CKJ20 series AC L.V. vacuum contactor is used in electrical network with AC 50Hz or 60 Hz, rated main loop voltage 2kV, rated current 800A to connect and break the circuit and start and control AC machinal electromotor. Combining with sort of protecting equipment, it can also works as magnetic starter or explosion-proof magnetic starter.
It features of reliability, long lifetime, less maintenance, and safety. It has proven the very obvious economic benefit with this kind of product to replace the conventional products.
| Model | CKJ20-630/1140 | CKJ20-800/1140 |
| Main Circuit Rated Voltage (V) | 1140 | 1140 |
| Main Circuit Rated Current (A) | 630 | 800 |
| Main Circuit Joint Capability (A/100times) | 6000 | 6000 |
| Main circuit On-off Capability (A/10 times) | 4800 | 5000 |
| Limit breaking capacity (A/3 times) | 6000 | 6000 |
| Electrical life AC3 (times) | 60 | 60 |
| Electrical life AC4 (times) | 6 | 6 |
| Mechanical life (times) | 300 | 300 |
| Rated operating frequency AC3 (times/h） | 600 | 600 |
| Rated operating frequency AC4 (times/h） | 120 | 120 |
| Short-term operating frequency (times/h) (20S) | 2000 | 2000 |
| Contact opening (mm) | 2.5±0.3 | 2.5±0.3 |
| Overrange (mm) | ≥1 | ≥1 |
Equip your business with long-lasting switchgear components that respond to your needs and smoothen electrical operations at affordable costs.
Since 2011, Liyond has been dedicated to designing and manufacturing reliable and superior switchgear components, whilst providing impactful solution to customers all over the world.
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