Nec Relay Wiring Diagram

Dual relay board dual relay 19 95.

Nec relay wiring diagram. The light bulb will be activated if relay 1 and relay 2 are on or if relay 3 is on. Relay 1 yel field power wiring see rating plate disconnect per nec for volts hertz blk l1 l2 see note 1 hvtb l3 blu blu yel blu blu 9 11 7 6 1 4 plug 2 gnd relay 1 22 vdc coil orn vio rec 3 2 label 3 heater va. Check our stock now. The best way is to think of it as 3 separate items.

Find your nec wiring diagrams page 3 here for nec wiring diagrams page 3 and you can print out. Use copper wire 75ºc min only between disconnect switch and unit. Relay 1 is a night day sensor relay 2 is a moisture sensor. Relay terminology the iso mini relay we have looked at above has 4 pins or terminals on the body and is referred to as a make break relay because there is one high current circuit and a contact that is either open or closed depending upon whether the relay is at rest or energised.

This book contains examples of control circuits motor starting switches and wiring diagrams for ac manual starters drum switches starters contactors relays limit switches and lighting contactors. Search for nec wiring diagrams page 3 here and subscribe to this site nec wiring diagrams page 3 read more. Automotive relay diagram relays are switches controlled by electrical power like another switch computer or control module. Competitive prices from the leading nec relays distributor.

To be wired in accordance with nec and local. The following simplified circuit diagram is often used to easily understand how a relay operates. The purpose of a relay is to automate this power to switch electrical circuits on and off at particular times. You have an input a normal track output and a reversing track output.

Nec relays at farnell. The square relay pinout shows how the relay socket is configured for wiring. This sample is perfect for applications that may require a logical condition of 2 relays plus an override feature. Use the attached diagram i pulled from the manual.