Double Pole Double Throw Relay

Dual circuit functions can be controlled with a single coil signal.

Double pole double throw relay.

It has 2 terminals and 4 connectors and you can look at the dpdt relay as the equivalent of 2 single pole double throw spdt relays. A double pole double throw relay comes with 8 terminal points. The dpdt relay double pole double throw is quite interesting and can be used in various scenarious including for changing the direction of a motor as you can see in the picture below. Panasonic ds2y s dc5v electromechanical relay double pole double throw 2a 5 volt 125 ohm pack of 2 13 73 13.

This combination provides tremendous design flexibility. Dpdt stands for double pole double throw relay which is an electromagnetic device used to separate two circuits electrically and connect them magnetically. Sp switches control only one electrical circuit. Dp switches control two independent circuits and act like two identical switches that are mechanically linked.

They are often used to interface an electronic circuit which works at a low voltage to an electrical circuit which works at a high voltage. The terminals are coil coil com com no no nc nc. Sp and dp refer to single pole and double pole st and dt refer to single throw and double throw. Place the relay s rated coil voltage on these terminals.

Omron g7l 2a tub j cb ac200 240 general purpose relay with test button class b insulation quickconnect terminal upper bracket mounting double pole single throw normally open contacts 8 5 to 10 2 ma rated load current 200 to 240 vac rated load voltage. Dpdt relay wiring diagram this is the diagram below to learn all the pin terminals of a double pole double throw dpdt relay. This correlates to the following in the relay. It has 2 terminals and 4 connectors and you can look at the dpdt relay as the equivalent of 2 single pole double throw spdt relays.

Double pole double throw relays supply two single double through relays spdt in one relay package. The 2 coil terminals is where the voltage is placed in order to energize the coil. Pole refers to the number of circuits controlled by the switch.