Description
High sensitivity 4 pole vacuum ac contactor for device protection has economical price. 100 times making capacity, 25 times breaking capacity, 3000000 times long electrical life.
Specification
| Model | ATO-CKJ5-400-1140 | |
| Rated voltage | Main circuit | 1140V |
| Control circuit (AC) | 36V, 110V, 220V, 240V, 380V | |
| Rated current | 400A | |
| Main contact parameter | Open distance | 2±0.5 mm |
| Over distance | ＞1.5 mm | |
| Final power | 120±20 N | |
| Power frequency withstand voltage | Main circuit | 4200V |
| Auxiliary circuit | 2500V | |
| Control circuit | 2000V | |
| Phase | 3 | |
| Frequency | AC 50Hz or 60Hz | |
| Making capacity | 10 le 100 times | |
| Breaking capacity | 8 le 25 times | |
| Max making & breaking capacity (A) | 4500 3 times | |
| Electric life | AC3 | 600000 times |
| AC4 | 20000 times | |
| Electrical life | 3000000 times | |
| Function | Device protection | |
| Electricity type | Vacuum | |
| Ambient temperature | -25℃ to 40℃ | |
| Packaging details | Standard package or according to customer’s requirements | |
| Weight | 11.3kg |
AC vacuum contactor outline and installation dimension (Unit: mm)
Tips: Structural characteristics of ac vacuum contactor
- The ac vacuum contactor is composed of a magnetic system, a contact system, and an auxiliary contact.
- The ac vacuum contactor is a three-dimensional structure, the upper part is the contact system, and the lower part is the electromagnetic system.
- The magnetic system of the ac vacuum contactor is composed of a coil, an iron core and a rectifier, and is installed in a base made of cast aluminum alloy or DMC.
- The ac vacuum contactor is a plane structure, the left part is the contact system, and the right part is the electromagnetic system.
- The contact system of the ac vacuum contactor is composed of moving and static contacts and a vacuum interrupter, which is installed in a base made of insulating materials.
- The vacuum interrupter adopts new contact materials for one-time sealing and discharge, and the electromagnetic system adopts DC double coils.
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