Edwards 591 Transformer, 120VAC - 16VAC, 10 VA, Signaling, (Doorbell)

1-Phase, Primary/Secondary: 120V - 16V, 10 VA. Signaling Transformer, 590 Series, Non-Regenerative Thermal Overload Protection. Mounts in a Standard 1/2" Knockout or Surface Mounts. Ideal for Standard Door Bells & Chimes.