Hartland Controls HCT-03J2BB07 Transformer 320819-301 It features one 20 Amp

It features one 20 Amp SPDT relay output and one binary dry contact input

If the motor shaft spins freely by hand and there are no burnt windings

Can I use this switch in both heating and cooling applications

OEM Reliability: Built as a Genuine Trane replacement part

Hartland Controls HCT-03J2BB07 Transformer 320819-301 It features one 20 AmpAs a veteran HVAC technician, I know that reliable control power is the backbone of any commercial system. The Hartland Controls HCT 03J2BB07 Transformer is a heavy duty, 75VA solution designed for stepping down 277V primary power to 24V secondary circuits. Engineered for the rigors of industrial environments, this foot mount transformer is a standard for powering 24VAC control circuits, including contactors, relays, and building management system