Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Kasa Smart 3-Way Switch HS210 KIT. The HS210 Smart Switch Kit is designed to easily replace traditional 3-way switches commonly found in living rooms, halls, or stairways where two switches control the same light. The kit includes two smart switches specifically designed for seamless integration with 3-way wiring. The Kasa app facilitates step-by-step installation, Wi-Fi connectivity, and remote control. It also supports hands-free control via Amazon Alexa and Google Assistant.
What's in the Box
- HS210 Smart 3-Way Switch (2 units)

Image: Kasa Smart 3-Way Switch HS210 KIT retail packaging, showing two white smart switches.
Safety Information
Before installing, servicing, or removing the switch, read and follow all safety precautions, including the following:
- CAUTION: Risk of Electric Shock – More than one disconnect switch may be required to de-energize the equipment before servicing. Ensure power is off at the circuit breaker before removing or installing any switch.
- Always use a non-contact voltage tester to ensure the power is off.
- The Smart Switch must be installed and used in accordance with the National Electrical Code (NEC) or your local electrical code.
- Consult a qualified electrician if you are unfamiliar with these codes and requirements, or are uncomfortable performing the installation.
- Do not install the Smart Switch with wet hands or when standing on wet or damp surfaces.
- Requires a neutral wire for proper operation.
- Operating Voltage: 120 Volts, Current Rating: 15 Amps.
Setup and Installation
The Kasa Smart 3-Way Switch HS210 KIT is designed for straightforward installation with the Kasa app guiding you through each step. Ensure you have a neutral wire available in your electrical box and a 2.4GHz Wi-Fi network.
Pre-Installation Checklist:
- Verify neutral wiring is present.
- Ensure your Wi-Fi network is 2.4GHz.
- Gather necessary tools: screwdriver, voltage tester.
Installation Steps:
- Turn Off Power: Locate the circuit breaker controlling the light switch and turn it OFF. Verify power is off using a voltage tester.
- Remove Old Switches: Carefully remove the existing 3-way switches from the wallbox. Identify and label the Line, Load, Neutral, Traveler, and Ground wires.
- Connect Kasa Smart Switches: Follow the wiring diagrams provided in the Kasa app or the included Quick Start Guide. Connect the wires to the corresponding terminals on the Kasa Smart Switches. Ensure the neutral wire is connected.
- Secure Switches: Gently push the connected switches into the wallbox and secure them with screws.
- Install Faceplate: Attach the included screwless faceplate.
- Restore Power: Turn the circuit breaker back ON.
- Download Kasa App: Download the Kasa Smart app from the App Store or Google Play.
- Add Device: Open the Kasa app, tap the '+' icon, and follow the on-screen instructions to add your new HS210 Smart Switches to your home network.

Image: Visual representation of Kasa Smart 3-Way Lighting Control, illustrating how two switches control the same light.
Video: Detailed guide on installing the Kasa Smart 3-Way Light Switch Kit, showing wiring and setup.
Video: Instructions on how to connect Kasa Smart devices to the Kasa app for initial setup and control.
Operating Instructions
Your Kasa Smart 3-Way Switch offers multiple ways to control your lighting:
- App Control: Use the Kasa or Tapo app on your smartphone to turn lights on/off from anywhere, whether you are at home, in the office, or on vacation.
- Voice Control: Enjoy hands-free control by connecting your switches with Amazon Alexa or Google Assistant. Simply use voice commands to manage your lights.
- Scheduling: Set custom schedules and timers to automatically turn your lights on and off. This feature is ideal for daily routines or enabling 'away mode' to randomly switch lights, creating the illusion of occupancy.
- Grouping: Combine your smart switch with other Kasa Smart devices within the app for seamless control with a single tap.
- Manual Control: The physical switch still functions as a traditional light switch for direct control.

Image: Overview of Kasa Smart features, including smart actions, voice control, remote control, grouping, monitoring, away mode, and scheduling.

Image: Scene depicting voice control in action, with an Amazon Echo device responding to a command to turn on lights.

Image: Illustration of remote control, showing a user managing lights via the Kasa Smart app from a remote location.

Image: Depiction of the grouping feature, allowing control of multiple Kasa Smart devices simultaneously through the app.
Video: A brief overview of the Kasa Dimmer and Switch, highlighting their key features and ease of use.
Maintenance
To ensure optimal performance and longevity of your Kasa Smart 3-Way Switches, follow these simple maintenance guidelines:
- Cleaning: Gently wipe the switch and faceplate with a soft, dry cloth. Avoid using harsh chemicals, abrasive cleaners, or excessive moisture, as these can damage the finish or internal components.
- Connection Check: Periodically, ensure that the faceplate is securely attached and that there are no visible signs of damage to the switch or wiring. If you notice any loose connections or damage, consult a qualified electrician.
- Firmware Updates: Keep your Kasa app and switch firmware updated to the latest versions. Updates often include performance improvements, bug fixes, and new features. The app will typically notify you when updates are available.
Troubleshooting
If you encounter issues with your Kasa Smart 3-Way Switch, try the following troubleshooting steps:
- No Power/Light Not Responding:
- Check the circuit breaker to ensure power is ON.
- Verify that the neutral wire is correctly connected. This is a common requirement for smart switches.
- Ensure all wiring connections are secure.
- Wi-Fi Connectivity Issues:
- Confirm your Wi-Fi network is 2.4GHz. Kasa Smart Switches do not support 5GHz networks.
- Ensure the switch is within range of your Wi-Fi router.
- Restart your Wi-Fi router.
- Perform a factory reset on the switch (refer to the Kasa app or Quick Start Guide for specific steps) and attempt to re-add it to the app.
- App Control Problems:
- Ensure your smartphone is connected to the internet.
- Verify that the Kasa app is updated to the latest version.
- Log out and log back into your Kasa account.
- Voice Control Not Working:
- Ensure your Kasa account is properly linked to your Amazon Alexa or Google Assistant account.
- Check the device names in both the Kasa app and your voice assistant app to ensure they match and are easily recognizable.
- Try re-discovering devices in your voice assistant app.
Specifications
| Feature | Specification |
|---|---|
| Model Number | HS210 KIT |
| Brand | Kasa Smart |
| Operating Voltage | 120 Volts |
| Current Rating | 15 Amps |
| Operation Mode | ON-OFF-ON |
| Circuit Type | 3-way, 1-way |
| Actuator Type | Push Button |
| Wireless Type | 2.4GHz Wi-Fi (IEEE 802.11b/g/n) |
| System Requirement | Android 5.0 or higher, iOS 10 or higher |
| Certifications | UL Certified |
| Product Dimensions | 5.1 x 2.76 x 6.3 inches |
| Item Weight | 11.09 ounces |

Image: Detailed dimensions of the Kasa Smart HS210 switch for installation planning.
Warranty and Support
Kasa Smart products are designed for reliability and user satisfaction. The HS210 KIT typically comes with a 2-year warranty, providing peace of mind for your smart home investment.
For further assistance, technical support, or warranty claims, please visit the official Kasa Smart website or refer to the contact information provided in your product packaging. Kasa is trusted by millions of users for its robust smart home solutions.







