Airpax PGFM-211-B-A1 Ground Fault Protection Relay

Airpax PGFM-211-B-A1 Ground Fault Protection Relay, a 120 VAC protective relay from Airpax within North Shore Sensata's Airpax line, identifies this unit by the model PGFM-211-B-A1. It is designed to monitor for leakage current to ground in electrical circuits powered at 120 VAC and to trigger a protective response or signaling when a ground fault is detected. The designation as a ground fault protection relay suggests its use in safety-related protection schemes within electrical panels, switchgear, and control circuits where reliable detection of ground faults is essential. This specific model name communicates its place in the product family and its intended voltage context, helping engineers and technicians select compatible protection devices for 120 VAC infrastructure. For exact electrical ratings, terminal configurations, and installation requirements, refer to the official datasheet or product documentation from Airpax.