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power contactor/AC/low-voltage/capacitor

power contactor/AC/low-voltage/capacitor

power contactor/AC/low-voltage/capacitor

Product catalog summary
Application and Features
CJ19(16) Series switching capacitor contactors are designed for switching low voltage parallel capacitors. They are commonly used in reactive power compensation equipment with AC 50Hz and voltage up to 380V. These contactors include a surge current restraining device to minimize the impact of switch-on surge current and reduce instantaneous operating overvoltage during breaking. They are compact, lightweight, have strong breaking capacity, and are easy to install.
Service Conditions
  • Altitude: No more than 2000m
  • Ambient air temperature: -25℃ to +40℃
  • Relative humidity: Not exceeding 90% at +25℃
  • No corrosive gas, conductive dust, inflammable, or explosive medium present
  • Inclination between vertical and mounting surface: Not more than 5 degrees
  • Pollution Level: 3
  • Installation category: III
Main Technical Parameters
  • Controlled capacitor capacity (kvar) varies with voltage: 230V (6-32 kvar), 400V (12-50 kvar)
  • Rated insulation voltage: 500V
  • Rated working voltage: 380V
  • Conventional thermal current: 25-95A
  • AC-6b Rated working current: 17-72A
  • Control Coil voltage: 220/380V
  • Insulation level of Coil: B
  • Operating frequency: 120 times/hour
  • Electric life: 105 times
  • Mechanical life: 106 times
Installation and Maintenance
  • Ensure firm connection of inlet and outlet wires to avoid arcing between phases.
  • If surge current exceeds the contactor's capacity, replace the resistor before continuing use.
  • Discharge equipment insulation voltage should be more than 2Ue to prevent contact damage.
Ordering Information
When ordering, specify the model, specification, and coil voltage clearly, e.g., CJ19-32/11, coil voltage 380V, 24 pieces.
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Catalog excerpts

power contactor/AC/low-voltage/capacitor-1

CJ19(16) Series switching capacitor contactor 1.Application and feature CJ19(16)-25, 32, 43, 63, 85, 95 switching capacitor contactors are specially used for switching low voltage parallel capacitor,they are widely applied to reactive power compensated equipment with AC 50Hz,-voltage up to 380V,the contactor is equipped with restraining surge current device,it can reduce the impact to capacitor caused by switch-on surge current and step down instantaneous operating over voltage during breaking, it can take place of switch-over device that is composed of one piece contactor and three pieces current-limit reactors, it is small volume,light, strong breaking capacity, easy installation. 2.Service Conditions 2.1 Altitude :no more than 2000m 2.3 Relative humidity : not exceed 90% at +25°C 2.4 no corrosive gas,conductive dust,inflammable and explosive medium surrounded 2.5 the inclination between vertical surface and mounting surface is not more than 5 degree Voltage Current Switching capacitor contactor

 Open the catalog to page 1
power contactor/AC/low-voltage/capacitor-2

CJ19(16)-25.32.43A outline and installation size CJ19(16)-63.85.95A installation size The contact can be installed not only with screw,but also using standard rail fast belt embedded mode, the width of rail is 35mm for CJ19-25.32.43 contactor,the width of rail is 35mm or 75mm for CJ19(B)-63-85-95 contactor. 7.1 inlet and outlet wire of contactor must be connected firmly, avoid to arcing between phase to phase which caused by flashover during switching on,otherwise the contactor and device would be damaged 7.2 during capacitor switching on, if the surge current is too high, which exceed the...

 Open the catalog to page 2

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