The difference between a 4 and 5 pin relay is that a 4 pin relay is used to control a single circuit whereas a 5 pin relay switches power between two circuits. Handy little relay 12vdc tk.
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Very handy little relay wiring diagram. Sample applications very handy little relay 0 lnÿut. The very handy little relay is mounted on a printed circuit board that has screwed terminals for easy interconnections complete with led indication. Sample applications very handy little relay 0 lnÿut. Consultants uk ltd tel. 0845 43 00 33 6 email. How to wire a magnetic lock with backup battery exit button and key switch.
Other handy little relays available are 12 volt dc coil junior 1 inch2 12 volt or transistorised a polarised 24 volt dc coil and a toggled onoff latching relay. 0845 43 00 33 5 fax. Microsoft word vhlr3doc. 4 pin relay 4 pin relays use 2 pins 85 86 to control the coil and 2 pins 30 87 which switch power on a single circuit. This and other diagram and tutorials are available on our website at. Circuit diagram this relay is polarised and is therefore suitable for alarm bell circuits.
There is also a back emf suppressing diode. There is also a back emf suppressing diode. Rated at 8a at 240vac 8a at 30vdc indicator red led dimensions. Microsoft word vhlr3doc. Circuit diagram this relay is polarised and is therefore suitable for alarm bell circuits. It must be wired the correct way round for it to operate.
It must be wired the correct way round for it to operate.
Gallery of Very Handy Little Relay Wiring Diagram
