CHKC-N6S Series Intelligent Integrated Power Capacitor Compensation Device-Xinxiang Shengyuan Electric Co., Ltd.

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Product Overview

The CHKC series of intelligent integrated power capacitor compensation devices (plug-in type) is designed to align with the State Grid Corporation of China's "Q/GDW11221-2023" *Low-Voltage Integrated Distribution Technical Specification*. These smart reactive power compensation units are specifically tailored for low-voltage 0.4kV distribution networks, helping to reduce line losses, improve power factor, enhance power quality, and achieve energy savings and consumption reduction. Thanks to advanced communication technology enabling multi-device control, the system’s reliability in managing operations has been significantly enhanced. The intelligent capacitors feature multiple built-in protection mechanisms, including overcurrent, power-loss detection, harmonic protection, overheating prevention, pressure monitoring, and automatic trip functions in case of short circuits. Moreover, by integrating protection, switching, and compensation into a single compact unit, the overall footprint of the device has been dramatically reduced. This allows more high-capacity intelligent capacitors to be installed within the same capacitor cabinet, while also cutting down on installation time and making future capacity expansions far more convenient. These devices are ideally suited for automated reactive power compensation applications—whether deployed centrally, locally, or directly on pole-mounted lines.

Technical specifications

Altitude: ≤2000m;
Ambient temperature: -25 to 45°C, ≤80% relative humidity (at 25°C)
Environmental requirements: No harmful gases, no conductive or explosive dust, and no severe mechanical vibrations.

Rated voltage: 400V +20%, 50Hz ±5%

Capacitor capacitance degradation: ≤1% per year
Switch lifespan: 300,000 cycles
Power consumption: ≤6W
Control Method: RS485 Communication, RJ45 Interface

Capacitor Connector Terminal Diagram

Serial Number	Wire Connection Definition
1	Ua
2	Ub
3	Uc
4	One
5	Contact signal
6	Contact signal

Product Category

Serial Number	N6S (Plug-in) Series Product Models	Specifications	Voltage Harmonic Protection Protect	Electric current Harmonic Protection Protect	Overvoltage Protection	Overcurrent Protection	Temperature Protection	Installation dimensions	External dimensions Length × Width × Height
1	CHKC-N6S/250/18(2F+16F)/LCD	62 kVAR	✓	✓	✓	✓	✓	450x60	451x88x438
2	CHKC-N6S/250/20(4F+16F)/LCD		✓	✓	✓	✓	✓	450x60	451x88x438
3	CHKC-N6S/250/24(8F+16F)/LCD		✓	✓	✓	✓	✓	450x60	451x88x438
4	SYSVG-V2/P/400V/30kvar/4L	122kvar Includes SYSVG	✓	V	✓	✓	✓	450x60	451x88x438
5	CHKC-N6S/250/32F/LCD		✓	✓	✓	✓		450x60	451x88x438
6	CHKC-N6S/250/12(4F+8F)/LCD		✓	✓	✓	✓	J	450x60	451x88x438
7	CHKC-N6S/250/48(16F+32F)/LCD		✓	✓	✓	>	✓	450x60	451x88x438
8	CHKC-N6S/250/36(4F+32F)/LCD	124kvar Does not include SYSVG	✓	✓	✓	✓		450x60	451x88x438
9	CHKC-N6S/250/40(8F+32F)/LCD		J ✓	✓	✓	✓	✓	450x60	451x88x438
10	CHKC-N6S/250/48(16F+32F)/LCD		✓	✓	✓	✓		450x60	451x88x438