Siemens E23S100 100A 3-Pole 240 V Circuit Breaker

The Siemens E23S100 is a purpose-built three-pole circuit breaker designed for robust protection in three-phase electrical systems. With a 100 A current rating and a 240 V standard, this breaker provides reliable, coordinated interruption across all three live conductors, helping to safeguard heavy-duty equipment and electrical panels from overloads and faults.

Who benefits from the Siemens E23S100?

• Commercial and light industrial installations that rely on three-phase power
• Panelboards and distribution centers that require a dedicated main or feeder protection solution
• Systems with motors, conveyors, compressors, or other high-demand equipment that need consistent leg-to-leg protection

Why this 100 A, 3-Pole, 240 V breaker stands out

• Exact fit for Siemens panels and compatible distribution setups, ensuring smooth integration with existing equipment
• Three-pole design delivers synchronized protection for all three hot legs, reducing the risk of dangerous, unbalanced faults
• A solid 100 A rating makes it suitable for high-current feeders and demanding loads without frequent nuisance trips
• Simple identification: part number E23S100 helps with precise replacements and streamlined maintenance

Practical applications and use cases

Use the Siemens E23S100 as a main disconnect or a feeder breaker in a three-phase distribution panel. It’s well-suited for protecting large motors, HVAC equipment, pumps, and other heavy electrical loads that require reliable, leg-synchronous shutdown across all phases in the event of overload or short circuit.

What to know before installation

• Ensure compatibility with your Siemens panel or distribution equipment and confirm the mounting and terminal configuration
• Install by a licensed electrician and follow all local electrical codes and safety standards
• Verify that the circuit design and wiring respect the 240 V system rating and the 100 A current capacity

Specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 240 V
• Part number: E23S100

Engineered for reliability and compatibility, the Siemens E23S100 100A 3-Pole 240 V Circuit Breaker delivers dependable protection for three-phase systems, helping you maintain safe, uninterrupted operation of essential equipment.