SwitchBot Smart Relay Switch 2PM Instruction Manual

1. Introduction

The SwitchBot Smart Relay Switch 2PM is a compact device designed to convert traditional switches and appliances into smart, controllable units. It features power metering, dual light control, and a built-in Bluetooth repeater, offering compatibility with various smart home ecosystems including Alexa, Apple Home, Google Home, and Matter (hub required for some integrations). This manual provides detailed instructions for safe installation, operation, and maintenance of your device.

Image 1: SwitchBot Smart Relay Switch 2PM and its packaging.

2. Safety Information

WARNING: Electrical installation should only be performed by qualified personnel. Always turn off power at the circuit breaker before beginning any electrical work.

• Ensure the main power supply is disconnected before installation or maintenance.
• Follow all local electrical codes and regulations.
• Do not exceed the maximum load ratings of the device (16 Amps).
• The device features V0 flameproof casing and includes over-temperature and overload protection.
• After a power outage, the switch will restore to its previous state.

3. What's in the Box

• Relay Switch 2PM (x1)
• User Manual (x1)
• Warranty Card (x1)

4. Product Features

• Matter Compatibility: Supports Apple Home, Alexa, Google Home, and SmartThings (compatible speaker/hub required).
• Dual Light Control: Control two separate circuits from a single device.
• Power Metering: Monitor energy consumption and power usage with detailed graphs and 2-year app data cache.
• Compact Design: Measures 1.65 x 1.45 x 0.63 inches, fitting most standard switch boxes.
• Built-in Bluetooth Repeater: Extends the range for up to 10 SwitchBot Bluetooth sub-devices.
• Multiple Control Options: Remote control via Wi-Fi, local control via Bluetooth, voice control, timers, and smart scenes.
• Safety Features: V0 flameproof casing, over-temperature, and overload protection.

Image 2: Key features of SwitchBot Smart Relay Switch 2PM, including Matter support, Bluetooth repeater, and home automation compatibility.

Image 3: The device is Matter Certified and compatible with Alexa, Google Home, Siri Shortcuts, IFTTT, and SmartThings.

Image 4: The Relay Switch 2PM can expand your smart home network range by working with other SwitchBot Bluetooth devices and hubs.

5. Setup and Installation

This section guides you through the physical installation and initial setup of your SwitchBot Smart Relay Switch 2PM. It is recommended to watch the installation video for a visual guide.

5.1. Pre-Installation Checklist

1. Ensure you have basic electrical knowledge or consult a professional electrician.
2. Gather necessary tools: screwdriver, wire strippers, electrical tape (optional).
3. Identify the circuit breaker controlling the switch you intend to automate.
4. Turn off the power to that circuit at the main electrical panel. Verify with a voltage tester that there is no power.

5.2. Wiring Instructions (AC Power Supply)

The SwitchBot Smart Relay Switch 2PM requires a neutral wire for operation. The wiring diagrams below illustrate common configurations.

1. Disconnect Existing Wires: Carefully remove the existing switch from the wall box. Disconnect the wires from the switch, noting their original connections.
2. Connect Load Wires: Connect the load wires (wires going to the light fixture or appliance) to the O1 and O2 terminals on the Relay Switch 2PM. Use a screwdriver to secure the connections.
3. Connect Neutral Wire: Connect the neutral wire (typically blue or white) from the wall box to the N terminal on the Relay Switch 2PM.
4. Connect Live Wire: Connect the live wire (typically brown or black) from the wall box to the L terminal on the Relay Switch 2PM.
5. Connect Switch Wires: Connect the wires from your physical wall switch to the S1 and S2 terminals on the Relay Switch 2PM. The S1 terminal controls O1, and S2 controls O2.

Image 5: Wiring diagram for Switch Mode, showing connections for Live (L), Neutral (N), Outputs (O1, O2), and Switch Inputs (S1, S2).

Image 6: Wiring diagram for Cover & Shade Mode, showing connections for Live (L), Neutral (N), Outputs (O1, O2), and Switch Inputs (S1, S2) for controlling blinds or shades.

5.3. Reinstallation and Power On

1. Carefully tuck all wires and the Relay Switch 2PM into the wall box.
2. Reinstall the wall switch and cover plate.
3. Restore power at the circuit breaker.

5.4. App Pairing and Firmware Update

1. Download the SwitchBot app from your device's app store.
2. Open the app and follow the on-screen instructions to add the Relay Switch 2PM.
3. Ensure the device's firmware is updated to the latest version for optimal performance and Matter compatibility.

6. Operating Instructions

The SwitchBot Smart Relay Switch 2PM offers multiple ways to control your connected devices.

6.1. Manual Control

You can continue to use your existing physical wall switch to turn connected lights or appliances on and off.

6.2. SwitchBot App Control

Use the SwitchBot app on your smartphone to remotely control the Relay Switch 2PM. The app allows you to:

• Turn circuits on/off.
• View real-time power consumption data.
• Set schedules and timers for automated operation.
• Create custom smart scenes with other SwitchBot devices.

Image 7: The SwitchBot app interface showing dual light control and device status.

Image 8: The SwitchBot app and a laptop screen showing detailed energy usage monitoring from the Relay Switch 2PM.

6.3. Voice Control

Integrate the Relay Switch 2PM with compatible voice assistants for hands-free control.

• Alexa: "Alexa, turn off the light."
• Google Home: "Hey Google, close the curtain."
• Apple Home (Siri): "Hey Siri, turn on the fan."

Image 9: Voice control integration with Alexa and Google Home for managing lights and curtains.

6.4. Smart Scenes and Automation

Create automated routines by pairing the Relay Switch 2PM with other SwitchBot sensors and devices.

• Automatically turn on lights when a door opens (requires SwitchBot Contact Sensor).
• Automate garden irrigation based on temperature and humidity (requires SwitchBot Meter).
• Control roller shutters or shades based on temperature changes (requires SwitchBot Meter Pro).

Image 10: Smart home lighting automation, where lights turn on as a person enters.

Image 11: Automated curtain control for energy saving, based on temperature readings from a SwitchBot Meter Pro.

7. Maintenance

The SwitchBot Smart Relay Switch 2PM requires minimal maintenance.

• Keep the device free from dust and moisture.
• Do not attempt to open or repair the device yourself. Refer to qualified service personnel.
• Regularly check for firmware updates through the SwitchBot app to ensure optimal performance and security.

8. Troubleshooting

• Device not responding: Ensure the power is on at the circuit breaker. Check wiring connections. If using Bluetooth, ensure your phone is within range. If using Wi-Fi, check your router and internet connection.
• Matter connection issues: Ensure the device firmware is up to date. Verify that you have a compatible Matter hub (e.g., Apple HomePod mini, HomePod 2, AppleTV 4k 128GB, Amazon Eero Pro routers). For 2.4GHz Wi-Fi devices, temporarily disabling 5GHz on merged networks might help during initial setup.
• Wi-Fi disconnection: Ensure the device is within range of your 2.4GHz Wi-Fi network. Check for network interference or router issues.
• Power metering not showing data: Ensure the device is connected to Wi-Fi for data upload. Check app settings for data display.

9. Specifications

Image 12: The compact size of the SwitchBot Relay Switch 2PM, designed to fit into various wall switch boxes.

10. Warranty and Support

For warranty information and technical support, please refer to the included Warranty Card or visit the official SwitchBot website. You can also contact SwitchBot customer service for assistance with product setup, troubleshooting, or any other inquiries.