A low cost solution to the problem of timer failure. Relays plug into your mechanical timer to protect it against the inductive load of the HID control gear.
The 2 way relay can switch a maximum of 10 amps or 2000 watts.
The 4 way contactor can switch a maximum of 13 amps or 3000 watts.
These units are rugged and durable and have a 1 year guarantee.