RDC19(16) series switching capacitor contactor is suitable for AC 50Hz, rated power supply voltage up to 660V and below the power line, for low-voltage reactive power compensation equipment to put into or remove low-voltage parallel capacitors, the contactor is equipped with a surge suppression device, without the addition of an inductor to effectively suppress the impact of the capacitor's surge current and reduce the instantaneous overvoltage during opening.
This document describes the RDC19(16) series switch capacitor contactor, which is used in low‑voltage reactive power compensation systems up to 660 V AC. It includes the main technical parameters, physical dimensions, and the required installation conditions.
The manual also covers wiring diagrams, operation and maintenance procedures, and ordering information, helping users install, commission, and service the contactor safely and reliably. This manual is written in Chinese.
| Rated Working Voltage | 660 V |
|---|---|
| Rated Insulation Voltage | 660 V |
| Rated Current (kvar) | 25 kvar – 63 kvar (varies by model) |
| Coil Rated Voltage | 220 V / 380 V |
| Operating Temperature Range | -5 °C to +40 °C |
The contactor is rated for a working voltage up to 660 V AC.
Auxiliary contacts are offered in 25 A, 32 A, 43 A and 63 A versions.
The device can be installed in ambient temperatures from –5 °C to +40 °C.
Inspect all connections for integrity after transport and ensure the operating lever moves freely before energizing.