CKJ20 Series 630A-1250A Large current vacuum contactor
CKJ20 series of high current vacuum contactors
T
his series of vacuum contactors main used for AC 50-60hz, main circuit rated voltage 1.6kv below the rated current from 630a-1250a power network systems for remote making and breaking and frequent starting and control of AC motors, transformers and capacitor banks and other occasions.
Advantages: good interchangeability, reliable performance, maintenance-free, long life, at the same time, this series vacuum contactor is the ideal replacement product for the old kinds of contactor.
CKJ20 Series630A-1250A Large current AC vacuum contactor |
ModelTech parameter Parameter name |
| 630/1.6KV | 800/1.6KV | 1000/1.6KV | 1250/1.6KV |
Main circuit rated voltage (KV) | 1.6 | 1.6 | 1.6 | 1.6 |
Main circuit rated current (A) | 630 | 800 | 1000 | 1250 |
Main circuit making capacity (A/100times) | 6300 | 6300 | 8000 | 8000 |
Main circuit break-make ability (A/25times) | 5000 | 5000 | 6000 | 6000 |
Maximum break ability (A/3times) | 6300 | 6300 | 8000 | 8000 |
Electricity life AC3(times) | 60 0000 | 60 0000 | 60 0000 | 60 0000 |
Electricity life AC4 (times) | 10 0000 | 10 0000 | 10 0000 | 10 0000 |
Mechanical life (times) | 100 0000 | 100 0000 | 100 0000 | 100 0000 |
Rated operate frequency AC3 (times/h) | 300 | 300 | 300 | 300 |
Rated operate frequency AC4 (times/h) | 120 | 120 | 120 | 120 |
Clearance betweenopen contacts (mm) | 3±0.2 | 3±0.2 | 3±0.2 | 3±0.2 |
Over travel (mm) | 1.2±0.2 | 1.2±0.2 | 1.2±0.2 | 1.2±0.2 |
Secondary control voltage (v) | ACorDC:36 v 110v 127v 380vor can be customized |