
Siemens B340 40-Amp 3-Pole 240V Bolt-in Circuit Breaker
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Powerful Protection: Siemens 40A Double-Pole Circuit Breaker
Introducing the Siemens 40A Double-Pole Circuit Breaker - a robust solution for safeguarding your electrical system.
- Current Rating: 40 Amps
- Voltage: 120/240 Volts
- Interrupting Capacity: 10,000 Amps (10kA)
This circuit breaker is designed to provide reliable protection for both 120V and 240V circuits. With an interrupting capacity of 10,000 Amps, it ensures swift interruption of current flow during overloads or short circuits, enhancing the safety of your electrical setup.
Trust in Siemens' reputation for quality and dependability. Elevate your electrical protection with this 40A double-pole circuit breaker, ensuring a secure and efficient power distribution for your home or workspace.

Siemens B340 40-Amp 3-Pole 240V Bolt-in Circuit Breaker
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Orders placed before 12:00 PM (PST) ship the same day or within 2 business days, with tracking provided within 72 hours. Learn more in our Shipping Policy.
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Returns & Exchanges
Non-defective items may be returned within 30 days with a 30% restocking fee. Shipping costs are non-refundable, and return shipping is the customer’s responsibility. See our full Return Policy.
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Cancellations
Orders can be canceled before shipment; if already shipped, standard return fees apply. Learn more about Cancellations.
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Damaged Shipments & Shortages
Report any shortages, damages, or incorrect items within 5 business days of delivery. For assistance, visit our Claims Policy.
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