Siemens NGB3B090 - 90A, 3-Pole, Circuit Breaker

Siemens NGB3B090 - 90A, 3-Pole, Circuit Breaker is engineered to deliver dependable overcurrent protection for three-phase electrical systems, built to perform under demanding industrial and commercial conditions.

Designed for flexible integration in panelboards, switchboards, and control panels, this 3-pole breaker supports robust protection across distribution and motor control environments. It fosters safe operation by interrupting fault currents promptly, helping minimize downtime and equipment damage in critical applications.

Key specifications at a glance

• Current rating: 90A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Ideal applications and use cases

• Industrial environments requiring reliable three-phase protection for equipment, machinery, and process lines
• Commercial power distribution where safe, quick fault interruption is essential
• OEM configurations in control panels, panelboards, and switchgear
• Motor control centers and distribution panels where consistent overcurrent protection is critical

Why this Siemens solution stands out

The NGB3B090 provides a straightforward, time-tested approach to safeguarding electrical systems. With a clear focus on dependable overcurrent protection and safe operation in 3-phase setups, it integrates smoothly with Siemens' ecosystem and existing protection strategies. For facilities looking to standardize on a trusted, high-performance breaker that reliably handles peak demand events, this 90A, 3-Pole model offers a practical, durable option.