Siemens | CJ3B200 | Circuit Breaker | 3-Pole | Bolt-On

Meet the Siemens CJ3B200 circuit breaker—an essential three-pole bolt-on protection device designed for reliable performance in three‑phase electrical systems. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring you maintain the integrity of your protection scheme without guesswork.

• 3-Pole Bolt-On configuration: Provides secure mounting and stable operation in compatible enclosures, simplifying installation in busy panel environments.
• Model CJ3B200: The definitive reference for compatibility—use this part number to verify fit with your Siemens protection framework.
• OEM reliability for upgrades and replacements: Ideal for keeping existing systems up to date or restoring protective performance after component wear.
• Fit-and-ratings emphasis: Before ordering, confirm both physical compatibility and electrical ratings to ensure seamless integration and ongoing protection.

Where it shines

• Maintenance of current Siemens installations that require a 3-pole bolt-on breaker to match the original protection scheme.
• Retrofit projects where a precise CJ3B200‑based solution preserves system behavior while upgrading reliability and parts availability.
• New installations that need a dependable, three‑phase protection device with bolt-on mounting to streamline assembly and serviceability.

Why choose this CJ3B200 breaker? It’s defined by compatibility and reliability. By sticking with the CJ3B200 part number, you’re aligning with the correct series and form factor for Siemens panels designed around CJ3B components. This reduces guesswork, minimizes installation risk, and helps you restore protected operation quickly after a fault or routine service.

Note: Always verify fit and ratings prior to purchase to ensure optimal performance in your specific application.