24-Hour or 7-Day Electronic 15 A, 20 Setpoint Programs, SPDTThe FM1D20 Series is a great value electronic time based control solution for ventilating, heating, cooling, lighting or other electrical loads in commercial and industrial applications. These one channel time switches are programmable for 24 hour or 7 day schedules with integrated cycle timer. The FM1D20 Series is intended for either panel, surface, flush or DIN rail mounting. Flush and surface DIN rail (A & E models) are completely enclosed in a