Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A: Scale, Layout & Compatibility Guide

This page is devoted to Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A, the exact model train accessories sold under the Märklin record. The goal is practical identification: what the listing confirms, what remains unverified, and what a buyer or builder should compare before using the item.

How this release is identified

• Exact product: Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A
• Brand or vendor: Märklin
• Product type: Model Train Accessories
• SKU or catalog key: MRK7555
• Year appearing in the identity: 2026
• Variants reviewed: 1
• Product images indexed: 1

The recorded price at verification was $21.95 before shipping and tax. At least one variant was orderable when the record was checked.

A correct match requires more than recognizing the brand. The year 2026 belongs to the listing identity; it should not automatically be treated as the manufacturing date of the item. The item number MRK7555 provides the most efficient cross-check when another listing uses slightly different punctuation or wording.

Evidence taken from the live record

The live record provides the following product-specific information: “Use a magnet-equipped locomotive or car to trigger a layout function with Märklin 7555. This compact reed contact fits at a suitable location in K-track or C-track and switches as the vehicle-mounted magnet passes. Features and contents Reed contact switch for Märklin HO K-track or C-track. Length: 38 mm, approximately 1-1/2 in. Potential-free contact connections. Maximum switching current: 2 A. Requires a suitable magnet mounted under a locomotive or car. Compatible magnet options include 7556, 7557 and 7558, sold separately. Product details Manufacturer: Märklin Manufacturer part number: 7555 Scale: HO (1:87) Includes one reed contact switch with connection leads. Vehicle magnet, rolling stock, track and controlled equipment are not included. Mount the switch and magnet in the required positions and wire the contact to the intended…” The wording is treated as a source excerpt, not as a substitute for independent fit, scale or condition checks.

What matters for this kind of product

The title of Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A may contain scale, road number, body type or decoder family, but no single phrase settles compatibility. Use MRK7555 with the images and current documentation. A visually similar car can carry a different road number; a similarly named decoder can use a different interface.

Test new rolling stock or electronics on a controlled section before regular service. That isolates clearance, pickup, coupler-height and programming issues without disrupting the full layout.

Where similar listings differ

Use a consistent roster format: manufacturer, item number, road name, road number, scale, coupler standard, wheel notes and acquisition date. A complete roster is more useful than a title-only wish list when the same prototype appears in several releases.

If the exact item is intended for display rather than operation, the same identity fields still matter even when radius or control compatibility does not.

What to inspect in the product images

The gallery contains 1 indexed product image. Compare label text, package shape, visible contents, finish and any small identifying marks with the delivered item. A context image can show tools or related products that are not included, so the written record and selected option still control package contents.

The short decision checklist

• Use the complete name, not a shortened marketplace label.
• Use MRK7555 to prevent a near-match substitution.
• Read the variant and inventory state shown now.
• Confirm technical requirements from the current manufacturer source.
• Keep the receipt and one reference image with the product record.

Where it sits in the Muncle Mikes catalog

Model Trains & Train Sets · HO Scale Model Trains · Model Train Parts & Accessories · Märklin

Preserving the identity trail

Catalog the item under the complete title and MRK7555, then add the date received and the condition actually observed. For a project item, note where it was installed or how it was used. For a collectible, note package and display condition separately.

Retaining the exact identifiers protects the record when product titles or availability later change.

Gift considerations

The exact title makes this a specific rather than universal gift. Confirm that the recipient wants this release, quantity and format; a closely related item may not be interchangeable.

Final identity questions

Why does Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A have its own guide?

Because this product has a specific identity, image set and live offer that should not be merged into a roundup or broad brand article.

Is a contextual image a contents list?

No. Only stated components and the selected variant define what is included.

How can a later owner verify the item?

They can compare the title, item number MRK7555, package or item photographs and saved transaction record.

Decision summary: choose Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A when the complete identity, photographed details and intended use all match. The live page should settle current price and availability; this guide preserves the evidence needed to recognize the exact item.

Review the live Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A listing

Verified October 15, 2026 from the exact Shopify product record. Current price, options and availability remain controlled by the live listing.

Completing the evidence trail

To close the record for Märklin 7555 HO K/C-Track Reed Contact Switch, 38 mm, 2 A, pair item number MRK7555 with the live image and the stated vendor, Märklin. The listing classifies it as Model Train Accessories. Those details should agree before another product is treated as an equivalent option. Any unstated dimension, material, quantity or compatibility point remains a question rather than a fact.

Keep a dated arrival image and record how the item was stored, displayed, installed or used. If the product is altered, preserve a description of the starting state and the changes made. This exact-item history supports future maintenance, collection audits and repeat purchases while keeping observations separate from the manufacturer or seller’s original claims.