Relay is an electrically operated switch. Mainly relays used an electromagnet to mechanically operate a switch, but other operating principles are also used, such as solid-state relays. Relays are used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal. The first relays were used in long distance telegraph circuits as amplifiers: they repeated the signal coming in from one circuit and re-transmitted it on another circuit. Relays were used extensively in telephone exchanges and early computers to perform logical operations.
| Contact Specification | |||||
| Contact Form | 1A,1C | ||||
| Contact Resistance | ≤100mΩ(1A 6VDC) | ||||
| Contact Rating | 1A 250VAC/30VDC | ||||
| 2A 125VAC | |||||
| Contact Material | Silver Alloy (AgCdO/AgSnO2) | ||||
| Technical Specification | |||||
| Insulation Resistance | ≥100MΩ(500VDC) | ||||
| Dielectric Strength | Between contacts and coil | ≥500VAC 1min | |||
| Between open contacts | ≥500VAC 1 min | ||||
| Terminal Type | PCB Mounting | ||||
| Coil Specification | |||||
| Rated Coil Power | 360mW | ||||
| Coil Data | |||||
|
Nominal Voltage |
Operate Voltage | Release Voltage | Coil Resistance | ||
|
VDC |
VDC |
VDC |
Ω±10% |
||
|
3 |
2.3 |
0.3 |
25 |
||
|
5 |
3.8 |
0.5 |
70 |
||
|
6 |
4.5 |
0.6 |
100 |
||
|
9 |
6.8 |
0.9 |
220 |
||
|
12 |
9.0 |
1.2 |
400 |
||
|
24 |
18.0 |
2.4 |
1600 |
||
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