DP12

This is a low-current, polarized,two-position, bistable, distance relay with twelve change-over contacts; designed for switching DC&AC electrical circuits with frequency of 5-1500 Hz; manufactured in accordance to State standard 16121-86, State standard ВД 16121-86 and Бг0.425.001 ТУ.
Environmental ratings: cold temperate, cold and tropical (humid) climate.
Models for space, military and general industry purposes are available.
How to order: Relay DP12 12 РС4.521.901 Бг0.425.001 ТУ.
Technical Parameters
Table 1
Model |
Contact resistance, Ohm, not more |
Coil resistance, I…IV, Ohm |
Non revert voltage, V, not more |
Operate voltage, V, not more |
Rated voltage, V |
РС4.521.901 |
2 |
420±63 |
10 |
18 |
|
РС4.521.903 |
0,25 |
||||
РС4.521.902 |
0,25 |
75±11,25 |
4 |
8 |
|
РС4.521.904 |
2 |
||||
РС4.521.905 |
2 |
420±63 |
10 |
17 |
|
РС4.521.906 |
0,25 |
Technical Specifications
Table 2
Operate time, ms, not more |
12 |
Electrical insulation strength between current carrying circuits and between current carrying circuits and package (effective value), V: |
500 |
Insulation resistance between current carrying circuits and between current carrying circuits and package, MOhm, not less: |
200 |
Weight, g |
220 |
Operating conditions
Table 3
Ambient temperature, °С |
from minus 60 to plus 80 |
Atmospheric pressure, Pa, (mm of Mercury) |
1,3·10-4 1,06·105 (from 5 to 800) |
Relative humidity at t ≤35°С,% |
to 98 |
Shock resistance - multiple shocks |
|
Vibration loads |
|
Shock resistance |
30 shocks with acceleration to 750 m/sec2 (75g) |
Linear loads |
to 250 m/sec2 (25g) |
Switching Modes
Table 4
Models |
Switching range |
Form of load |
Current type |
Switching frequency Hz, Not more |
Number of switching cycles |
||
I, А |
U, В |
∑ |
t=80°С |
||||
РС4.521.901 |
0,8·10-1-2,0 |
6 - 34 |
Active |
const |
3,0 |
104 |
0,25·104 |
5,0-10,0 |
6 - 32 |
* |
100 |
25 |
|||
0,5–1,0 |
12 - 115 |
var |
0,5 |
104 |
0,25·104 |
||
0,4·10-1-0,15 |
6 - 34 |
Inductive τ≤15 мс |
const |
3,0 |
|||
0,15-1,0 |
1,0 |
||||||
0,5·10-1-0,5 |
12 - 115 |
Inductive cos φ≥0.3 |
var |
1,0 |
0,5·104 |
0,125·104 |
|
Active |
3,0 |
||||||
РС4.521.902 |
0,5·10-5-0,1·10-2 |
0,05 –10** |
Active |
const &var |
3,0 |
104 |
0,25·104 |
0,1·10-2- 0,1·10-1 |
3 - 34 |
const |
|||||
0,1·10-2-0,5·10-1 |
5 - 115 |
var |
|||||
0,1·10-1- 0,1 |
10 - 34 |
const |
|||||
РС4.521.903 |
0,5·10-5-0,1·10-2 |
0,05 –10** |
Active |
Const &var |
3,0 |
104 |
0,25·104 |
0,1·10-2-0,1·10-1 |
3 - 32 |
const |
|||||
0,1·10-2-0,5·10-1 |
5 - 115 |
var |
|||||
0,1·10-1-0,1 |
10 - 32 |
const |
|||||
РС4.521.905 |
0,8·10-1-2,0 |
6 - 34 |
Active |
const |
**** |
104 |
0,25·104 |
5 - 10 |
* |
100 |
25 |
||||
0,5·10-1-1,0 |
12 - 115 |
var |
**** |
104 |
0,25·104 |
||
0,1 - 0,5*** |
30 - 80 |
Inductive |
var 1500 Hz |
**** |
|||
0,4·10-1-0,15 |
6 - 34 |
Inductive. τ≤15 мс |
const |
3,0 |
|||
0,15-1,0 |
1,0 |
||||||
0,5·10-1-0,5 |
12-115 |
Inductive cos φ≥0.3 |
var 50-400 Hz |
1,0 |
0,5·104 |
0,125·104 |
|
РС4.521.906 |
0,5·10-5-0,1·10-2 |
0,05- 10** |
Active |
Const & var |
***** |
104 |
0,25·104 |
0,1·10-2- 0,1·10-1 |
3 - 34 |
const |
|||||
0,1·10-2-0,5·10-1 |
5 - 115 |
Var 50-400 Hz |
|||||
0,1·10-1- 0,1 |
10 - 34 |
const |
* Make switch duration is 50 – 100 ms. Closed break switch is not allowed.
** Load resistance shall be within the limits of 5-500 kOhm.
*** Toroidal transformer coil ОА32/50-10 cos φ=0,8.
**** Coil power supply is pulsing with pulse duration (0,25 ± 0,05)sec, relative pulse duration not less than 100.
***** Time of continuous live coil standing shall be 0,05-5 sec when relative pulse duration (cycling switches) shall be not less than 5.
Schematic Circuit Diagram |
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External and Mounting Dimensions |
Terminal Position |
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