CKG3 6kV 7.2kV 10kV 12kV High Voltage Vacuum Contactor
Key attributes
| Brand | Wone Store |
| Model NO. | 6kV 7.2kV 10kV 12kV High Voltage Vacuum Contactor |
| Rated voltage | 12kV |
| Rated normal current | 250A |
| Rated frequency | 50/60Hz |
| Series | CKG3 |
Product descriptions from the supplier
Product Description
This series of high-voltage vacuum contactors, the AC vacuum contactors are suitable for power network system with AC 50-60HZ, 6kv(7.2kv), 10kv (12kv) main circuit rated voltage , and rated current from 160A to 1600A. This series of contactor is being applied in long-distance connection and breaking, as well as the frequent starting and controlling AC motors, transformers and capacitor banks and other occasions.
Features
Good triphase synchronization, and stable mechanical characteristics.
Small closing bounce.
The resistance of the main circuit is ≤ 200 (μΩ) and the reliability is high.
Higher cost performace.
Parameters
| Tech. parameters | Unit | 160、250/12(7.2) | 400/12(7.2) | 630/12(7.2) | 800/12(7.2) | 1250/12(7.2) |
| Main Circuit Rated voltage | (KV) | 12(7.2) | 12(7.2) | 12(7.2) | 12(7.2) | 12(7.2) |
| Main Circuit Rated current | (A) | 160、250 | 400 | 630 | 800 | 1000、1250 |
| Main circuit making capacity | (A/100times) | 2500 | 4000 | 6300 | 8000 | 10000 |
| Main circuit making and breaking capability | (A/25times) | 2000 | 3200 | 5000 | 6000 | 8000 |
| Ultimate breaking capacity | (A/3times) | 4000 | 4500 | 6300 | 8000 | 10000 |
| Mechanical life | (10,000 times) | 100 | 100 | 100 | 100 | 100 |
| Mechanical lock life | (10,000 times) | 10 | 10 | 10 | 10 | 10 |
| Electricity life AC3 | (10,000 times) | 25 | 25 | 25 | 25 | 25 |
| Permanent magnet mechanism life | (10,000 times) | 20 | 20 | 20 | 20 | 20 |
| Power frequency withstand voltage of main circuit (fracture) | (KV) | 42(32) | 42(32) | 42(32) | 42(32) | 42(32) |
| Phase-phase/phase-to-ground power frequency withstand voltage | (KV) | 42(32) | 42(32) | 42(32) | 42(32) | 42(32) |
| Lightning impulse withstand voltage level (LIWL) | (KV) | 75(60) | 75(60) | 75(60) | 75(60) | 75(60) |
| Rated operating frequency | (times/h) | 150 | 150 | 150 | 150 | 150 |
| The operating frequency of the permanent magnet mechanism | (times/h) | 30 | 30 | 30 | 30 | 30 |
| Terminal pressure | (N) | >100 | >100 | >100 | >100 | >100 |
| Clearance between open contacts | (mm) | 6(5)±0.5 | 6(5)±0.5 | 6(5)±0.5 | 6(5)±0.5 | 6(5)±0.5 |
| Overtravel | (mm) | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 | 1.5±0.5 |
| Main circuit resistance | (μΩ) | ≤200 | ≤200 | ≤200 | ≤150 | ≤150 |
Install
Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 1000m²
Total staff:
Highest Annual Export(usD): 300000000
Services
Business Type: Sales
Main Categories: Wire cable/High Voltage Electrical Apparatus/Low Voltage Electrical Apparatus/Instrument meters/New energy/Tester/Integrated Electrical Equipment/Production equipment/Generator/Electrical fittings/Instrument Transformer/Equipment Parts
Whole life care manager
Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.
The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.
