The Schneider Electric Square D 18525 is a 4-pole miniature circuit breaker designed for robust electrical protection in demanding industrial environments. This device is part of the widely recognized Square D line, known for its reliability and performance in power distribution and control systems. Its construction is engineered to safeguard equipment from damaging overcurrent conditions, making it suitable for integration into complex machinery and facility power infrastructure.

Technical details

• Series: Square D
• Poles: 4
• Rated Current: 125A
• Tripping Curve: D
• Application: Short circuit and overload protection
• Inrush Current Tolerance: High, suitable for applications with significant starting currents
• Voltage Rating: Verify against manufacturer datasheet for specific AC/DC voltage compatibility.
• Interrupting Rating: Verify against manufacturer datasheet for specific fault current interruption capacity.

Applications & compatibility

This 125A, 4-pole circuit breaker is commonly deployed in heavy-duty industrial applications such as motor control centers, main distribution panels, and power feeds for large machinery. Its D-curve characteristic makes it particularly well-suited for protecting inductive loads like motors and transformers that experience high inrush currents during startup, preventing nuisance tripping while ensuring effective fault protection in manufacturing plants, processing facilities, and large commercial buildings.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D 18525 or contact our technical team for cross-reference assistance with compatible Square D circuit protection components.