LTL Controls MASTER 4 Lighting Relay Controller w/o Timer - 120V & 240V - Universal Plug - 4 x 1000W Ballasts - 30 Amp

Switch Four Ballasts From One Timer - 4 x 1000W Capacity

Wiring several high-intensity lights straight to a timer can overload it and complicates your setup. The Master 4 relay controller handles the load instead, so a single timing device can switch a four-light room. It is rated for a maximum relay amperage of 30 amps and works on both 120V and 240V power.

This unit suits growers running a four-ballast room who want one central point of control. It does not include a timer, so you pair it with a 120V timing device you already own or plan to buy.

Key Features & Benefits

• Four-ballast capacity — runs up to four 1000W ballasts from a single controller.
• 120V and 240V operation — fits rooms wired for either supply.
• 30 amp maximum relay rating — defines the load limit you plan around.
• Included 120V trigger cable — connects the controller to a 120V timing device.
• Universal plug — simplifies connection to your power source.

Who Should Use LTL Controls Master 4

Indoor growers and commercial operators who run up to four high-intensity discharge lights on a light schedule and want a relay between the timer and the ballasts.

About LTL Controls Master 4

The Master 4 is a lighting relay controller from LTL Controls, sold without a timer. It supports a maximum of four 1000W ballasts, has a 30 amp maximum relay amperage, and includes a 120V trigger cable. It measures 9 x 11 x 7 in and ships at 3.8 lb.

Frequently Asked Questions

Q: Does the Master 4 include a timer?
A: No. It is sold without a timer. The included 120V trigger cable connects it to a 120V timing device you supply.

Q: How many lights can it run?
A: It runs a maximum of four 1000W ballasts. Do not exceed that load or the 30 amp relay rating.

Q: Can I use it on 240V power?
A: Yes. It works on both 120V and 240V power through its universal plug. The trigger cable is for a 120V timing device.

Q: What is a relay controller?
A: A relay controller is a switch that carries the heavy electrical load of your lights. A small signal from a timer triggers it, so the timer never carries that load itself.

Q: Do I need an electrician to install it?
A: The distributor recommends consulting a certified electrician before installing or using it, especially if you are unfamiliar with electrical wiring and circuits.