Customization: | Available |
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Function: | Industry, Turn Switch |
Structure: | Power Built-in Type |
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This series of vacuum contactors is designed for use in power networks with an AC frequency of 50Hz. The main circuit is rated for a voltage of 1140v, with a rated current of up to 630A. It is suitable for making, breaking, frequently starting, and controlling AC motors, as well as for forming magnetic starters with a variety of protection devices, such as the JDB electronic integrated protector, JR9 type over current protection device, and resistance-capacitance absorber. This contactor is especially suitable for forming anti-explosion magnetic starters.
Item | Unit | 63A | 80A | 125A | 160A | 250A | 400A | 630A |
Main circuit rated voltage | kV | 1.14 | ||||||
Main circuit rated current | A | 63 | 80 | 125 | 160 | 250 | 400 | 630 |
Main circuit making capacity | A/100times | 630 | 800 | 1250 | 1600 | 2500 | 4000 | 6300 |
Main circuit breaking capacity | A/100times | 504 | 640 | 1000 | 1280 | 2000 | 3200 | 5040 |
Main circuit P.F. withstand voltage | kV | 10 | ||||||
Electrical life AC3 | Ten-thousand times | 60 | ||||||
Electrical life AC4 | Ten-thousand times | 6 | ||||||
Mechanical life time | Ten-thousand times | 100 | ||||||
Rated operating frequency AC3 | times/h | 600 | ||||||
Rated operating frequency AC4 | times/h | 120 | ||||||
Short-time operating frequency(20s) | times/h | 2000 | ||||||
Clearance between open contacts | mm | 1.5±0.1 | 1.8±0.1 | 2.0±0.1 | 2.2±0.1 | |||
Over travel | mm | 0.8±0.1 | 1.0±0.1 | 1.0±0.1 | 1.0±0.1 | |||
Contact circuit P/F. withstand voltage | kV | 2 | ||||||
Closing time | ms | ≤100 | ||||||
Opening time | ms | ≤80 |