MASTER/SLAVE SWITCHER 230V
When a master mains appliance (up to 4kW) is turned on this device will switch another mains appliance (240V up to 10A) on or off via a single pole... more...

12 VOLT TWILIGHT SWITCH
This handy module senses the ambient light level and will switch external devices on/off at night and in the morning. The unit operates from 12 VDC an... more...

12V DPDT 5A MINI RELAY
- Extra heavy duty mini relay- Rated voltage - 12V DC- Coil current - 30mA- Coil resistance - 400ohms- Contact rating - 5 Amp- Power consumption - 360... more...

DIN RAIL RELAY MOUNTING SOCKET
Suits relay types SY-4052, and SY-4053... more...

POWER RELAY BASE TO SUIT SY4065
Quality DIN rail mount with screw terminals.- Size: 72(l) x 29(w) x 30(h)mm.- Suits our SY-4065 12 volt Power Relay.... more...

12V DPDT 10A POWER RELAY
Where really heavy currents need to be switched for mains appliances, high power speakers.- Contact rated at 10A 240V AC.- NO/NC contacts.- Coil 12VDC... more...

12V SPDT 3A RELAY
- Rated voltage - 12V DC- Coil current - 30mA- Coil resistance - 400ohms- Contact rating - 3 Amp- Size - 18 x 15 x 14(H)mm- NO/NC contacts.... more...

30A HORN RELAY - SPST
Whilst designed for auto horns, this relay is ideal for any high current application i.e. burglar alarms, ignition cutout, transmitters, car spotlight... more...

HORN RELAY BASE
This is a plug in base with cable attached.- Suits SY-4068 and SY-4070.... more...

30A HORN RELAY - SPDT
Similar to SY-4068, except it is double-throw. Ideal for situations where a secondary device needs to be activated, while also disabling a primary dev... more...