Everything else / Bulk

Liyond Auxiliary Switches: : Status, Control, and Interlocking

Auxiliary switches are vital components in Medium and High Voltage (MV/HV) switchgear. Auxiliary switches serve as the electrical interface that translates the mechanical position of the main device into essential electrical signals for control, monitoring, and interlocking circuits. Liyond Electric provides a comprehensive range of high-quality auxiliary switches engineered for precise performance and long-term reliability.

Comprehensive Product Range

Liyond Electric offers a comprehensive range of auxiliary switch solutions to meet diverse interface and signal transmission requirements across high-voltage equipment. Our product lines are categorized by function and technical characteristics:

  • Mechanical Rotary Switches: Including F1, F6, F10, and similar series, these are driven by the main shaft rotation of the device. They support multi-contact layer configurations, making them suitable for general status feedback and complex circuit control.

  • Isolated and High-Reliability Switches: Such as the FK10 and ZKF6 series. The former features isolated contacts for harsh environments, while the latter applies advanced vacuum technology to provide exceptional reliability and ultra-long service life in MV/HV disconnector mechanisms.

  • Magnetic and Electromagnetic Switches: Including CSK and RCSK-1 series, these utilize magnetic technology for precise mechanical-to-electrical signal conversion and high-frequency operation, commonly used in complex automation and protection circuits.

  • Contactor and Permanent Magnet Apparatus Switches: The NK series is optimized specifically for MV vacuum contactor and permanent magnet mechanisms, providing accurate auxiliary contact functionality.

Selection and Ordering Information

To select the correct auxiliary contact switch for your application and guarantee proper interlocking, please consider the following parameters:

  1. Configuration (NO/NC): The required number of Normally Open and Normally Closed contact pairs (e.g., 4NO+4NC, 8NO+8NC).

  2. Rated Voltage: Specify the AC and DC control circuit voltages the switch must handle (e.g., AC 380V, DC 220V).

  3. Mounting Type: Confirm the mechanical interface (e.g., shaft mount, screw mount, plug-in type) to match your switchgear design.

  4. Rated Current: The maximum current required for the control circuit (e.g., 5A or 8A).

Location : Room 1801, Building 2,3,4, Headquarters Economy Park, No.6688, Xuyang Road, Chengdong Street, 325600 Yueqing, Zhejiang,
Contact : Liu Yinyan, +86 0577 62379399

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