Leviton LM150-T Main Circuit Breaker 150A, Thermal Magnetic

Keep security, surveillance and building systems online with the Leviton LM150-T main circuit breaker. This 150A thermal-magnetic circuit breaker delivers dependable overload and short-circuit protection for commercial and residential load centers, helping prevent nuisance trips while protecting connected monitoring and network equipment. Rated for 120/240V service with a 22kA interrupting capacity, the LM150-T handles high-fault conditions and supports safe power distribution for security panels, surveillance NVRs, access control systems and IT closets.

Engineered for use in Leviton load centers, the LM150-T installs quickly and maintains a cohesive, professional appearance with indoor white powder-coat finishes. The thermal-magnetic trip curve provides predictable response to overloads and instantaneous protection for short circuits, reducing downtime and equipment replacement costs. Backed by a 10-year limited warranty and UL/CSA listings, it’s a reliable choice for contractors and facility managers specifying robust power protection. Specify the Leviton LM150-T for your next panel upgrade or security system installation to ensure resilient, code-compliant power distribution.

• Reliable protection for critical infrastructure: thermal-magnetic trip technology safeguards equipment and avoids costly downtime for security, surveillance, and monitoring systems.
• High-capacity main feed: 150A rating and 120/240V compatibility support expanded electrical loads and future upgrades without swapping panels.
• Robust fault handling: 22kA interrupting rating reduces risk from short circuits, protecting downstream devices and sensitive electronics.
• Seamless integration: Designed specifically for Leviton load centers for fast installation and a clean, professional appearance on job sites.
• Long-term confidence: Backed by a 10-year limited warranty for predictable lifecycle planning and lower total cost of ownership.