TH2221J
Eaton DH221NDK versus General Electric TH2221J:
PDF page 3, row 2.1. Printed section: Fusible, Two-Pole, Two-Wire, 240 Vac, NEMA 12; 30 A. Always verify poles and wires: catalog codes can occur in multiple tables. Original printed codes retained; source is an Eaton publication hosted by PG&E. Historical manufacturer-listed selection candidate, not a drop-in guarantee. Verify current ordering codes, ratings, circuit function, poles/wires, enclosure, mounting, approvals and application suitability. Bidirectional discovery does not imply symmetric technical interchangeability. No transitive cross is inferred.