Siemens | CE3B040 | Circuit Breaker | 40A | 3-Pole | 600V | 100kA | Bolt-On

Meet the Siemens CE3B040 circuit breaker—a purpose-built 3-pole protection device designed for demanding industrial panels. With a 40A rating, 600V operating voltage, and a robust 100kA interrupting capacity, this bolt-on breaker delivers dependable overcurrent protection for three-phase circuits while staying securely fastened in place.

Key specifications

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 600V
• Interrupting capacity: 100kA
• Mounting: Bolt-On
• Part reference: CE3B040

Ideal use cases

• Maintenance on existing Siemens or compatible 3-phase electrical systems
• Retrofit projects where the 3-pole, 600V, 40A specification matches the panel design
• Replacement scenarios in industrial panels requiring a precise CE3B040 part

What makes it stand out

• Exact spec alignment: 3-pole configuration ensures balanced protection across all phases for reliable operation
• High fault-current capability: 100kA interrupting rating provides robust protection against surge and fault conditions
• Secure, durable mounting: Bolt-On design enables solid, vibration-resistant installation in demanding environments
• Clear part reference for compatibility: The CE3B040 designation is the best guide when confirming fit with your equipment

Installation and compatibility notes

Before ordering, confirm that the application requires a 40A, 3-Pole, 600V bolt-on breaker with a 100kA interrupt rating. The part number CE3B040 serves as the primary reference for compatibility with matching Siemens hardware and compatible panels. This ensures seamless replacement, retrofit, or maintenance without surprises in fit or performance.

Whether you’re upgrading a legacy panel, performing routine maintenance, or executing a planned retrofit, the Siemens CE3B040 circuit breaker offers precise specifications, reliable protection, and a straightforward bolt-on installation path—backed by Siemens reliability for industrial environments.