1. Working conditions. The altitude does not exceed meters.
． Ambient air temperature: -~+℃.
3. Relative air humidity: does not exceed when the ambient air temperature is +°C, and can have higher relative humidity at lower temperatures. When the average temperature of the wettest month is +℃, the monthly average maximum relative humidity is.
． The inclination between the mounting surface and the vertical surface shall not exceed. The installation category is usually Category III.
． The environmental pollution level is Level 3.
． A field whose vibration is not greater than 3 meters/second.
2. Main technical parameters
． Rated working voltage:
． Rated operating current:
3. Main circuit stage: stage
． Rated control current and voltage:,, 3 () frequency, open circuit control power supply voltage does not exceed
. The auxiliary contacts are: two normally open and two normally closed
. Vacuum interrupter: The outer shell is of ceramic structure
. Main contact parameters: Final pressure
Opening distance:
Overtravel:
. Working system and operating frequency: This contactor is suitable for eight-hour working system, intermittent working system and continuous working system. When continuing periodic working, the operating frequency is 3 times/short time (within) times
. Ultimate breaking capacity:
． Main circuit making and breaking capacity, making times and breaking times, times
. Electrical life: 10,000 times
． Mechanical life: 10,000 times
3. Overall dimensions:
: Installation dimensions~
． Weight:
CKG5-125/1140 AC vacuum contactor