- 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.
| Mini power relay Name: JZX-18FH Power Relay |
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Ordering Information
JZX-18FH Power Relay
Mini power relay |
Features
* 7A switching capabilities.
* 2 to 4 pole configurations.
* 1.5KV dielectric coil to contacts. 2.5KV is available.
* Various terminals, test button available.
* Au-claded contact available.
* Conform to the CE low voltage directive
Contact Data
| Contact Arrangement |
2C,3C |
4C |
| Initial Contact Resistance Max. |
50mΩ(at 1A 24VDC) |
| Contact Material |
Silver Alloy |
| Contact Rating(Res.Load) |
5A,7A/250VAC 30VDC |
3A,5A/250VAC 30VDC |
| Max.switching voltage |
250VAC/30VDC |
| Max.switching current |
7A |
5A |
| Max.switching power |
210W 1750VA |
150W 250VA |
| Mechanical life |
2 × 107 OPS |
| Electrical life |
1 × 105 OPS |
Characteristics
| Initial Insulation Resistance |
1000MΩ,500VAC |
| Dielectric Strength |
Between coil and Contacts |
1500VAC 1min. |
| Between open contacts |
1000VAC 1min. |
| Between contact sets |
1500VAC 1min. |
| Operate time (at nomi,Volt.) |
25ms |
| Release time (at nomi.Volt.) |
25ms |
| Shock Resistance |
Functional |
100 m/s2 |
| Destructive |
1000 m/s2 |
| Vibration Resistance |
1mm, 10 to 55Hz |
| Humidity |
35% to 95% |
| Ambient temperature |
-55℃ to + 70℃ |
| Termination |
PCB & Plug-in |
| Unit weight |
39g |
| Construction |
Dust Cover |
Coil Power
| Coil Power |
DC: 0.9W AC 1.2VA |
Coil data
| Nominal Voltage VDC |
Pick-up Voltage
VDC |
Drop-out
Voltage
VDC |
Coil ResistanceΩ |
|
Nominal Voltage VDC |
Pick-up Voltage
VDC |
Drop-out
Voltage
VDC |
Coil ResistanceΩ |
| 5 |
4.0 |
0.50 |
27.5±10% |
6 |
4.80 |
1.80 |
11.5±10% |
| 6 |
4.8 |
0.60 |
40±10% |
12 |
9.60 |
3.60 |
46±10% |
| 12 |
9.6 |
1.20 |
160±10% |
24 |
19.2 |
7.20 |
184±10% |
| 24 |
19.2 |
2.40 |
650±10% |
48 |
38.4 |
14.4 |
735±10% |
| 48 |
38.4 |
4.80 |
2600±10% |
120 |
96.0 |
36.0 |
4550±10% |
| 110 |
88.0 |
11.0 |
11000±10% |
220/240 |
176.0 |
66.0 |
14400±10% |
Outline Dimensions And Wiring Diagram
Characteristic Curves
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Product Quick Links
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