Square D | A1B325 | Circuit Breaker | 3-Pole | 240V

Discover the Square D circuit breaker A1B325 — a purpose-built 3-pole, 240V protection device engineered for maintenance, retrofit, and replacement scenarios where exact compatibility matters. When your panel calls for a precise match, this is the part number to trust.

Precise compatibility you can rely on

A1B325 is your best reference for compatibility. Designed to support 3-pole, 240V applications in Square D panels, this breaker is built to align with your panel’s design and electrical characteristics, helping you avoid mismatches that lead to downtime.

Why it matters in the field

• Three-pole configuration supports standard 3-phase circuits found in commercial and industrial environments
• 240V operating voltage matches mid-voltage distribution needs for motors, controls, and equipment
• Maintenance, retrofit, and replacement ready — ideal when you’re updating, repairing, or stocking spare protection

Use cases you’ll encounter

Perfect for retrofitting aging panels on production lines, replacing failed breakers in electrical rooms, or maintaining serviceability in facilities that rely on stable 3-phase power.

Installation & compatibility tips

Before ordering, verify fit and ratings against your panel documentation. Use the A1B325 part number as the definitive compatibility reference, and cross-check with your panel model and the breaker type currently in use. If in doubt, consult your panel labeling or service handbook to ensure a correct 3-pole, 240V match.

What makes this choice stand out

Unlike generic substitutes, this Square D unit is purpose-built for installations that require precise alignment with Square D panels. The A1B325 helps minimize compatibility surprises during maintenance or upgrades, delivering straightforward replacement in critical facilities where downtime matters.

Note: This description emphasizes the official part number and configuration to help you confidently verify compatibility and plan a seamless replacement strategy.