Siemens | 3RV2021-4DA10 | Circuit Breaker | 25A | 3-Pole | 690V

Siemens 3RV2021-4DA10 is a purpose-built circuit breaker engineered for robust overcurrent protection in three-phase electrical systems. With a 25A rating and a 3-pole configuration, it provides precise, reliable shutdown in industrial power distribution, motor control centers, and retrofit projects that demand exact Siemens specifications.

Why this exact part matters

• Exact part reference for compatibility: The part number 3RV2021-4DA10 is the best reference when matching components for Siemens panels and associated equipment. This minimizes downtime and integration issues during maintenance or upgrades.
• Three-phase protection at up to 690V: Designed to safeguard distribution and control circuits in higher-voltage environments, helping prevent equipment damage from overloads or short circuits.
• 25A rating for balanced loads: Ideal for moderate current circuits where precise coordination with upstream protection and downstream devices is essential.
• Maintenance, retrofit, and replacement ready: A dependable drop-in solution for updating aging gear, expanding existing installations, or restoring original performance after component wear.

Designed for practical, real-world use, this Siemens circuit breaker excels in scenarios like refreshing a legacy panel, upgrading a motor control circuit, or expanding a distribution board to handle a three-phase load more safely. Its 3-pole construction ensures consistent protection across all phases, reducing the risk of phase imbalances in demanding industrial environments.

Key specifications at a glance

• Amperage: 25A
• Poles: 3-Pole
• Voltage: 690V

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring the breaker aligns with your Siemens gear and system requirements.