Siemens | QJ3B200HA01 | Circuit Breaker | 3-Pole | 240V

Introducing the Siemens QJ3B200HA01 circuit breaker—a purpose-built protection device for 240V electrical systems. This 3-pole model is engineered for durability in demanding environments, making it a trusted choice for maintenance, retrofit, and replacement projects where precise compatibility matters.

Key details at a glance

• Poles: 3-Pole
• Voltage: 240V
• Part number: QJ3B200HA01
• Recommended use: maintenance, retrofit, and replacement where matching specs are required
• Compatibility note: Confirm fit and ratings before ordering; the part number is the best reference for compatibility

Why this Siemens breaker stands out

Designed to protect multi-phase circuits with a single, reliable device, the QJ3B200HA01 delivers consistent performance across three concurrent lines. Its 240V rating aligns with common industrial and commercial distribution setups, helping reduce downtime and simplify panel maintenance. By choosing a Siemens part number as your compatibility reference, you minimize the guesswork during replacements and retrofits, ensuring your protection device fits the exact panel interface and delivers expected response under fault conditions.

Ideal use cases

• Maintenance: Replace aging or worn breakers in 3-phase, 240V panels to restore protected circuits with minimal disruption.
• Retrofit: Upgrade legacy systems by swapping in a modern, reliable 3-pole solution that maintains system protection integrity.
• Replacement: Keep spares on hand for quick, precise swapping when a circuit breaker trips or fails.

Practical guidance for a smooth fit

To ensure seamless integration, always verify that the panel or distribution board accepts the QJ3B200HA01 by cross-referencing the exact part number. This practice reduces the risk of mismatches in pole configuration, mounting style, or electrical ratings and helps you achieve fast, hassle-free replacement with minimal panel downtime.