The Boss 4 Way Contactor (Grasslin Timer)

The Boss 4 Way Contactor with built-in Grasslin timer is a reliable solution for safely switching multiple HID grow lights without overloading your household timers or sockets. Designed for growers, this unit ensures your lighting turns on and off precisely — protecting your setup and simplifying your schedule.

Built with robust components and a heavy-duty contactor relay, it's ideal for handling the high inductive load from ballasts and lights. Includes a quality Grasslin mechanical timer for simple, accurate scheduling.

Key Features:

• Controls up to 4 grow lights

• Built-in Grasslin 24-hour mechanical timer

• Heavy-duty contactor for safe load switching

• Plug-and-play design

• Pre-wired for convenience

• Maintains stable on/off cycles under high inductive loads

Ideal For:

Growers running 2–4 HID lighting systems who want safe, automated control without the risk of timer failure or overheating — ideal for indoor grow rooms and tents.