Main functions and application scenarios
Widely used in industrial automation and control systems, T78 relays offer performance benefits such as high reliability, fast response, low power consumption, long life, high load capacity, compact design, and easy maintenance, making them an ideal choice for engineers and technicians 1. In addition, the T78 relay is also suitable for home appliances, automation systems, electronic devices, instruments, meters, communication devices and remote control systems. In the automotive sector, T78 relays are mainly used in automotive door lock motor control, home appliances, and automatic burglar alarms, among others.
| Parameters |
|
Specifications |
Item |
|
Parameters of contact
|
Contact Form |
1A、1B、1C |
| Contact resistance (initial value) |
≤100mΩ(6VDC1A) |
| contact material |
AgNi、AgS nO 2 |
| Rated load |
Control load |
NO:5A250VAC/14VDC10A 250VAC/14VDC20A 14VDC
NC:5A250VAC/14VDC |
| Maximum switching voltage |
250VAC/30VDC |
| Maximum switching current |
20A |
| Maximum conversion power |
1250VA/280W |
|
|
Electrical performance |
Insulation resistance (initial value) |
100MΩ(500VDC) ， 1min |
| Dielectric withstand voltage (initial value) |
Disconnect between contacts |
500VAC ， 1min |
| Between contact and coil |
500VAC ， 1min |
| response time |
≤10ms |
| releasing time |
≤5ms |
Mechanical properties
|
impact |
stability |
98m/s2(10G) |
| strength |
980m/s2(100G) |
| vibration |
10Hz~55Hz1.5mm double-amplitude |
| Durability of life |
machinery |
1×102times |
| Electrical (room temperature) |
1x 105 次(ON/OFF=1s/1s)
1x 105 次(ON/OFF=2s/3s)
|
Conditions of use |
environment temperature |
-40℃~105℃ |
| humidity |
5% to 90% |
| Exit mode |
plated printed circuit |
| Weight |
About 6.0g |
| Mode of encapsulation |
Plastic seal type, flux proof type |
|
Parameter of coil
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Rated Voltage |
Pull-in voltage |
Drop-out Voltage |
rated current |
coil resistance |
rated power |
Maximum allowable voltage |
| DC 5V |
≤3.75 |
≥0.3 |
72mA |
69.4Ω |
About0.36W |
DC |
6.5V |
| DC 9V |
≤6.75 |
≥0.54 |
40mA |
225Ω |
DC |
11.7V |
| DC 12V |
≤9.0 |
≥0.72 |
30mA |
400Ω |
DC |
15.6V |
| DC 24V |
≤18.0 |
≥1.44 |
15mA |
1600Ω |
DC |
31.2V |
| DC 5V |
≤3.75 |
≥0.3 |
120mA |
41.6Ω |
About0.6W |
DC |
6.5V |
| DC 9V |
≤6.75 |
≥0.54 |
66.6mA |
135Ω |
DC |
11.7V |
| DC 12V |
≤9.0 |
≥0.72 |
50mA |
240Ω |
DC |
15.6V |
| DC 24V |
≤18.0 |
≥1.44 |
25mA |
960Ω |
DC |
31.2V |
| DC 5V |
≤3.75 |
≥0.3 |
160mA |
31.25Ω |
About0.8W |
DC |
6.5V |
| DC 9V |
≤6.75 |
≥0.54 |
88.8mA |
101.25Ω |
DC |
11.7V |
| DC 12V |
≤9.0 |
≥0.72 |
66.6mA |
180Ω |
DC |
15.6V |
| DC 24V |
≤18.0 |
≥1.44 |
33.3mA |
720Ω |
DC |
31.2V |
