| Chapa | Switchgear parts |
| Namba ya Modeli | 2000-2500A DNH40 Series Disconnector Switch Swahili (sw_KE) Translation: Vifaa vya Kutumia Kama Switch ya Kutofautiana ya 2000-2500A ya Mstari DNH40 |
| volts maalum | AC 1000V |
| Mkato wa viwango | 2500A |
| mfumo wa mafano | 50Hz |
| Siri | DNH40 |
Siri ya DNH40 ina muundo wa moduli ambao unaweza kukusanyika kulingana na mahitaji ya mteja.
Nyuzi ya siri yote yameundwa kwa kutumia resin ya polyester unsaturated yenye reinforcement ya fiba ya glass, inayoleta uzito mzuri wa flame-retardant, dielectric performance, anti-carbonization, na impact resistance.
Imewekwa na mfumo wa energy storage wa double spring, siri inaruhusu release instantaneously ya spring wakati wa kufanya kazi, husaidia kuhakikisha connection na disconnection haraka. Mfumo huu ni independent na mwendo wa speed ya handle, anaweza kupunguza uwezo wa switching.
Chaguo cha moving contact linavyoonekana kwenye window, linaongeza level ya safety.
Siri ina ON/OFF indicator safi. Waktu ina position “O”, handle inaweza kuelimiwa ili kuzuia kufanya kazi bila mkazo.
1、Machinery and Equipment
Inapatikana kwa machinery ambayo inahitaji kuunganisha/kutokosa circuits mara chache. Isolation ya reliable inahakikisha usalama wakati wa maintenance na operation.
2、Mifumo ya Umiliki
Inatumika kwenye mifumo ya umiliki wa nishati kwa ajili ya kuondoka sehemu tofauti kwa ajili ya maintenance au kwa sababu ya fault. Inahakikisha usalama wa wafanyakazi na vifaa.
3、Switchgear na Control Panels
Ni muhimu kwenye switchgear na control panels kwa ajili ya usalama wa kuondoka circuits. Inahakikisha operators wanaweza kufanya kazi kwenye electrical panels bila hatari ya electric shock.
4、Motor Control Centers
Inatoa isolation kwa motor control circuits, inawezesha maintenance na operation salama. Ni muhimu kwenye mazingira ya kiuchumi ambapo motor control ni muhimu.
5、Mifumo ya Photovoltaic
Inatumika kwenye mifumo ya photovoltaic kwa ajili ya kuondoka sehemu za system kwa ajili ya maintenance, inahakikisha usalama na reliability kwenye setup za nishati zenye kurudia.
| Model | DNH40 - 2000 | DNH40 - 2500 | |
| Conventional thermal current na rated operational current | A | 2000 | 2500 |
| Rated operational voltage (AC - 20/DC - 20) | V | 1000 | 1000 |
| Rated insulation voltage (Installation category Ⅳ) | Ui V | 1000 | 1000 |
| Dielectric strength | 50Hz 1min kV | 10 | 10 |
| Rated impulse withstand voltage | Uimp kV | 12 | 12 |
| Rated operational current (AC - 21A) | 690V A | 2000 | 2500 |
| Rated operational current (AC - 22A) | 690V A | 2000 | 2500 |
| Power loss per pole (at rated operational current) | W | 55 | 85 |
| Rated short - time withstand current | ≤690V1s kA | 55 | 55 |
| Rated short - circuit making capacity | ≤ 690V kA | 176 | 176 |
| Mechanical life | Oper | 6000 | 6000 |
| Operating torque (3 - pole) | Nm | 70 | 70 |
| Terminal screw specification | mm | M12 | M12 |
| Terminal tightening torque | Locking torque Nm | 50~75 | 50~75 |