Type Designation

Operating Conditions

1. Ambient temperature: -5℃~+40℃;
2. Air conditions: At mounting site, relative humidity not exceed 50% at the maximum temperature of +40℃. For the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature averaged in that month is +20℃,special measures should be taken to occurrence of condensation.
3. Altitude: ≤2000m;
4. Pollution grade: 2
5. Mounting category: III;
6. Mounting conditions: inclination between the mounting plane and the vertical plane not exceed ±5º;
7. The product should locate in the places where there are no obvious impact and shake.

Structure Features

1. The contactor is composed of arc-extinguishing system, contact system, base frame and magnetic system (including iron core, coil).
2. The contact system of the contactor is of direct action type and double-breaking points allocation.
3. The lower base-frame of the contactor is made of shaped aluminum alloy and the coil is of plastic enclosed structure.
4. The coil is assembled with the amarture to be an integrated one. They can be directly taken out from or inserted into the contactor.
5. It is convenient for user’s service and maintenance.