NewTrend / OEM · Low-voltage vacuum contactor
Product overview
The CKJ5 table retains separate main, control and auxiliary circuit data together with timing and mounting references.
Technical selection summary
| Listing / reference model | CKJ5-1250 / CKJ5-2000L reference |
|---|---|
| Product type | Low-voltage vacuum contactor |
Select the full current frame, operating voltage, coil/control supply and mounting version. AC-2 making/breaking tests and AC-3/AC-4 operating endurance are different conditions. Verify the exact contactor, enclosure, protective coordination and installation drawing.
Specify your enquiry
For a focused quotation, include:
- Complete model, configuration and quantity
- Operating voltage, current and application duty
- Coil / protection selection, mounting and wiring requirements
- Nameplate photograph and required technical documents
Product reference images and drawings
Use the matching model and version in the reference data. Confirm the applicable rating, test conditions and dimensions against the exact supplied unit.
| Model | CKJ5-1250/1140 | CKJ5-1250L/1140 | CKJ5-2000L/1140 | ||
| Reference Photo |  |  | | ||
| Main Circuit | Rated working current (Ie) | 800A, 1000A, 1250A | 800A, 1000A, 1250A | 1600A, 2000A | |
| Rated working voltage (Ue) | 1140V | ||||
| Rated frequency (fr) | 50/60Hz | ||||
| Rated making capacity (100 times) | 4Ie (AC-2) | ||||
| Rated breaking capacity (25 times) | 4Ie (AC-2) | ||||
| Withstand Voltage (power frequency) | 4200V | ||||
| Control circuit | Rated voltage (Us) | AC. 220/380V, DC. 110/220V | |||
| Withstand Voltage (power frequency) | 2000V | ||||
| Rated power (Ps) electric holding | absorbing | ≤1000VA | |||
| holding | ≤100VA | ||||
| Auxiliary circuit | Form | 3a+3b | |||
| Withstand Voltage (power frequency) | 2500V | ||||
| Rated value | AC 380V/5A, DC 380V/1A | ||||
| Main Contact Parameter | fixed – moving contact distance | 3.0±0.5mm | |||
| Overtravel | 1.0±0.2mm | ||||
| Rated operating frequency | Long-term (AC-3) | 600 times/h | |||
| Long-term (AC-4) | 300 times/h | ||||
| Short-term | 2000 times/h | ||||
| Mechanical endurance | 1,000,000 times | ||||
| Electrical endurance | AC-3 | 250,000 times | |||
| AC-4 | 30,000 times | ||||
| Mechanical characteristics | Closing time | ≤200ms | |||
| Original opening time | ≤160ms | ||||
| 3-phase synchronism | ≤3ms | ||||
| Closing tripping | ≤10ms | ||||
