Square D HJA36030YP 30A 3-Pole 600 V Circuit Breaker

Meet the Square D HJA36030YP, a robust 30 A, 3-pole circuit breaker designed for demanding 600 V three‑phase systems. This part is built to protect essential equipment by interrupting all three conductors when overloads or faults occur, helping prevent damage to motors, drives, and power distribution components.

Key specs at a glance:

• Current rating: 30 A
• Poles: 3 (three-phase protection)
• Voltage rating: 600 V
• Part number: HJA36030YP
• Brand: Square D — trusted compatibility across Square D installations

Why this 3-pole breaker matters for your setup:

• Three-phase protection ensures all hot legs disconnect together, reducing the risk of arcing and phase imbalances that can harm motors and drives.
• A proven Square D design supports straightforward panel mounting and consistent trip behavior in commercial and industrial environments.
• Ideal for motor circuits, HVAC drives, conveyors, pumps, and other equipment powered by 3-phase power in warehouses, manufacturing floors, or large facilities.

Practical considerations:

• Ensure your panel is designed to accept Square D HJA series breakers and that the trip rating aligns with your equipment's full-load current and startup surge characteristics.
• Handle with standard electrical safety practices and secure terminal connections to maintain reliable protection.