Description
Overview:
This genuine DeWalt/Black & Decker switch (OEM No. N189271) is a direct replacement for the trigger/power control unit used in the DeWalt DCS391N-XJ cordless circular saw. Built with a durable polymer body and metal contacts, it restores reliable on/off control and consistent performance when the original switch has worn, become intermittent, or failed. As a like-for-like part, it maintains the saw's original feel and function without modification. Designed for frequent use on site or in the workshop, it supports safe, predictable power control, helping to protect both the user and the tool. For owners of the DCS391N-XJ, this replacement switch is a practical solution to extend service life and keep the saw working to manufacturer standards.
Key Features:
- Genuine DeWalt/Black & Decker part for assured fit and performance
- OEM reference N189271 for straightforward identification and ordering
- Direct-fit replacement for DCS391N-XJ with no alterations required
- Robust polymer housing and quality contacts for dependable switching
- Helps cure intermittent power, failed trigger action, or poor engagement
- Supports safe operation by restoring consistent on/off control
- Designed for regular jobsite use and repeated duty cycles
- Straightforward installation using existing wiring and fixings
- Maintains original tool ergonomics and trigger feel
- Suitable for preventative maintenance to minimise downtime
Typical Applications:
Used to replace a worn or faulty switch in the DeWalt DCS391N-XJ cordless circular saw. Ideal for restoring reliable trigger function in tools used for framing, decking, roofing cuts, sheet work, and general carpentry where consistent start/stop control is essential.
Also known as:
Circular saw trigger switch, saw on/off switch, power switch assembly, trigger module, tool switch, DeWalt saw switch, switch assembly for cordless circular saw.
Fits Models:
DCS391N-XJ
Alternate Part Numbers:
N189271
Product Specifications
| L&S Part No. | N189271 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Black & Decker |
| OEM No. | 189271 |
| Unit of Sale | 1 |
| Machine Type | Circular Saw |
| Fits Brands | Black & Decker |
| Key Features | - Genuine DeWalt/Black & Decker part ensures correct fit - OEM No. N189271 for easy identification - Direct replacement for DCS391N-XJ, no modifications needed - Durable polymer body with metal contacts - Restores reliable on/off control for safe operation |
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