- 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 Relay Supplies Name: JQX-52F Power Relay |
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Ordering Information

JQX-52F Power Relay

power relay supplies |
Contact Data
Contact Ratings |
1Z,1H,1D 2Z,2H,2D, |
Contact Resistance |
30mΩ (1A 6VDC) |
Contact capacity |
40A 250VAC 2HP 250VAC |
Characteristics
Insulation Resistance |
1000MΩ, 500VDC |
Dielectric Strength |
Between coil and contacts 2500VAC 1minute |
Between open contacts 1200VAC 1minute |
Operate Time |
25ms / 25ms |
Terminal Type |
Screw |
Coil power
Nominal Coil Power |
DC2.0W AC2.5VA |
Specification
Nominal Voltage VDC |
Pull-in Voltage
VDC |
Release Voltage
VDC |
Coil ResistanceΩ:±10% |
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Nominal Voltage VAC |
Pull-in Voltage
VDC |
Release Voltage
VDC |
Coil ResistanceΩ:±10% |
6 |
4.20 |
0.60 |
30 |
6 |
4.80 |
1.80 |
14.4 |
12 |
8.40 |
1.20 |
130 |
12 |
9.60 |
3.60 |
57 |
24 |
16.8 |
2.40 |
450 |
24 |
19.20 |
7.20 |
250 |
48 |
33.6 |
4.80 |
1820 |
48 |
38.40 |
14.40 |
921 |
60 |
42.0 |
6.00 |
2800 |
110 |
88.00 |
36.00 |
5000 |
110 |
88.0 |
11.0 |
9650 |
220/240 |
176.00 |
72.00 |
18000 |
Outline Dimensions And Wiring Diagram

Characteristic curves
 
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