JCZ3-3.6kV Indoor High-Voltage 3-Phase AC Vacuum Contactor – 400A/630A Magnetic Contactor for Industrial Motor & Transformer Control
The JCZ3-3.6kV series is a high-performance indoor 3-phase AC 50Hz vacuum contactor designed for electrical systems at or below the 3.6kV voltage level. Engineered for high-frequency switching and continuous operation, it provides reliable control for various applications, including three-phase motors, transformers, capacitors, and pure resistance loads. This magnetic contactor is ideal for industrial environments not subject to atmospheric overvoltage, offering a robust and safe solution for frequent circuit connecting and breaking in modern power distribution systems.
JCZ3-3.6kV Indoor High-Voltage 3-Phase AC Vacuum Contactor (400A/630A)
Product Overview
The JCZ3-3.6kV series is a premium indoor high-voltage electrical equipment designed for three-phase AC 50Hz power systems. It is specifically engineered for systems with a rated voltage of 3.6kV and below. This magnetic contactor is the ideal solution for frequent switching and continuous operation of various electrical loads, ensuring stable performance in modern industrial power distribution.
Core Advantages
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Versatile Load Control: Capable of managing diverse circuit types, including three-phase motors, transformers, capacitor banks, and pure resistance loads.
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High-Frequency Operation: Specially built for equipment requiring high-frequency switching and continuous running, provided they are not subject to atmospheric overvoltage.
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Reliable Arc Extinguishing: Features high-quality vacuum interrupters (white poles) that ensure safe and efficient circuit breaking.
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Robust Drive Mechanism: Equipped with a dependable electromagnetic drive and transmission system for long-term mechanical reliability.
Technical Specifications
| Item | Unit | Data (JCZ3-3.6) |
| Rated Operating Voltage | kV | 3.6 |
| Rated Working Current | A | 400 / 630 |
| Rated Frequency | Hz | 50 |
| Rated Closing Capacity | A | 10Ie (AC-4) |
| Rated Breaking Capacity | A | 8Ie (AC-4) |
| Rated Peak Withstand Current | A | 25Ie |
| Power Frequency Withstand Voltage (to ground) | kV | 25 |
| Lightning Impulse Withstand Voltage | kV | 40 |
| Mechanical Life | 万次 (10k times) | 30 |
| Electrical Life | 万次 (10k times) | 10 |
| Closing Time | ms | ≤ 200 |
| 3-Phase Non-Simultaneous | ms | ≤ 3 |
Standard Working Conditions
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Installation: Designed exclusively for indoor environments.
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Voltage Compatibility: Optimized for power systems at or below the 3.6kV threshold.
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Atmospheric Conditions: Best suited for areas protected from atmospheric overvoltage to ensure peak longevity.
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