Siemens | CJ2B175 | Circuit Breaker | 175A | 2-Pole | 240V | Bolt-On

Protect your 240V circuits with confidence using the Siemens CJ2B175 circuit breaker. This 175-amp, 2-pole bolt-on unit is engineered for durability and precise electrical protection in compatible Siemens panels. Identified by the CJ2B175 part number, it’s purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

• Exact specifications for reliable protection: 175A capacity, 2-pole design, 240V operation to safeguard a two-hot-wire circuit.
• Bolt-on mounting: A secure, straightforward installation method in compatible CJ-series panels, designed to streamline service and reduce installation time.
• Clear compatibility reference: CJ2B175 is the best reference for matching breakers to your Siemens panel and ensuring proper fit and ratings.
• Versatile use cases: Ideal for panel maintenance, system retrofits, or replacing aging breakers in 240V infrastructure within industrial, commercial, or heavy-duty applications.

How this breaker helps you:

• Targeted protection for high-current circuits: The 175A rating is suited for protecting feeders and branch circuits with substantial load demands, helping to prevent wiring damage and fire risk.
• Ease of replacement in existing Siemens installations: With bolt-on mounting and CJ-series compatibility, it integrates smoothly into panels designed for CJ breakers, minimizing downtime during service.
• Long-term reliability: Built to meet Siemens engineering standards, delivering predictable trip performance and solid electrical integrity under normal operating conditions.

Important compatibility notes: Always confirm fit and ratings before ordering. Use the CJ2B175 as the primary reference to ensure the unit matches your panel’s requirements and the protected circuit’s needs. When planning a replacement or retrofit, verify that your panel supports CJ bolt-on breakers and that a 175A, 2-pole, 240V device is appropriate for the circuit you’re protecting.