Siemens | E43B035 | Circuit Breaker | 3-Pole

The Siemens E43B035 3-Pole Circuit Breaker is a purpose-built protection device for three-phase electrical systems. Designed for maintenance, retrofit, and replacement projects, this genuine Siemens part helps you restore reliable protection quickly and with confidence when the specs match your equipment.

• 3-Pole protection for complete phase coverage — ideal for 3-phase distributions and motor circuits, ensuring simultaneous safety shutoff across all three lines.
• Genuine Siemens engineering — crafted to slot into compatible Siemens panels and accessories, reducing fit risk and simplifying installation.
• Clear compatibility reference — part number E43B035 serves as the most reliable match reference for your equipment and maintenance records.
• Versatile for maintenance, retrofit, and replacement — a practical, long-lasting solution when updating or restoring protection in industrial or commercial systems.
• Important compatibility note — always confirm fit and ratings before ordering by reviewing your panel data sheet, existing breaker specifications, and the device label to ensure matching voltage, current, and trip characteristics.

Ideal use cases

• Industrial control panels and distribution boards with 3-phase loads
• Retrofits that require Siemens-compatible protection to meet current safety standards
• Spare parts inventory for Siemens-based equipment to minimize downtime

Choosing a genuine Siemens E43B035 3-Pole Circuit Breaker means dependable performance and consistent protection aligned with your existing system. By prioritizing compatibility and accurate ratings, you reduce the risk of misfits and service interruptions while keeping maintenance workflows straightforward.

Practical installation notes:

• Verify that the breaker’s pole count, mounting style, and terminal configuration match your panel before installation
• Cross-check the panel’s data sheet and the current breaker’s specifications to ensure voltage, current, and trip characteristics align
• Inspect the unit for new, undamaged condition and store in a clean, dry environment until ready to install