Siemens | EH3B110 | Circuit Breaker | 3-Pole | 480V

When your 480V three-phase distribution requires dependable protection, the Siemens EH3B110 3-Pole Circuit Breaker delivers precise, trustworthy performance. This part is identified by EH3B110 and is designed for maintenance, retrofit, and replacement tasks where exact specifications matter.

• Part number: EH3B110
• Poles: 3-Pole
• Voltage rating: 480V
• Best use: Maintenance, retrofit, and replacement where matching specs are required
• Compatibility note: Confirm fit and ratings before ordering; the EH3B110 part number is the most reliable reference for compatibility

A correct 3-pole 480V breaker ensures synchronized protection across all three phases, minimizing risk from unbalanced loads and unintended trips. The EH3B110 is designed to slot into Siemens-compatible interfaces and trip characteristics, helping you maintain safety and continuity in critical systems.

• Maintenance: replace worn or outdated breakers with the exact EH3B110 to restore reliable protection.
• Retrofit: upgrade equipment or panels to 480V service while preserving proper protective coordination.
• Replacement: maintain system integrity by restoring the original protection scheme with the correct part reference.

Ideal for facility engineers, maintenance technicians, and procurement teams responsible for reliability in industrial or commercial environments that run on 480V three-phase power.

Note: Before ordering, verify fit and ratings in your equipment documentation. The EH3B110 is the clearest compatibility reference; a mismatch can affect protection and compliance. Keeping a spare EH3B110 on hand helps minimize downtime during maintenance windows.