| Electricity Type: | AC |
|---|---|
| Number of Pole: | 3 |
| Phase: | 3 |
|
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Main Technical Parameters:
CKJ20-250 and CKJ20-400
| Model | CKJ20-250 | CKJ20-400 |
| Rated Voltage (V) (Main Circuit) | 2000 | 2000 |
| Rated Current (A) (Main Circuit) | 250 | 400 |
| Making Capacity (A/100 Times) (Main Circuit) | 2500 | 4000 |
| Making-Breaking Ca[acity (A/25 Times) (Main Circuit) | 2000 | 3200 |
| Ultimate Breaking Capacity (A/3 Times) | 3200 | 4000 |
| Electrical Life for AC3 (10000 Times) | 600000 | 600000 |
| Electrical Life for AC4 (10000 Times) | 60000 | 60000 |
| Mechanical Life (10000 Times) | 1000000 | 1000000 |
| Rated Operating Frequency for AC3 (Times Per Hour) | 600 | 600 |
| Rated Operating Frequency for AC4 (Times Per Hour) | 120 | 120 |
| Short Time Operating Frequency (Times Per Hour, 20s) | 2000 | 2000 |
| Clearance Between Open Contacts (mm) | 3±0.5 | 3±0.5 |
| Overtravel (mm) | ≥1 | ≥1 |
CKJ20-630 and CKJ20-800
| Model | CKJ20-630/1140 | CKJ20-800/1140 |
| Rated Voltage (V) (Main Circuit) | 1140 | 1140 |
| Rated Current (A) (Main Circuit) | 630 | 800 |
| Making Capacity (A/10 Times) (Main Circuit) | 6000 | 8000 |
| Making-Breaking Ca[acity (A/10 Times) (Main Circuit) | 4800 | 6400 |
| Ultimate Breaking Capacity (A/3 Times) | 6000 | 7500 |
| Electrical Life for AC3 (10000 Times) | 90 | |
| Electrical Life for AC4 (10000 Times) | 6 | |
| Mechanical Life (10000 Times) | 300 | |
| Rated Operating Frequency for AC3 (Times Per Hour) | 600 | |
| Rated Operating Frequency for AC4 (Times Per Hour) | 120 | |
| Short Time Operating Frequency (Times Per Hour, 20s) | 2000 | |
| Terminate Pressure (N) | 200 20 | 250 20 |
| Clearance Between Open Contacts (mm) | ≥2.5 | |
| Overtravel (mm) | ≥1 | |
| Weight (KG) | 15 | 17 |
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