Relays & Contactors

Sort By:
Show:
Display: List Grid
  • Plug and grow  heavy duty timer/Contactor
    Plug and grow  heavy duty timer/Contactor This grow light timer is ideal for controlling the on/off cycle of one 250W to 600W lamp, perfect for use in a smaller grow tent for example where only one grow light is necessary. Giving your plants a proper cycle of light is very important to ..
    Plug and grow  heavy duty timer/Contactor This grow light timer is ideal ...
    Ex Tax: £10.41 £12.49
  • LUMii 24 Hour Timer - Heavy Duty
    Normal household timers are not built to take the high inductive loads produced by HID ballasts. If sued with an HID ballast, the contacts inside the timer that open and close the timed circuit will overheat and weld together, breaking the timer and leaving your grow lights permanently on. The LUMii..
    Normal household timers are not built to take the high inductive loads produced by H...
    Ex Tax: £11.25 £13.50
  •  2 Way Relay 10A
     2 Way Relay 10A    On/off operation Quality IMO relay switching for lower amperage applications Heavy duty GE contactor switching, ensuring long service life and reliable high amperage switching for high amperage applications   ..
     2 Way Relay 10A    On/off operation Quality IMO relay swi...
    Ex Tax: £24.17 £29.00
  • Maxiswitch 4 Way Relay
    13A (3kW) of relay switching Requires two plug sockets On/off operation ..
    13A (3kW) of relay switching Requires two plug sockets ...
    Ex Tax: £28.08 £33.70
  • Maxiswitch 4 Way Contactor
    Timer units alone can not handle the inductive load created by lighting ballasts resulting in the timer pins becoming welded together causing the lights to be permanantly on, the Maxibright 4 way contactor unit is capable of swithching 13amps of load equivelent to 3kw of lighting, requires two power..
    Timer units alone can not handle the inductive load created by lighting ballasts res...
    Ex Tax: £37.49 £44.99
  • Maxiswitch 4 Way Relay with Grasslin Timer
    13A (2kW) of relay switching Requires one plug socket On/off operation ..
    13A (2kW) of relay switching Requires one plug socket O...
    Ex Tax: £49.99 £59.99
  • Blackbox Pro 2
    The blackbox Pro Contactor range is unmatched for high quality lighting control! The blackbox Pro Contactor is designed to control your light cycle so you don't have to, built with professional quality Grasslin panel mounted timers you can be sure your light cycle will always be on time. T..
    The blackbox Pro Contactor range is unmatched for high quality lighting control! The...
    Ex Tax: £51.66 £61.99
  • Maxiswitch Pro 4
    4 Way Operating Loads 4 x 250 watt 4 x 400 watt 4 x 600 wat t 4 x 1000 watt ..
    4 Way Operating Loads 4 x 250 watt 4 x 400 watt 4 x 600 wat t 4 x 1000 w...
    Ex Tax: £55.82 £66.98 £83.99
  • LUMii 2 Socket Contactor Timer
    LUMii 2 socket contactor timers. Designed, assembled and quality checked in the UK, the LUMii contactor timers are the most robust and professional on the market. Fitted with the world leading Grasslin timer, our contactor's also have protection covers for all sockets and floor pads for fl..
    LUMii 2 socket contactor timers. Designed, assembled and quality checked i...
    Ex Tax: £58.29 £69.95
  • Black Box Pro 4
    Black Box Pro Contactor Light Controller 4-Way. The Black Box Pro Contactor is designed to control your light cycle so you don't have to, built with professional quality Grasslin panel mounted timers so you can be sure your light cycle will always be on time. The Grasslin t..
    Black Box Pro Contactor Light Controller 4-Way. The Black Box Pro Co...
    Ex Tax: £58.32 £69.98 £83.99
  • LUMii 4 Socket Contactor Timer
    LUMii 4 socket contactor timers. Designed, assembled and quality checked in the UK, the LUMii contactor timers are the most robust and professional on the market. Fitted with the world leading Grasslin timer, our contactor's also have protection covers for all sockets and floor pads for floor u..
    LUMii 4 socket contactor timers. Designed, assembled and quality checked in the...
    Ex Tax: £70.79 £84.95
  • Maxiswitch 8 Way Contactor with Grasslin Timer
    26A (6kW) of contactor switching Requires two plug sockets On/off operation ..
    26A (6kW) of contactor switching Requires two plug sockets ...
    Ex Tax: £73.33 £88.00
  • Green Power Hobby 5 Way Relay Timer
    The Green Power Hobby 5 Way Relay Timer is designed to handle up to two 600W grow lights as well as three auxilary sockets: the first extra socket labelled auxiliary turns on and off on the same timer as your lights making it perfect for a fan for air-cooled lighting. The second socket is consta..
    The Green Power Hobby 5 Way Relay Timer is designed to handle up to two 600W gro...
    Ex Tax: £74.58 £89.50
  • Black Box Pro 6
    Black Box Pro Contactor Light Controller 6-Way. The Black Box Pro Contactor is designed to control your light cycle so you don't have to, built with professional quality Grasslin panel mounted timers so you can be sure your light cycle will always be on time. The Grasslin timers use..
    Black Box Pro Contactor Light Controller 6-Way. The Black Box Pro Contactor i...
    Ex Tax: £74.99 £89.99 £102.12
  • LUMii 6 Socket Contactor Timer
    LUMii 6 socket contactor timers. Designed, assembled and quality checked in the UK, the LUMii contactor timers are the most robust and professional on the market. Fitted with the world leading Grasslin timer, our contactor's also have protection covers for all sockets and floor pads for floor u..
    LUMii 6 socket contactor timers. Designed, assembled and quality checked in the...
    Ex Tax: £79.13 £94.95
  • Black Box Pro 8
    Black Box Pro Contactor Light Controller 8-Way. The Black Box Pro Contactor is designed to control your light cycle so you don't have to, built with professional quality Grasslin panel mounted timers so you can be sure your light cycle will always be on time. The Grasslin t..
    Black Box Pro Contactor Light Controller 8-Way. The Black Box Pro Co...
    Ex Tax: £87.50 £105.00 £115.00
  • SMS Temp Protector 16A
    SMS Temp Protector 16A Protect plants from Temperature spikes Protects lamps from hot-restrike Great for closed loop grow rooms Easy to use Fully automatic   The SMSCOM Temp Protector provides a failsafe system that protects the room against excessive temperatures. Should ..
    SMS Temp Protector 16A Protect plants from Temperature spikes Protects lamps...
    Ex Tax: £87.50 £105.00
  • Canatronics 4 Way Contactor
    The Canatronics Renegade Contactor V4 (formerly Eco-Switch) will operate 4x250watt, 4x400watt , 4x600watt or 4x1000watt lighting systems. One box does all. Plug in, set the timer and play. Be safe demand the original make sure it has the Canatronics stamp on it. Comes with a Canatronics 2 year warra..
    The Canatronics Renegade Contactor V4 (formerly Eco-Switch) will operate 4x250watt, ...
    Ex Tax: £91.66 £109.99
  • Sunmaster iGrow 4 way controller
    Sunmaster iGrow 4 way controller   The Sunmaster iGrow controller is a digital ballast controller and timer, made to dim up to 4 Sunmaster digital ballasts. The iGrow controller allows you to simulate sun rise and sun sets which greatly reduces the amount of shock your plants will experien..
    Sunmaster iGrow 4 way controller   The Sunmaster iGrow controller is a digita...
    Ex Tax: £100.00 £120.00