We will use a contactor an auxiliary contact block an overload relay a normally open start pushbutton a normally closed stop pushbutton and a power supply with a fuse. Use these tips to learn how to wire a contactor.
Napco Technical Library
Normally closed contactor wiring diagram. For instance the following diagram shows a normally open pushbutton switch controlling a lamp on a 120 volt ac circuit the hot and neutral poles of the ac power source labeled l1 and l2 respectively. Inch to mm conversion. It is possible to use two relays to create a normally closed condition. Iec contactors 41 42 iec contactors and auxiliary contact blocks 41. Sample 1 this sample demonstrates how a relay can be used to activate a light bulb. When the relay turns on the light comes on.
Only one power wire is switched with this sample using the com common and no. Click here for legacy contactor catalog pages. The following diagram depicts 3 phase non reversing motor control with 24 vdc control voltage and manual operation. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2. These contacts may be indicated on the label as normally open no and normally closed nc. These contacts also may be shown as a drawing of a line from 1 contact ending in a dot the nc contact and another line from another contact that is near the dot but.
Convert to mm. Wiring diagrams simple to complex ways to wire relays. Click here for current contactor catalog pages. A 600 p 300.
Gallery of Normally Closed Contactor Wiring Diagram
