Siemens | HQJ3B200HL | Circuit Breaker | 200A | 3-Pole | 240V | Bolt-On

Discover the Siemens HQJ3B200HL Circuit Breaker — a robust, OEM-aligned solution for protecting three-phase electrical systems. Rated at 200A, this 3-pole unit is built for 240V panels and uses a bolt-on mounting to provide a tight, vibration-resistant connection in demanding environments. Whether you are performing maintenance, a retrofit, or a full replacement, this breaker delivers reliable interruption protection to keep equipment and personnel safe.

• Amperage: 200A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Part reference: HQJ3B200HL

Why this Siemens breaker stands out:

• OEM-compatible design ensures seamless replacement in existing Siemens panels without adapters or modifications.
• Bolt-on mounting delivers a secure, serviceable connection that resists vibration and arcing in busy electrical rooms.
• Three-pole protection ensures balanced current handling for 3-phase equipment, reducing risk of neutral overcurrents and mishandling during motor starts.

Ideal use cases:

• Maintenance and service upgrades in industrial facilities, commercial buildings, and data centers.
• Retrofits where existing hardware requires exact spec matching to maintain panel coordination and labeling.
• Replacement for failed breakers in 240V 3-phase systems, including motors, compressors, and processing equipment.

Practical tips for installation and compatibility:

• Always confirm fit and ratings before ordering — part number HQJ3B200HL is the best reference for compatibility.
• We recommend verifying panel labeling and bus bar arrangement to ensure proper bolt torque and alignment with manufacturer guidelines.
• Follow standard electrical safety practices during replacement work; lockout/tagout procedures apply.

With Siemens' reputation for reliability and your system's needs in mind, the HQJ3B200HL bolt-on circuit breaker is a precise, long-term solution for protecting 3-phase 240V circuits at 200A. It’s the choice for professionals who demand consistency, safety, and minimal downtime in critical power environments.