Explosion-proof thyristor-contactor starter TKPV
Explosion-proof thyristor-contactor starter TKPV is designed for remote controlled start and stop, as well as overload protection of three-phase asynchronous electric motors with a squirrel-cage rotor, protection against short-circuit currents in outgoing power circuits fed from a three-phase AC network with isolated transformer neutral in mines, dangerous gas (methane) and dust.
| Parameter name | TKPV 1х200М | TKPV 1х300М | TKPV 1х400М | TKPV 2х200М | TKPV 2х300М | TKPV 2х400М | TKPV 2х200С | TKPV 2х300С | TKPV 2х400С |
|---|---|---|---|---|---|---|---|---|---|
| Rated voltage, V | 660/1140 | ||||||||
| Rated continuous starter current, A | 200 | 300 | 400 | 400 | 600 | 800 | 400 | 600 | 800 |
| Maximum voltage of intrinsically safe control circuits Ui, V | 18 | ||||||||
| Overcurrent protection setting range, A | (10-1250)* | ||||||||
| Setting range In for current overload protection, A | (10-200)* | ||||||||
| Response time of current protection against overload 6 In, sec., no more | 5** | ||||||||
| Controlled value of insulation resistance 660/1140 V, kOhm | 30/100 | ||||||||
| Controlled value of insulation resistance 42 V, kOhm | 4,5 | ||||||||
| Controlled resistance value of the grounding circuit, Ohm | 50 | ||||||||
| Controlled thermistor resistance value (temperature protection), kOhm | 13 | ||||||||
| Коммутационная способность одной силовой ветви: | |||||||||
| – for shutdown (effective current value), A | 3150 | ||||||||
| – for switching on (amplitude value of current), A | 3800 | ||||||||
| Switching wear resistance of the main contacts, ON-OFF cycles: | |||||||||
| – in the AC-3 category (with In.working = In) | 3х105 | ||||||||
| – in the AC-4 category (with In.working = 0.4In) | 1х105 | ||||||||
| Mechanical wear resistance, ON-OFF cycles | 1х106 | ||||||||
| mechanical wear resistance of the disconnector, ON-OFF cycles | 6300 | ||||||||
| Overall dimensions, mm, no more | 2240х765х820 | 2600х765х820 | |||||||
| Weight, kg, no more | 1130 | 1140 | 1150 | 1540 | 1560 | 1580 | 1550 | 1570 | 1590 |
| Level and type of explosion protection | IP54 | ||||||||
| Level and type of explosion protection | РВ Ex d [ia] I | ||||||||
| * Setting range of current protection for one power branch when only one electric motor is connected to the power branch; when connecting two electric motors to one power branch, the maximum setting range is automatically reduced by half (625A according to item 6 and 100A according to item 7) ** Minimum response time of current protection against electric motor overload by current 6In; based on the technical characteristics of the electric motor (depending on the class of its insulating materials) it is possible in each power circuit to change from zero to maximum, but not more than 20 seconds |
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