Square D | JLL36225 | Circuit Breaker | 225A | 3-Pole | 600V

Designed for maintenance, retrofit, and replacement in compatible Square D electrical systems, the Square D JLL36225 circuit breaker delivers reliable protection for high-demand 3‑phase circuits. With a 225A amperage rating, a 3‑pole configuration, and a 600V maximum, this unit is built to handle the demanding needs of commercial and light industrial environments.

Key specifications

• Amperage: 225A
• Poles: 3-Pole
• Voltage: 600V
• Part number: JLL36225
• Brand: Square D

What sets this breaker apart

• The part number JLL36225 is the most reliable reference for matching this breaker to Square D panels, ensuring a proper fit and electrical coordination.
• 3-pole protection for balanced 3‑phase systems: The 3‑pole design provides simultaneous protection across all three phases, helping prevent phase imbalance and protecting downstream equipment.
• High-current capability in a compact form: At 225A, it supports robust loads such as motors, conveyors, and other high-demand loads common in commercial and light industrial settings.
• 600V rating for versatile installations: Suitable for a range of distribution applications where three-phase power is present, across installations that require reliable overcurrent protection.

Ideal use cases

• Retrofits and replacements in existing Square D panelboards and switchboards where 225A, 3‑pole, 600V protection is required.
• Protection of 3‑phase motor drives, HVAC equipment, and manufacturing lines in warehouses, plants, and data centers.
• Maintenance projects that demand exact spec matching to minimize gaps in protection curves and trip characteristics.

Compatibility and installation notes

• Always confirm fit and ratings before ordering. The JLL36225 part number is the best reference for compatibility with your Square D equipment.
• Use in applications that require synchronized tripping across all phases to protect three-phase loads.
• For best results, pair this breaker with panels and enclosures designed to accommodate Square D JLL-series breakers and follow standard electrical safety practices during installation.

In environments where reliable, phase-coherent protection matters, the Square D JLL36225 225A 3‑Pole 600V circuit breaker is a precise, purpose-built choice. It combines a strong current rating with deliberate design for compatibility, retrofit readiness, and dependable performance in demanding electrical distributions.