Siemens 5SN1NG20A - 20A, 1-Pole, Circuit Breaker

The Siemens 5SN1NG20A is a dependable 20A, 1-pole circuit breaker designed to deliver precise overcurrent protection in demanding electrical systems. Built to perform in panelboards, switchboards, and control panels, this single-pole device helps you safeguard circuits and connected equipment while maintaining smooth, uninterrupted operation in a variety of environments.

Why this 5SN1NG20A stands out

• Exact 20A protection tuned to prevent electrical faults without unnecessary trips on standard single-phase circuits.
• 1-pole configuration offers flexible deployment for individual branch circuits, making it a practical choice for distribution panels and motor control centers.
• Solid Siemens engineering ensures consistent trip characteristics, reliable performance, and long-term durability in both industrial and commercial settings.
• Versatile installation footprint suited for panelboards, switchboards, and control panels, streamlining integration into existing electrical assemblies.
• OEM-friendly option ideal for custom builds or equipment manufacturers who require trusted protection within their distribution and control systems.

Ideal use cases

• Protect single-phase branch circuits in manufacturing lines, ensuring equipment uptime and reducing the risk of wiring damage.
• Incorporate into control panels for machines, conveyors, and process equipment where dependable overcurrent protection is essential.
• Specification-aligned for OEM applications, enabling reliable integration into custom electrical assemblies and distribution schemes.

Specifications at a glance

• Current rating: 20A
• Poles: 1-Pole
• Breaker type: Circuit Breaker
• Applications: industrial, commercial, and OEM environments requiring dependable overcurrent protection in distribution panels and motor control centers

Choosing the Siemens 5SN1NG20A means prioritizing safety, reliability, and compatibility within your electrical distribution strategy. It pairs seamlessly with other Siemens components and panels, helping you maintain consistent protection across your critical equipment. For engineers and technicians focused on uptime, this 20A, 1-pole breaker delivers straightforward, effective safeguarding for single-line circuits and control panel installations.