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  • Power relays are designed to withstand the current of the electrical circuit into they are inserted and to cut off the electrical circuit under load. Power relays are usually constructed in that the electromagnet with yoke, the contact system, and the arc extinguishing equipment, are built separately, and the relay as a whole is subsequently assembled from such subassemblies. A power relay may include a slide for operating a contact spring. The slide has an end edge lying parallel to the surface of the contact spring that contacts and pushes against the broad side of a contact spring for actuating the middle contact spring. Electromechanical relays comprise one or more electrical contacts having a mechanical movement, these being coupled to a moveable element of the magnetic circuit of an electromagnet. The development and ready availability of various solid state electronic devices has replaced the old reliable electromagnetic relay for controlling the flow of AC power while affording electrical isolation between the switching path and the actuating control elements.
Power relays

Name: 56.02 56.04 General-Purpose Relay

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Ordering Information

Power relayPower relay

Contact Data

   
   
   

Characteristics

   
   
 
   
   

 

COIL Power

   

Coil data

Nominal Voltage VDC Pull-in Voltage
VDC
Release Voltage
VDC
Coil ResistanceΩ:±10%   Nominal Voltage VAC Pull-in Voltage
VDC
Release Voltage
VDC
Coil ResistanceΩ:±10%
6 4.20 0.60 30 12 9.60 3.60 11.2
12 8.40 1.20 130 24 19.20 7.20 4.5
24 16.8 2.40 450 48 38.40 14.40 100
48 33.6 4.80 1820 110 88.00 36.00 940
60 42.0 6.00 2800 220 176.00 72.00 3760
110 88.0 11.0 9650 240 176.00 72.00 5050

Outline Dimensions And Wiring Diagram


Power relays

Characteristic Curves

Power relays
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