Siemens EF3B02002 20A 3-Pole 600 V Circuit Breaker

Meet the Siemens EF3B02002 20A 3-Pole 600 V Circuit Breaker — a purpose-built solution for reliable three‑phase protection in commercial and light industrial panels. Crafted by Siemens, this device is designed to keep critical equipment safe while delivering predictable, dependable performance in demanding environments.

Engineered for three‑phase systems, the EF3B02002 carries a 20 A current rating per pole and a 600 V maximum voltage rating. This combination supports a wide range of industrial loads, from motors and pumps to conveyors and HVAC equipment, while helping minimize nuisance trips and protect wiring and components from overloads.

Key advantages

• Three-pole protection ensures all three phases trip together, safeguarding balanced three‑phase circuits.
• 20 A per pole rating provides precise protection for motors and other heavy loads without compromising performance.
• 600 V maximum rating makes it suitable for a broad spectrum of industrial and commercial applications.
• Part Number EF3B02002 guarantees exact fit and compatibility within Siemens EF-series panels and installations.
• Solid Siemens engineering backed by a legacy of reliability in electrical protection devices.

Ideal use scenarios

Perfect for three-phase distribution in electrical rooms and panel boards: protect motor-driven equipment such as compressors, pumps, and conveyors; safeguard three-phase lighting and HVAC circuits; and serve as a dependable component in industrial control panels where consistent overcurrent protection is critical.

Practical installation guidance

• Verify that your panel accepts EF-series breakers to ensure proper mounting and electrical fit.
• Install in accordance with local electrical codes and Siemens installation guidelines for safe, compliant operation.
• Keep spare units on hand for quick replacement to minimize downtime in critical systems.