433MHz Wireless Relay Switch Module 1CH – AC 85-250V Universal
433MHz Wireless Relay Switch Module 1CH – AC 85-250V Universal
433MHz Universal Wireless Remote Control Relay Switch Receiver Module
Take control of your garage door, gate motor, lighting, automated curtains, or any AC-powered device — all from a distance. This 433MHz single-channel (1CH) wireless relay receiver module works with virtually any standard 433MHz RF remote, supports three flexible trigger modes, and runs directly off AC mains power (85V–250V). No separate power adapter needed. Made in Mainland China.
Key Features
- Universal Compatibility: Works with most 433MHz RF remote controls — pair it with your existing remotes or add new ones easily.
- Wide Voltage Range: Accepts AC 85V–250V input, making it suitable for both 110V and 220V/230V mains supplies worldwide.
- Three Trigger Modes: Momentary, Toggle, and Latching — choose the mode that best suits your application.
- NO / COM / NC Output Terminals: Flexible relay output lets you wire it for normally-open or normally-closed circuits.
- Low Quiescent Current: Only 5mA standby draw — energy efficient and always ready.
- Easy Code Learning: Simple one-button pairing process; supports multiple remotes. Clear all paired codes in seconds.
- RoHS Certified: Compliant with environmental safety standards.
- Wide Application: Garage doors, gate motors, electric locks, lighting control, motorized curtains, and more.
Technical Specifications
| Frequency | 433 MHz (RF) |
| Input Voltage | AC 85V – 250V (110V / 220V compatible) |
| Channels | 1 Channel (1CH) |
| Output Terminals | NO, COM, NC |
| Quiescent Current | 5mA |
| Wireless Protocol | RF (Radio Frequency) |
| Certification | RoHS |
| Origin | Made in Mainland China |
Working Modes Explained
Momentary Mode
Press and hold the remote button — the relay connects. Release the button — the relay disconnects immediately. Ideal for short-duration activations like doorbells or pulsed gate triggers.
Toggle Mode
Press once to connect the relay; press again to disconnect. Great for lights or devices you want to switch on and leave on until you choose to turn them off.
Latching Mode
Assign two separate remote buttons: Button A = ON, Button B = OFF. The relay stays in its last state until the opposite button is pressed. Perfect for gate or door motors that need a dedicated open/close command.
How to Pair & Clear Codes
- Momentary Pairing: Press the learning key once → LED turns off (learning state) → press remote button → LED flashes then off → after 3 seconds LED turns on = paired successfully.
- Toggle Pairing: Press the learning key twice → same LED sequence as above → paired successfully.
- Latching Pairing: Press the learning key three times → LED flashes and turns off → press Button A (LED flashes 5×) → press Button B (LED flashes 5×) → after 3 seconds LED on = paired successfully.
- Clear All Codes: Press the learning button 8 times consecutively — all paired remotes are removed.
Common Applications
- Garage door and driveway gate automation
- Electric door and access control systems
- Automated curtain and blind motors
- Remote lighting control (indoor & outdoor)
- General AC switching and home automation projects
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Frequently Asked Questions
Q: What remote controls are compatible with this 433MHz relay receiver module?
A: This relay receiver is compatible with virtually any standard 433MHz RF remote control transmitter. You can pair it with most off-the-shelf 433MHz remotes. It supports learning up to multiple remote codes (depending on memory capacity), and you can clear all codes and re-pair at any time using the learning button.
Q: Can this relay module handle both 110V and 220V AC power?
A: Yes. The module accepts a wide AC input voltage range of 85V to 250V, making it fully compatible with standard 110V North American circuits as well as 220V/230V European and international mains supplies — no additional adapter or transformer required.
Q: What is the difference between Momentary, Toggle, and Latching modes?
A: In Momentary mode, the relay is active only while you hold the remote button — releasing the button opens the relay. In Toggle mode, one press closes the relay and a second press opens it, so the device stays on between presses. In Latching mode, you assign two separate buttons: one to close (ON) and one to open (OFF) the relay, which is ideal for gate or garage door motors that need distinct open and close commands.
Q: How do I wire the relay output to my device?
A: The module provides three output terminals: NO (Normally Open), COM (Common), and NC (Normally Closed). For most switching applications, connect your load between the NO and COM terminals — the circuit will close when the relay activates. Use the NC and COM terminals if you need the circuit to open when the relay activates. Always ensure your load's current and voltage ratings are within the relay's specified limits.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.