Heinemann AD3S-A8-LI-DN-H-AD is a three-pole circuit breaker in the AD3S family, designed for three-phase circuit protection. Identifiers include AD3S-A8-LI-DN-H-AD and cross-references AD3S-Y11-1 3HAC0870-1. This device is commonly used in electrical distribution panels or motor control centers where three-pole protection is required.
