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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.
China power relay

Name: JQX-40F-2Z Power Relay

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Ordering Information
China power relay

JQX-40F-2Z Power Relay
China power relay
china power relay

Contact Data

Contact Ratings 2Z,2H,2D
Contact Resistance 30mΩ (1A 6VDC)
Contact capacity 40A 250VAC 2HP 250VAC

Coil data

Insulation Resistance 1000MΩ, 500VDC
Dielectric Strength Between coil and contacts 2500VAC 1minute
Between open contacts 1200VAC 1minute
Operate /Release Time 25ms / 25ms
Terminal Type Socket & Din rail

 

Specification

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 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
china power relays

Characteristic curves
china power relays
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