The Schneider Electric Square D 18478 is a 4-pole miniature circuit breaker designed for robust electrical protection in industrial environments. This breaker is part of the widely recognized Square D product line, known for its reliability in demanding applications. It is engineered to safeguard electrical circuits from overcurrent conditions, ensuring the integrity of connected equipment and personnel safety.

Technical details

• Poles: 4
• Current Rating: 63A
• Trip Curve: Type C (suitable for inductive loads with moderate inrush currents)
• Voltage Rating: Verify against manufacturer datasheet for specific voltage class (e.g., 240VAC, 480VAC, 600VAC)
• Interrupting Capacity: Verify against manufacturer datasheet for specific kA rating
• Terminal Type: Verify against manufacturer datasheet (e.g., screw, lug)
• Mounting Type: DIN rail mount (standard for miniature circuit breakers)
• Operating Temperature Range: Verify against manufacturer datasheet

Applications & compatibility

This 63A, 4-pole Type C circuit breaker is commonly employed in control panels, distribution boards, and machinery requiring reliable overcurrent protection. Its Type C characteristic makes it suitable for applications with moderate inrush currents, such as motor control circuits, lighting systems, and general power distribution in manufacturing facilities, food processing plants, and water treatment plants.

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 18478 or contact our technical team for cross-reference assistance with compatible Square D circuit protection components.