The Schneider Electric MJA36500 PowerPact Circuit Breaker is a heavy-duty molded case circuit breaker (MCCB) engineered to provide dependable overcurrent protection in commercial and industrial power systems. Designed for high-load applications, this breaker delivers robust performance, safety, and flexibility within Schneider Electric’s proven PowerPact product line. Rated for 600 V AC at 50/60 Hz and a continuous current of 500 A, the MJA36500 is well suited for feeders, switchboards, panelboards, and industrial control systems. Its 3-pole configuration ensures balanced protection across three-phase circuits, while a 25 kA interrupting rating at 600 V AC (UL 489) provides reliable fault-clearing capability in demanding environments. The breaker supports multiple plug-in auxiliary and alarm accessories, including OF auxiliary switches, SD alarm switches, and MN/MX voltage release options, enabling enhanced monitoring and control. With an IP40 protection category and durable construction, the MJA36500 offers long-term reliability for indoor installations where consistent performance and safety compliance are essential. Technical Details Specification Details Manufacturer Schneider Electric Product Type Circuit Breaker (MCCB) Product Line PowerPact Part Number MJA36500 Rated Operational Voltage 600 V AC, 50/60 Hz Rated Insulation Voltage 750 V Rated Current 500 A Number of Poles 3 Breaking Capacity 25 kA AIR @ 600 V AC (UL 489) Mounting Mode 1-Line Protection Category IP40 Accessory Slots 2 × OF auxiliary (plug-in), 1 × SD alarm (plug-in), 1 × MN or MX voltage release (plug-in) Color Black Weight 29.00 lbs (13.15 kg) UPC 785901575696
