HO Reed Switch delivers reliable train detection for model railway automation and layout control systems.

Featuring:

• Magnetic train detection: Activates when a magnet passes, enabling automated layout functions and signalling control.
• HO scale compatibility: Designed for HO model railway systems, suitable for analogue and DCC layouts.
• Layout automation support: Ideal for triggering signals, lights, relays, or accessories along your track.
• Compact sensor design: Small form factor allows discreet installation between sleepers or under track.

Model Dimensions (Approximate):

• Length: Not available – varies by manufacturer and installation method
• Width: Not available – compact sensor unit designed for concealed fitting
• Height: Not available – low-profile electronic component

Technical Specifications:

• Scale: HO (1:87)
• Brand: Not specified
• Motor Type: Not applicable
• Battery (vehicle): Not required – passive electrical switch component
• Transmitter batteries: Not required
• Run/Fly Time: Not applicable
• Drive / Propulsion: Not applicable
• Assembly: Simple installation required (track integration and wiring)
• Controller: Works with external controllers, relays, or DCC accessory modules
• Material: Plastic housing with internal reed switch contacts
• Included: Reed switch unit (pack contents may vary by listing)

Perfect for HO scale railway modellers and DCC users who want automatic train detection, lighting triggers, and signal control straight from track movement.

Gift Idea

This model makes a great gift for model railway hobbyists and layout builders aged 14+. Ideal for users upgrading from basic layouts to automated control systems. Wiring and installation tools required.

Why this model matters

A reed switch plays a key role in modern model railway automation. It allows trains to trigger events as they pass specific points on the layout. You can connect it to signals, station lighting, level crossings, or sound modules.

Many hobbyists use reed switches to build realistic operating sessions. For example, a passing freight train can automatically activate a yard signal or switch platform lights without manual input.

This adds operational realism and reduces the need for constant controller use.

How to use it

Install the reed switch under or between HO track sections. Position a small magnet under a locomotive or wagon to activate it.

Connect the switch to your chosen accessory circuit such as LEDs, relays, or a DCC accessory decoder.

Test placement before final fixing to ensure reliable activation. Basic soldering tools and wiring may be required depending on your layout setup.

This is an electronic model railway accessory. It requires basic wiring and is not a toy.