AT120A1004 Honeywell Transformer - 120/208/240 VAC Primary - 24 VAC Secondary - 20 VA

Electrical Rating: 20 VA

Can be used on up to 10 relays (rated at 1.5 VA or less) wired in parallel

9.0" Leadwires on the supply (120/208/240 VAC) side

Screw Terminals on the secondary (24 VAC) side

Use with most 2 or 3 wire low voltage thermostats and mechanical or solid state relays 

Perfect for use with the Honeywell Aube RC840 and RT850 relays

Mounting Plate for 4" x 4" box included