Square D JDL36225 - 225A, 3-Pole, Circuit Breaker

The Square D JDL36225 is a robust 225A, 3-pole circuit breaker built for demanding electrical environments. Designed to protect feeders and motors in panelboards, switchboards, and control panels, this device delivers dependable overcurrent protection where safe, reliable operation is non‑negotiable.

Why the JDL36225 stands out

• High-capacity protection. With a 225A rating, this breaker handles substantial three-phase loads common in industrial, commercial, and OEM applications without compromising safety.
• Three-pole design for true 3‑phase protection. The 3‑pole configuration ensures all phases disconnect together, reducing the risk of unbalanced faults and protecting equipment from phase-to-phase faults.
• Versatile mounting and compatibility. Engineered for seamless use in panelboards, switchboards, and control panels, the JDL36225 fits into distribution and motor control center layouts with ease.
• Rugged, reliable construction. Built to withstand the rigors of industrial settings, this circuit breaker maintains performance under demanding operating conditions and supports long-term system reliability.
• Clear focus on safety and operation. By delivering consistent overcurrent protection, it helps minimize downtime and protects both personnel and equipment in critical distribution environments.

Ideal use cases

• Industrial facilities that rely on large motors and heavy feeders in distribution panels and MCCs.
• Commercial electrical systems requiring robust, reliable protection for multi‑stage distribution networks.
• OEM equipment where a dependable, field‑proven 3‑pole breaker is essential for safe, compliant operation.
• Panelboard and switchboard upgrades that demand a trusted Square D solution for long service life and predictable performance.

How it protects your electrical system

By interrupting fault currents and isolating faulty circuits, the Square D JDL36225 minimizes damage to downstream components, reduces the risk of fire hazards, and enhances personnel safety during maintenance. The 3‑pole configuration guarantees synchronized disconnection across all phases, which is critical for protecting motors, drives, and other three‑phase loads from uneven fault conditions.

Specifications at a glance

• Current rating: 225 A
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Applications: Panelboards, switchboards, control panels; ideal for industrial, commercial, and OEM use

Practical tips for maximizing value

• Coordinate with system protection schemes to ensure upstream and downstream devices share compatible trip characteristics for selective tripping.
• Plan maintenance intervals to inspect terminal connections and physical integrity, preserving reliability in MCCs and distribution panels.
• When upgrading existing infrastructure, verify enclosure space and mounting compatibility to streamline replacement and minimize downtime.