The Brad Harrison DN3020PM-3 (Molex material 1300350061) is a high-performance DeviceNet Diagnostic Power Monitor Tee. This essential maintenance tool features integrated LED functionality to provide real-time visual feedback on bus power quality, helping to identify and troubleshoot power-related faults before they lead to system downtime. Designed for rugged industrial environments, the DN3020PM-3 features a 5-pole configuration with male left and right trunk ports and a female drop port. It is constructed from durable thermoplastic elastomer (TPE) and is IP67-rated, ensuring reliable diagnostic performance in harsh conditions. This tee is a critical component for control engineers and field technicians who need to maintain the health and uptime of complex DeviceNet networks.