Siemens | LMXD63B800L | Circuit Breaker | 800A | 3-Pole | 600V

Siemens LMXD63B800L is a rugged, industrial-grade circuit breaker designed to protect heavy-load, 3-phase power systems. With an 800A rating, a 3-pole configuration, and a 600V operating range, this unit delivers reliable interruption and long-term protection in demanding environments.

• Exact-fit maintenance, retrofit, and replacement: Built to match precise specs when upgrading or replacing existing gear in Siemens-compatible panels and feeders.
• Key specs at a glance: Amperage: 800A; Poles: 3-Pole; Voltage: 600V; Model: LMXD63B800L; Brand: Siemens.
• Why it matters: The 800A, 3-pole, 600V configuration supports robust protection for large three-phase circuits, helping prevent damage from overloads and short circuits while enabling safe isolation for service work.
• Ideal use cases: Replacing a failed three-phase breaker in industrial equipment, retrofitting existing power distribution with higher capacity, or standing up a new Siemens-compatible protection scheme for mechanical rooms, data centers, or manufacturing floors.
• Buying and installation tips: Before ordering, verify the exact part number (LMXD63B800L) corresponds to your panel and ratings. Confirm mounting style and bus compatibility with the existing distribution equipment, and consult a qualified electrician for proper installation and commissioning.

Practical note: The part number is the best reference for compatibility; cross-check against manufacturer documentation to ensure a seamless fit and safe operation.