Siemens QJ22B175 - 175A, Molded Case Circuit Breaker

Introducing the Siemens QJ22B175 — a 175A molded case circuit breaker built for serious overcurrent protection in demanding electrical environments. Designed to integrate seamlessly into panelboards, switchboards, control panels, and OEM equipment, this MCCB provides dependable safety and performance for distribution panels and motor control centers.

• Current rating: 175A — precise protection for mid-to-large distribution circuits.
• Breaker type: Molded Case Circuit Breaker — robust insulation and a compact form factor suitable for standard enclosures.
• Optimal applications: Panelboards, switchboards, control panels, and OEM equipment where reliable protection and safe operation are critical.
• Ideal for: Industrial facilities, commercial installations, and OEM projects requiring consistent, fail-safe overcurrent protection.
• Reliability in operation: Quick interruption on fault conditions minimizes equipment damage and downtime.

Practical use cases to consider:

• Motor control centers in manufacturing lines that rely on dependable protection for motors and feeders.
• Main distribution panels in commercial buildings where stable, predictable protection is essential.
• OEM equipment builds that demand a standardized, trusted 175A MCCB to meet design and safety specifications.

Why choose this Siemens MCCB for your project? It delivers a consistent, trusted protection solution that aligns with Siemens electrical systems, simplifying maintenance, inventory, and compatibility across panels and control equipment. The QJ22B175 is a clear choice when you need a robust, reliable 175A molded case breaker that supports scalable protection in distribution panels and motor control centers.

Technical snapshot:

• Current rating: 175A
• Breaker type: Molded Case Circuit Breaker
• Applications: Panelboards, switchboards, control panels, OEM equipment