Authentic Square D PGA36040U43A – 400A 3 Pole Molded Case Circuit Breaker

Built for complex coordination, the Square D PGA36040U43A is a 400A, 3-pole electronic trip MCCB. It protects industrial environments requiring precise fault management. This P-Frame breaker connects to Square D I-Line panelboards and switchboards. It serves as a reliable substitute for PJA36040U43A and PLA36040U43A models. It features a Micrologic 5.0A trip unit with an integrated ammeter, delivering adjustable long-time, short-time, and instantaneous (LSI) protection.