APC 0M-PMMCB406 L-Frame LSI Circuit Breaker, 400A, 80% Rated, 65KA, 240V

Deliver reliable, high-capacity protection where uptime matters most. The APC by Schneider Electric 0M-PMMCB406 L-Frame LSI circuit breaker is engineered to protect critical security, surveillance and monitoring systems with robust fault interruption and selective coordination. Rated at 400A and designed for 80% continuous loading, this 240V breaker provides the capacity needed for modern data centers, network rooms and security power distribution panels.

With a 65kA interrupting rating, the breaker minimizes risk from short-circuit events and helps reduce equipment damage and operational interruptions. The L-Frame LSI trip profile enables precise long-time, short-time and instantaneous protection, supporting coordinated protection strategies across panels and UPS-fed systems. As an APC by Schneider Electric product, it integrates easily into existing switchgear and power management solutions, simplifying installations and maintenance.

Ideal for IT, physical security and surveillance deployments, the 0M-PMMCB406 protects cameras, DVR/NVR systems, access control devices and networking equipment. Specify this breaker to strengthen power resilience and compliance in mission-critical environments—order now or consult your APC representative for system integration guidance.

• Robust protection for critical systems: high 65kA interrupting rating reduces downtime and safeguards security, surveillance, and monitoring equipment.
• High-capacity performance: 400A frame with 80% continuous rating supports heavy loads and reliable power distribution for data centers and network closets.
• Precise selective coordination: L-Frame LSI trip characteristics enable dependable long/short/instant protection for coordinated panel-level protection.
• Simplifies compliance and maintenance: ANSI/IEC-grade construction and clear ratings help meet electrical code requirements and ease serviceability.
• Scalable infrastructure support: built for integration with UPS, PDUs, and switchgear to protect IT, physical security, and telecommunications installations.