Square D Circuit Breaker Communication Modules NEC 240.6(D) Cybersecurity Letter

This letter from Schneider Electric confirms that communication modules for specific Square D circuit breaker types meet the cybersecurity evaluation requirement of NEC section 240.6(D)(2)(a). The modules were developed under Schneider Electric’s secure development lifecycle (SDL) process, which is certified to ISA/IEC 62443-4-1 ML4.