The CJ19i Series is a family of capacitor contactors designed for automatic power factor correction and reactive power control in electrical distribution systems. These contactors are optimized for frequent switching of capacitor banks in commercial and industrial panels, offering reliable performance, low coil power consumption, and reduced switching wear. The design complies with IEC 60947-4-1 / GB 14048.4 standards and provides robust operation in AC power systems.
Technical Specifications (Series Overview)
Model Identification
Specification
Details
Series
CJ19i
Product Type
Capacitor Contactor
Standards Compliance
IEC 60947-4-1 / GB 14048.4
Mounting
Panel mount / DIN rail adapter
Control Circuit
AC control coil
Electrical Ratings
Parameter
Specification
Rated Operational Voltage (Ue) – Main Circuit
400 / 415 / 440 V AC
Rated Control Voltage (Coil)
AC 24 V, 36 V, 110 V, 220 V, 380 V AC (50/60 Hz)
Frequency
50 / 60 Hz
Rated Insulation Voltage (Ui)
1000 V AC
Rated Impulse Withstand Voltage (Uimp)
6 kV
Number of Poles
3P (standard for capacitor switching)
Capacitor Switching Ratings
Model
Rated Current (A)
Rated Voltage (V AC)
Rated Capacitance (µF)
CJ19i-12
12 A
400 V AC
6–12 µF (approx., dependent on application)
CJ19i-18
18 A
400 V AC
12–18 µF
CJ19i-25
25 A
400 V AC
18–25 µF
CJ19i-32
32 A
400 V AC
25–32 µF
CJ19i-40
40 A
400 V AC
32–40 µF
CJ19i-50
50 A
400 V AC
40–50 µF
CJ19i-63
63 A
400 V AC
50–63 µF
Capacitor µF values depend on system voltage and switching requirements; verify with design conditions.
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