LYC121 High Voltage Epoxy Resin Sensor for ABB Switchgear – Pillar Insulator Type Charged Display Sensor

The LYC121 is a high-precision charged display sensor specifically engineered for ABB switchgear and compatible high-voltage power distribution systems. Manufactured through a premium vacuum-cast epoxy resin process, this component functions as both a high-strength pillar insulator and a voltage detection unit. Its unique stepped-shed design provides superior creepage distance, while the triple-threaded metal inserts at the top ensure a secure and stable connection to the busbar. The LYC121 extracts real-time voltage signals to drive charged indicators and mandatory safety locking networks, making it an essential safety feature for preventing accidental entry into live compartments.

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LYC121 High Voltage Sensor (Epoxy Resin Charged Display Sensor for ABB)

Product Overview

The LYC121 is a high-performance, pillar-type high-voltage sensor designed specifically for ABB switchgear and compatible power distribution systems. This sensor utilizes an internal capacitor core rod to extract voltage from live circuits, providing the necessary signal for charged state realization and safety locking networks. Beyond its sensing capabilities, its robust construction allows it to serve as a high-strength pillar insulator for supporting busbars and other electrical components.

Core Features & Technical Advantages

  • ABB Switchgear Compatibility: Specialized design for seamless integration and performance within ABB series high-voltage cabinets.

  • Dual-Function Design: Operates simultaneously as a reliable mechanical support insulator and an accurate voltage sensing unit.

  • Stepped-Shed Geometry: Features a unique tiered disk structure designed to maximize creepage distance and optimize space within compact switchgear environments.

  • Safety Forced Locking: Provides critical voltage signals to drive mandatory safety locking systems, preventing unauthorized or accidental entry into live compartments.

  • Premium Epoxy Resin Construction: Vacuum-cast from high-grade epoxy resin to ensure superior dielectric strength, high mechanical intensity, and excellent arc resistance.

  • Enhanced Connection Interface: Equipped with three reinforced metal threaded inserts at the top for secure, high-stability electrical and mechanical mounting.

  • Optimized Electrical Stability: Engineered for long-term grid safety with minimal partial discharge and stable performance across standard operating conditions.

Selection details for LYC121 High Voltage Epoxy Resin Sensor for ABB Switchgear

To confirm the required switchgear insulator or sensor configuration for your project, include:

  • Equipment voltage class, sensor/insulator function and installation drawing
  • Fixing dimensions, conductor interface and signal/indicator connection if applicable
  • Required insulation performance and operating environment

Drawings and quotation requirements

Send the model reference, application, quantity and destination country together with the relevant drawing or existing equipment information. Confirm the selected configuration against a model-specific drawing and ratings sheet before ordering; request the applicable test documentation for your project requirements.

Request model confirmation and a technical quotation · Compare related Switchgear Insulator And Sensor / Switchgear Insulation Accessories.

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