Square D | NA361000 | Circuit Breaker | 1000A | 3-Pole | 600V

Meet the Square D NA361000 Circuit Breaker—a high‑current protective solution crafted for demanding electrical systems where reliability isn’t optional. With a 1000A rating across 3 poles at 600V, this breaker is designed to safeguard large feeders and three‑phase circuits in industrial environments.

Why this matters

A three‑pole configuration provides synchronized protection across all phases, helping prevent unbalanced currents and equipment damage. The 600V rating makes it suitable for heavy‑duty distribution panels, switchgear, and motor circuits where dependable interruption and clear fault isolation are essential.

Key specifications

• Amperage: 1000A
• Poles: 3‑Pole
• Voltage: 600V

Compatibility note: The part reference NA361000 is the best source for ensuring a correct fit. Confirm fit and ratings before ordering to avoid mismatches in panel, bus, or mounting footprint.

Ideal use cases

• Industrial power distribution panels in manufacturing facilities
• Large‑motor and HVAC feeder circuits
• Retrofit and replacement projects in legacy Square D panels
• Maintenance of critical infrastructure where downtime must be minimized

What sets this apart

Compared with lower‑current breakers, the NA361000 is built for high‑demand environments, delivering dependable interruption and predictable performance under heavy load. Its Square D lineage means compatibility with standardized mounting and trip characteristics common in industrial installations, simplifying retrofits and service replacements.

Practical procurement and installation notes: use the exact part number NA361000 to verify compatibility with your existing equipment, review panel ratings to ensure 1000A protection is supported, and engage a qualified electrician to ensure proper installation and safety compliance.