The Schneider Electric Square D JJA36250U43X is a molded case circuit breaker designed for robust overcurrent protection in demanding electrical environments. This breaker is part of the JJA series, engineered for applications requiring reliable performance and safety, commonly found in industrial power distribution systems and large commercial installations.

Technical details

• Series: JJA
• Type: Molded Case Circuit Breaker (MCCB)
• Frame Size: JJA3 (indicative of a specific physical size and interrupting capacity range)
• Voltage Rating: 600V AC
• Current Rating: 250A
• Number of Poles: 3 (indicated by the '3' in JJA36250U43X)
• Terminal Type: Lug (indicated by 'U' in JJA36250U43X, often denoting unit mount or specific terminal configuration)
• Interrupting Rating: 42kA at 480V (indicated by '43' in JJA36250U43X, a common encoding for interrupting capacity)

Applications & compatibility

This JJA series circuit breaker is suitable for use in main distribution panels, motor control centers, and as feeder protection in manufacturing plants, data centers, and heavy industrial facilities. It is designed to protect circuits from overload and short-circuit conditions, ensuring the integrity of connected equipment and personnel safety.

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 JJA36250U43X or contact our technical team for cross-reference assistance with compatible JJA series components.