Siemens | E42B110 | Circuit Breaker | 110A | 2-Pole | 480V

Introducing the Siemens E42B110 Circuit Breaker—precise, reliable protection for 480-volt systems requiring 110A, two-pole disconnects. Built for maintenance, retrofit, and replacement projects, this breaker is designed to slot into compatible Siemens panels with matching ratings, delivering dependable performance when it matters most.

Core specifications at a glance

• Amperage: 110A
• Pole configuration: 2-Pole
• Voltage rating: 480V
• Reference: E42B110

Why choose the Siemens E42B110 for your high-voltage distribution

• Exact compatibility with Siemens distribution arrays that require a 2-pole, 480V circuit breaker, reducing fit problems during retrofit.
• Single-reference identification helps you verify compatibility quickly—use the part number E42B110 as your definitive reference when confirming ordering details.
• 110A protection for robust line-side and branch circuits, providing reliable interruption during overloads and short-circuit events to safeguard equipment and personnel.

Practical use cases

• Maintenance replacements in industrial facilities where 480V panels operate essential machinery and you need an exact 110A, 2-pole breaker.
• Retrofits updating older distribution boards to current Siemens components without changing panel hardware.
• Spare parts strategy for critical lines—keep a compatible 110A, 2-pole 480V breaker on hand to minimize downtime.

Installation and compatibility considerations

• Before ordering, confirm fit and ratings against your panel’s specifications. The part number E42B110 is the most reliable reference for compatibility.
• Ensure proper electrical clearance and follow local electrical codes during replacement or retrofit work.