Leviton LM225-T Main Circuit Breaker 225A, Thermal Magnetic

Protect critical infrastructure with the Leviton LM225-T main circuit breaker — engineered to keep load centers and connected security, surveillance and monitoring equipment safe and operational. This Leviton 225A thermal-magnetic main breaker provides both rapid short-circuit interruption and dependable overload protection, supporting 120/240V systems and a 22kA interrupt rating to reduce risk to sensitive electronics and cabling. Built specifically for Leviton load centers, the LM225-T simplifies installation, minimizes inventory complexity and ensures a consistent, professional finish across panels. The thermal-magnetic trip delivers the dual benefit of fast fault clearing for short circuits and stable response to sustained overloads, protecting UPS, network, and CCTV systems from downtime. Backed by a 10-year limited warranty and industry certifications (UL, CSA, RoHS), it’s a smart choice for electricians, integrators and facility managers specifying reliable power protection for security and IT environments. Equip your panel with a main breaker designed for modern low-voltage and security applications — install the Leviton LM225-T in your next load center deployment for robust, long-term protection.

• Delivers dependable main-line protection so security, surveillance and monitoring systems stay online and protected
• 225A rating with 120/240V support provides capacity and flexibility for growing load centers
• 22kA interrupting rating reduces fire and equipment-damage risk during short circuits
• Thermal-magnetic trip technology combines fast short-circuit response with reliable overload protection
• Designed for seamless fit in Leviton load centers for quick installation and consistent rack appearance