The Schneider Electric Square D WA5KKZ44A9SXXXXXXX is a molded case circuit breaker designed for robust overcurrent protection in industrial electrical systems. This breaker is part of the Square D WA series, known for its reliability in demanding environments. It is engineered to operate within a 600V voltage class and is rated for a maximum current of 4000A, making it suitable for high-capacity distribution and protection applications.

Technical details

• Series: Square D WA
• Voltage Class: 600V AC
• Current Rating: 4000A
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: Specific frame size information is encoded within the part number's suffix and requires cross-referencing with Schneider Electric documentation for precise determination.
• Interrupting Rating: The interrupting capacity is a critical specification for MCCBs and is typically determined by the full part number. Buyers should consult the manufacturer's datasheet for the exact interrupting rating of the WA5KKZ44A9SXXXXXXX.
• Poles: The number of poles (e.g., 3-pole) is often indicated in the part number suffix. Verification against the manufacturer's specifications is recommended.
• Terminal Type: Connection type for the busbars and cables is a key feature. Refer to the manufacturer's datasheet for details on the terminal configuration.

Applications & compatibility

This Schneider Electric Square D circuit breaker is commonly deployed in large-scale industrial facilities, power distribution panels, and heavy machinery applications. Its high current and voltage ratings make it suitable for protecting main feeders, large motor circuits, and critical power infrastructure in sectors such as manufacturing plants, data centers, and utility substations.

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 WA5KKZ44A9SXXXXXXX or contact our technical team for cross-reference assistance with compatible WA series components.