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CKG3-7.2 High Voltage Vacuum Contactor
CKG3-7.2 High Voltage Vacuum Contactor

CKG3-6kv(7.2kv)/10kv (12kv) High Voltage Vacuum Contactor

This series of high-voltage vacuum contactors, the AC vacuum contactors are suitable for power network system with AC 50-60HZ, 6kv(7.2kv), 10kv (12kv) main circuit rated voltage , and rated current from 160A to 1600A. This series of contactor is being applied in long-distance connection and breaking, as well as the frequent starting and controlling AC motors, transformers and capacitor banks and other occasions.

Feature
1

Good triphase synchronization, and stable mechanical characteristics.

2

Small closing bounce.

3

The resistance of the main circuit is ≤ 200 (μΩ) and the reliability is high.

4

Higher cost performace.

Parameter

Tech. parameters Unit 160、250/12(7.2) 400/12(7.2) 630/12(7.2) 800/12(7.2) 1250/12(7.2)
Main Circuit Rated voltage  (KV) 12(7.2) 12(7.2) 12(7.2) 12(7.2) 12(7.2)
Main Circuit Rated current  (A) 160、250 400 630 800 1000、1250
Main circuit making capacity (A/100times) 2500 4000 6300 8000 10000
Main circuit making and breaking capability (A/25times) 2000 3200 5000 6000 8000
Ultimate breaking capacity (A/3times) 4000 4500 6300 8000 10000
Mechanical life (10,000 times) 100 100 100 100 100
Mechanical lock life (10,000 times) 10 10 10 10 10
Electricity life AC3 (10,000 times) 25 25 25 25 25
Permanent magnet mechanism life (10,000 times) 20 20 20 20 20
Power frequency withstand voltage of main circuit (fracture) (KV) 42(32) 42(32) 42(32) 42(32) 42(32)
Phase-phase/phase-to-ground power frequency withstand voltage (KV) 42(32) 42(32) 42(32) 42(32) 42(32)
Lightning impulse withstand voltage level (LIWL) (KV) 75(60) 75(60) 75(60) 75(60) 75(60)
Rated operating frequency (times/h) 150 150 150 150 150
The operating frequency of the permanent magnet mechanism (times/h) 30 30 30 30 30
Terminal pressure (N) >100 >100 >100 >100 >100
Clearance between open contacts (mm) 6(5)±0.5 6(5)±0.5 6(5)±0.5 6(5)±0.5 6(5)±0.5
Overtravel (mm) 1.5±0.5 1.5±0.5 1.5±0.5 1.5±0.5 1.5±0.5
Main circuit resistance (μΩ) ≤200 ≤200 ≤200 ≤150 ≤150
Install
CKG3-7.2 High Voltage Vacuum Contactor
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