Square D XD0 40 Class 8501 Form 9807 Circuit Breaker provides overcurrent protection as part of Square D's XD0 family. Identified by the XD0 40 model with Class 8501 and Form 9807 designations, this breaker reflects its specific form factor and regulatory classification within the Square D lineup. Designed to interrupt current during overload or fault conditions in electrical distribution systems that use the XD0 40/8501 Form 9807 specification.
