QCC31 DC electromagnetic contactor is used as a non-polar switch in industrial and mining electric locomotives, subways, light rail vehicles, railway traction locomotives, and passenger vehicles, and as a tap changer contactor in the main and auxiliary circuits.
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| Rated voltage (V) | one thousand and five hundred | Closing time (mS) | ≤100 |
| Rated current (A) | 600,800 | Disconnect time (mS) | ≤50 |
| Maximum operating voltage (V) | one thousand and eight hundred | Number of auxiliary contacts | 2NC+2NC |
| Switching ability (A) | 4le | drive mechanism | electromagnetic |
| Mechanical lifespan (times) | 3*10six | Weight (kg) | twelve |
| Electrical lifespan (times) | tenfour | Dimensions (mm) | 383*81.5*375 |