surcharge may be levied to cover carriage to these areas.

Warranty Coverage

We stand behind every product we sell. Coverage depends on the condition of the item at time of purchase:

• New: 12-month warranty
• New Open Box: 10-month warranty
• Reconditioned: 90-day warranty

Warranty coverage begins on the date of delivery and covers manufacturing and functional defects under normal use. It does not cover damage from misuse, improper installation, or unauthorized repair. To make a warranty claim, contact us at support@breakersmart.com with your order number and a description of the issue.