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Switch Heaters

Integrated rail heating system ensuring switch reliability under freezing conditions.

Overview

The Switch Heater system is designed to prevent point freezing and ensure reliable rail switching operation under severe winter conditions down to -40℃ with snow and ice.

The standard configuration includes rail heaters, control box, terminal junction box, and operation switch, with models available for both conventional and high-speed lines as well as retrofit options.

Key Features

  • 01
    High-Reliability Heating

    Optimized thermal transfer at rail contact points for rapid de-icing and reliable operation.

  • 02
    Intelligent Control

    Automatic operation based on temperature, humidity, and weather conditions; manual and remote modes supported.

  • 03
    Safety Protection

    Includes overcurrent, leakage, and grounding protection with circuit breakers and surge protectors.

  • 04
    Weatherproof Design

    Outdoor stainless-steel housing with IP-rated dust and water resistance for operation in harsh environments.

  • 05
    Easy Maintenance

    Modular components allow quick replacement and on-site inspection with alarm indication.

  • 06
    Model Variants

    Dedicated control boxes for conventional and high-speed lines, with retrofit packages for older installations.

Main Components

  • Switch Heater Main Unit

    Heating Unit (Main Body)

    · Integrated rail heater, distribution, and control module for concentrated heating in freezing sections.

    • Field Equipment
  • Terminal Junction Box

    Terminal Junction Box

    · Collects heater and sensor wiring. Waterproof housing with quick-replacement connectors.

    • Field Equipment
  • Control Box (Standard Line, New Model)

    Control Box (Standard Line / New Model)

    · Improved front panel design for single and three-phase use.

    · Inputs from temperature, humidity, and snow sensors; auto/manual operation with status and alarm display.

    • Control
  • Control Box (Standard Line, Legacy Model)

    Control Box (Standard Line / Legacy Model)

    · Replacement model compatible with existing installations, updated internal wiring and indicators to current standards.

    • Control
  • Control Box (High-Speed Line)

    Field Control Box (High-Speed Line)

    · Composed of Ground Control Panel (GCP) and Point Heater Control Box (PHCB).

    · Compliant with high-speed line standards for power, protection, and remote monitoring with redundancy options.

    • High-Speed Line