TGM2LC series is a product developed for meeting the urban and rural power grids and other power grids requiring residual current reclosing functions.
This series of circuit breaker is suitable for three-phase four-wire low-voltage grids with neutral point solid ground, with AC 50Hz, rated voltage of 400V and rated isolation voltage of 800V. The frame grade of the circuit breaker is divided into 125A, 250A, 400A, 630A and 800A. Its setting current is from 65A to 800A; the rated residual action current is from 50mA to 1,000mA.
The circuit breaker shall meet the standards: IEC60947-2 and IEC60947-4-1
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1. Ambient air temperature: -5ºC-+40ºC;
2. The attitude of the installation site does not exceed 2,000m;
3. The air relative humidity at the installation site shall not exceed 50% at a maximum temperature of +40ºC,and a higher relative humidity is allowed at the lower temperature. For example, the relative humidity can reach 90% at +20ºC. Protection measures should be taken to deal with occasional condensation due to temperature changes;
4. Pollution class: 3;
5. The installation category: III;
6. The circuit breakers should be installed in a place without explosive hazard, conductive dust and corrosion against metal and damage to insulation;
7. The circuit breaker shall be installed in the place without invasion of rain and snow;
8. The external magnetic field of the installation site shall not exceed 5 times of the geomagnetic field in any direction.
| Frame rated current Inm(A) | 125 | 250 | 400 | 630 | 630 large volume | 800 |
| Setting current Ir1 (A) | 65/80/100/ 125, adjustable | 100/125/140/ 160/180/200/ 225/250, adjustable | 160/200/225 /250/315/350 /400, adjustable | 400/440/480 /500/530/560 /600/630, adjustable | 400/440/480 /500/530/560 /600/630, adjustable | 400/500/630 /700/800, adjustable |
| Pole number | Three-phase four-wire (3P+N) | |||||
| Rated working voltage Ue | AC400V/50Hz | |||||
| Rated insulation voltage Ui | 1000V | 800V | ||||
| Rated impulse withstand voltage Uimp | 8kV | |||||
| Rated short-time withstand current Icw | 1.5kA/1s | 3kA/1s | 5kA/1s | 8kA/1s | 10kA/1s | 10kA/1s |
| Rated remaining action current gear I △n(mA) | 50, 75, 100, 150, 200, 300, 500, 800, 1000 (adjustable; can be turned off), default 500 | 100, 150, 200, 300, 500, 800, 1000 + OFF (adjustable, can be turned off), default 500 | ||||
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Zhejiang Tengen Electric Co., Ltd.
Sulv Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China, 325699
+86 21 3119 8727
marketing@tengen.com.cn
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