Related Products
-
SVC series12kV/400A Vacuum Contactor
-
JCZ5 12kV High Voltage Vacuum Contactor
-
JCZ1-7.2kV(12kV) High Voltage Vacuum Contactor
-
CKG4(B) High Voltage Vacuum Contactor
-
JCZ8C-6kV/12kV Series Medium Voltage Vacuum Contactor
-
JCZ8G 10kV/12 kV Vacuum Contactor for high-altitude applications
-
600V-1.5kV Low-Voltage Vacuum Contactor
Related Knowledges
-
What Are the Handling Procedures After Transformer Gas (Buchholz) Protection Activation?What Are the Handling Procedures After Transformer Gas (Buchholz) Protection Activation?When the transformer gas (Buchholz) protection device operates, a thorough inspection, careful analysis, and accurate judgment must be carried out immediately, followed by appropriate corrective actions.1. When the Gas Protection Alarm Signal is ActivatedUpon activation of the gas protection alarm, the transformer should be inspected immediately to determine the cause of operation. Check whether it was causedFelix Spark11/01/2025 -
What Is THD? How It Affects Power Quality & EquipmentIn the field of electrical engineering, the stability and reliability of power systems are of paramount importance. With the advancement of power electronics technology, the widespread use of nonlinear loads has led to an increasingly serious problem of harmonic distortion in power systems.Definition of THDTotal Harmonic Distortion (THD) is defined as the ratio of the root mean square (RMS) value of all harmonic components to the RMS value of the fundamental component in a periodic signal. It isEncyclopedia11/01/2025 -
THD Overload: How Harmonics Destroy Power EquipmentWhen Actual Grid THD Exceeds Limits (e.g., Voltage THDv > 5%, Current THDi > 10%), It Causes Organic Damage to Equipment Across the Entire Power Chain — Transmission → Distribution → Generation → Control → Consumption. The Core Mechanisms Are Additional Losses, Resonant Overcurrent, Torque Fluctuations, and Sampling Distortion. Damage Mechanisms and Manifestations Vary Significantly by Equipment Type, as Detailed Below:1. Transmission Equipment: Overheating, Aging, and Drastically ReducedEcho11/01/2025 -
Harmonic THD Impact: From Grid to EquipmentThe impact of harmonic THD errors on power systems must be analyzed from two aspects: "actual grid THD exceeding limits (excessive harmonic content)" and "THD measurement errors (inaccurate monitoring)" — the former directly damages system equipment and stability, while the latter leads to improper mitigation due to "false or missed alarms." When combined, these two factors amplify system risks. The impacts span the entire power chain — generation → transmission → distribution → consumption — afEdwiin11/01/2025 -
Intelligent Electrical Room: Key Development TrendsWhat Is the Future of Intelligent Electrical Rooms?Intelligent electrical rooms refer to the transformation and upgrading of traditional electrical distribution rooms through the integration of emerging technologies such as the Internet of Things (IoT), big data, and cloud computing. This enables 24/7 remote online monitoring of power circuits, equipment conditions, and environmental parameters, significantly improving safety, reliability, and operational efficiency.The development trends of intEcho11/01/2025 -
How to Inspect an Electrical Room: Complete ChecklistElectrical Room Inspection: Content and PrecautionsThe electrical room is a critical facility for power equipment, responsible for power supply, distribution, and energy output. Therefore, regular inspection of the electrical room is an essential task.1. Electrical Room Inspection Content: Check the operation and lock of entry/exit doors, ensure door gaps are tight, and verify the floor is level and free of obstructions. Monitor the room’s temperature, humidity, and odor to ensure environmentalFelix Spark11/01/2025
Related Solutions
-
Dedicated Vacuum Contactor Solution for Port Shore Power SystemsI. Background and ChallengesShore power systems have become core technical equipment for ports to reduce carbon emissions and noise pollution. However, these systems face two major challenges in the harsh operational environment of ports:Severe Environmental Corrosion: High humidity and salt spray in port areas cause serious corrosion to metal components and enclosures of electrical equipment, significantly impacting electrical lifespan and operational reliability.High Switching Requirements:Wone Store09/13/2025 -
ABB Vacuum Contactor KC2 Power Supply System Technical Transformation PlanIssue OverviewThe 10kV air compressor starting system of a company utilizes the ABB vacuum contactor KC2 as the control component for the operating circuit. The dedicated wide-voltage power supply module paired with this contactor presents the following issues:Frequent failures: The power supply module fails to properly transition the voltage from 300V to 12V, resulting in fuse blowouts.Poor heat dissipation: Enclosed installation of the module leads to insufficient heat dissipation, accelerWone Store09/13/2025 -
Solution for Medium-Voltage Motor Control and Protection Using Vacuum Contactor-Fuse (VCF) in a Coal Conveying System1.Project BackgroundA coal conveying system comprises 15 belt conveyors driven by medium-voltage motors. The system operates under complex conditions, with motors often subjected to heavy loads and frequent starts. To address these challenges and achieve effective control and reliable protection during motor startup, the project comprehensively adopts Vacuum Contactor-Fuse (VCF) combination devices for the 6kV medium-voltage motor power distribution. This solution details the technical features,Wone Store09/13/2025
Haven't found the right supplier yet? Let matching verified suppliers find you.
Get Quotation Now
Send inquiry
Download
Get the IEE Business Application
Use the IEE-Business app to find equipment, obtain solutions, connect with experts, and participate in industry collaboration anytime, anywhere—fully supporting the development of your power projects and business.
