Square D | Q1B3601021 | Circuit Breaker | 60A | 3-Pole | 240V | Plug-In

Meet reliable protection for 3‑phase circuits with the Square D Q1B3601021 circuit breaker. This plug‑in device is rated at 60A, 3‑pole, 240V, designed for quick drop‑in replacement in compatible Square D panels. It's the smart choice for maintenance, retrofit, or replacement projects where precise specs matter.

• 60A, 3‑Pole, 240V protection — safeguards three hot legs and the associated equipment against overloads in 3‑phase or 240V circuits.
• Plug‑In installation — designed for fast, tool‑free replacement in compatible Square D panels, minimizing downtime.
• Exact part reference — part number Q1B3601021 is the strongest compatibility reference; always verify that your panel accepts this plug‑in style and rating.
• Ideal for maintenance, retrofit, and replacement — keep critical motors, HVAC units, and industrial loads protected with a like‑for‑like replacement.

Where and how you’ll use it

Use this circuit breaker in Square D panels that require a 60A, 3‑pole, 240V plug‑in device. It’s particularly well‑suited for upgrading older panels, replacing failed breakers, or expanding service where a 3‑phase protection device is needed. Common applications include motor circuits, compressors, pumps, and other three‑phase equipment in commercial or light industrial environments.

Why this matters

With the Q1B3601021, you get reliable interrupting capability for demanding loads, precise coordination with your panel’s bus arrangement, and a straightforward path to restoring protection quickly after a fault. The plug‑in form factor reduces installation complexity and downtime, helping maintain uptime for critical systems.

Installation and compatibility tips

Always confirm fit and ratings before ordering. Use the part number Q1B3601021 as the primary compatibility reference. When installing, follow your panel manufacturer’s instructions and ensure the device is fully seated in the bus and securely mounted. For ongoing reliability, perform a visual inspection during regular maintenance and replace any damaged or worn components promptly.

Ready to maintain or upgrade your protection? Add the Square D Q1B3601021 60A 3‑Pole 240V Plug‑In Circuit Breaker to your cart and keep your three‑phase circuits safely guarded.