Siemens 5SX2240-8 - 40A, Circuit Breaker

Siemens 5SX2240-8 is a 40A circuit breaker engineered for reliable overcurrent protection in demanding electrical environments. Built to defend critical systems, it helps keep distribution panels and motor control centers running smoothly by interrupting current before damage can occur. This breaker is designed for use in panelboards, switchboards, control panels, and OEM equipment. With a 40A current rating, it provides precise protection for feeders and circuits that routinely operate near capacity, making it especially suitable for industrial and commercial applications where dependable protection and safe operation are essential. Key points you’ll value:

• Current rating: 40A
• Breaker type: Circuit Breaker
• Applications: Panelboards, switchboards, control panels, and OEM equipment
• Ideal environments: Industrial, commercial, and OEM installations requiring robust overcurrent protection
• Protection focus: Safe operation in distribution panels and motor control centers

Why this matters in your system:

In factories and facilities with multiple power users, protecting feeders and motor circuits at the correct rating minimizes downtime, preserves wiring insulation, and reduces maintenance costs. The 5SX2240-8 delivers consistent performance within its 40A range, supporting reliable starts and steady operation for equipment like conveyors, pumps, and fans—without compromising safety.

Who this is for:

• Industrial facilities seeking durable, dependable overcurrent protection for distribution panels
• Commercial installations that require standardized 40A protection across control panels
• OEM manufacturers designing equipment around Siemens 5SX-series protection components

Practical guidance:

When integrating the 5SX2240-8, ensure it matches the intended panel design and current requirements. Use as part of a well-planned protection strategy for distribution panels and motor control centers, and follow established installation guidelines to maintain safe operation and long-term reliability.

Add the Siemens 5SX2240-8 to your protection lineup to safeguard critical circuits with clear, consistent 40A protection and the trusted reliability of Siemens engineering.