TKDM1 Series Moulded Case Circuit Breaker, apply to the exchange of 50Hz, rated voltage 800V, rated voltage 690V and below rated current to 800A circuits, generally do distribution, for the distribution of power, protection of power lines and equipment from overload, short circuit and under voltage fault hazard, rated current 630A and below the circuit breaker can also be used as a motor protection, used in line is not frequent conversion and motor is not frequent starting places.

Operation conditions

1 Temlerature: -5°C~+40°C; the average value within 24h shall not exceed +35°C. For the circut breaker with thermo-magnetic release, +40°C is set to be the standard temperature for ratings.For  temperature noe between  -5°C~+40°C, please contact us for temperature compensation correction;

2 Altitude: not exceed 2000m(Please contact weth us for reduction coefficient if altitude at the mounted site exceed 2000m);

3 Pollution grade: Grade 3

4 Ari conditions: At mounting site, relative humidity not exceed 50% at the max temperature of +40°C, higher relative humidity is allowable ynder lower temperature. For example, RH could be 90% at +20°C, special measures should be taken to occurrence of dews

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