Siemens | QJ23B200L | Circuit Breaker | 3-Pole | 240V

Siemens QJ23B200L is a 3-pole, 240V circuit breaker engineered for precise replacement in compatible electrical panels. Whether you’re performing maintenance, a retrofit, or a straightforward replacement, this component delivers the exact specifications needed to keep a three‑phase system protected and running smoothly.

Exact fit and compatibility you can trust

The QJ23B200L is identified by its part number—the most reliable reference when matching breakers to panels. Use this model in setups that require a 3-pole, 240V protection device from the Siemens QJ family. Before ordering, confirm the panel accepts QJ-series breakers and that the ratings align with your system requirements.

• Three-pole design for three-phase distribution, ideal for commercial or industrial panels.
• Nominal voltage: 240V, aligning with typical distribution applications.
• Part number: QJ23B200L—the definitive reference for compatibility.

Practical benefits in the field

With the Siemens QJ23B200L in place, you gain reliable overload and short-circuit protection for each leg of your 3-phase circuit. It supports quicker restoration after trips, reduces downtime, and simplifies future replacements by staying within the familiar QJ form factor.

Ideal use cases

• Maintenance: swap in a like-for-like unit to refresh protection without changing wiring or panel layout.
• Retrofit: upgrade or reconfigure a panel that requires QJ-series breakers for continued compatibility.
• Replacement: restore protective coverage after a trip or component failure in a 3-phase system.

How to verify fit and install safely

Always verify fit and ratings prior to purchase. The part number QJ23B200L is your best reference for compatibility with Siemens panels and other QJ-compatible installations. During installation, follow all safety protocols: power down the circuit, use appropriate PPE, and consult your panel's installation manual for torque and terminal requirements. If in doubt, consult a qualified electrician to confirm system compatibility.