Siemens | EE1B040 | Circuit Breaker | 40A | 1-Pole | 120V | Bolt-On

Experience dependable protection with the Siemens EE1B040 Circuit Breaker — a genuine Siemens part designed for 120V electrical panels that require a 40A, single-pole bolt-on solution. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker delivers consistent performance and a secure, mechanical connection in your panel.

• Amperage: 40A
• Poles: 1-Pole
• Voltage: 120V
• Mounting: Bolt-On

Why choose the EE1B040? Its dedicated design aligns with Siemens panels that require a 1-pole, 40-amp, 120-volt bolt-on breaker. This specificity helps ensure reliable tripping behavior and proper fit within the panel’s bus and mounting point, reducing the guesswork often involved in replacement projects. The part number EE1B040 is the most reliable reference for compatibility, so verify it against your panel requirements before ordering.

Ideal use cases include:

• Maintenance: replace a failed or worn breaker in an existing Siemens panel to restore protection quickly.
• Retrofit: upgrade circuits to meet updated loads or code requirements with a matching 40A, 1-pole, 120V bolt-on breaker.
• Replacement: swap in a genuine EE1B040 when your panel specifies this exact part for continued compatibility.

Practical tips for a smooth installation:

• Always de-energize the panel and follow all safety protocols before replacement.
• Confirm the panel model and slot configuration align with a 1-pole, 40A, 120V bolt-on breaker.
• Use the EE1B040 part number as your primary compatibility check to avoid mismatches.
• If you’re unsure about installation or panel compatibility, consult a licensed electrician to ensure proper mounting torque and safe operation.