Siemens | QJ22B070L | Circuit Breaker | 2-Pole | 240V | 10kA | Bolt-On

Meet the Siemens QJ22B070L Circuit Breaker—a rugged, two-pole protection solution engineered for reliability in commercial and industrial electrical panels. With a 240V rating and a 10kA interrupting capacity, this bolt-on unit is built to handle demanding duty cycles while simplifying maintenance, retrofit, and replacement projects.

Key specifications at a glance

• Poles: 2-Pole
• Voltage: 240V
• Interrupting capacity: 10kA
• Mounting: Bolt-On
• Part number: QJ22B070L

Why choose the Siemens QJ22B070L

This circuit breaker is purpose-built for installations where precise compatibility matters. The 2-pole design provides coordinated protection across both conductors, helping to safeguard downstream equipment and wiring from short circuits and overloads. The bolt-on mounting streamlines installation in panels that support this style, reducing downtime during service or upgrades.

Ideal use cases

• Maintenance or replacing an aging breaker in compatible Siemens panels
• Retrofit projects where a 2-pole, 240V, 10kA-rated unit is required
• New installations that demand a reliable, kit-compatible backup protection with easy bolt-on mounting

Compatibility and installation notes

Before ordering, confirm fit and ratings for your panel. The QJ22B070L is designed to be the best reference for compatibility—use the part number as the primary check to ensure seamless replacement or retrofit.

Practical guidance for best results

• Match the panel’s mounting type and the circuit’s voltage and interrupting capacity to avoid compatibility issues.
• As with any electrical installation, ensure the work is performed by qualified personnel following all safety standards and local regulations.
• Keep a record of the exact part number (QJ22B070L) for future maintenance or replacements to maintain system reliability.