Wacker Neuson 5200010539 DPDT Mom On Off Mom On Switch

The Wacker Neuson is a genuine OEM DPDT Mom On Off Mom On Switch designed for the RD27-100 and RD27-120 tandem rollers. As a direct factory replacement, this switch is manufactured to the exact electrical specification of the original component, ensuring proper circuit function and operator control. It fits both the RD27-100 and RD27-120 in Pro T4F and Basic T4F configurations, making it a versatile replacement for this roller family. When you need a verified fitment part backed by Wacker Neuson's OEM supply chain, the is the correct choice.

Key Features

• Correct Switching Geometry: — Double-pole double-throw (DPDT) momentary-on/off/momentary-on configuration matches the original switch exactly, preserving intended circuit behavior.
• Genuine OEM Electrical Spec: — Manufactured to the same contact rating, terminal layout, and actuation force as the factory-installed switch — no guesswork on resistance or output.
• Verified Fitment Across RD27 Variants: — Confirmed fit for RD27-100 and RD27-120 tandem rollers in both Pro T4F and Basic T4F configurations.
• Consistent Operator Control: — A correctly functioning switch delivers predictable, responsive machine operation; a worn or faulty switch can cause intermittent or failed control response on the roller.
• Electrical Safety Integrity: — OEM-grade contact materials and housing construction maintain proper circuit isolation, reducing the risk of unintended electrical faults in a demanding compaction environment.

A DPDT (double-pole double-throw) momentary switch controls two separate circuits simultaneously through a single actuator, with a center-off position and momentary-on action in both directions. On the RD27 tandem roller, this type of switch is used to manage operator control functions that require a brief signal input — the machine responds only while the switch is held, then returns to a neutral state. When this switch fails or becomes intermittent, the affected control function becomes unreliable or unresponsive, which can interrupt compaction operation and require the roller to be taken out of service until the fault is corrected.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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