4 Channel Relay Card + Remote 12V
Take one remote and give one to a friend, coworker or family member so you both can turn on/off up to 4 devices in your home wirelessly! Just connect 12V of power to the Easy to use and since these remotes use radio signals, you don't have to point the remote at the relay board. This is a really important feature if you want to put the relay module out of sight, such as behind a washing machine, in a project box, or hard to reach areas.
Quick Spec
- Working Voltage: 12V DC
- Current:Standby ≤10mA, Working ≤128mA
- Receiver Frequency: 433MHz
- Receiving Sensitivity: -105dB
- Output State: Dip Switch selectable
- Max Load: 5A Relay 220V AC
- Receiver Board Size: 68 × 48 × 13mm
- Case Size: 75 × 55 × 30mm
Wiring Diagram


Learning Method
- Momentary Mode: Press the learning key button on the receiver board once (LED indicator on the receiver board will flash simultaneously), then press any of the remote buttons. LED indicator flashes 3 times on the receiver, indicating momentary mode successfully paired.
- Toggle Mode: Press the learning key button on the receiver board twice (LED indicator on the receiver board will flash simultaneously), then press any of the remote buttons. LED indicator flashes 3 times on the receiver, indicating toggle mode successfully paired.
- Latching Mode: Press the learning key button on the receiver board three times (LED indicator on the receiver board will flash simultaneously), then press the first remote button, followed by the second remote button. LED indicator flashes 3 times on the receiver, indicating latching mode successfully paired (switch ON with the first button, switch OFF with the second button).
- 2CH Momentary + 2CH Toggle: Press the learning key button on the receiver board four times (LED indicator on the receiver board will flash simultaneously), then press any of the remote buttons. LED indicator flashes 3 times on the receiver, indicating successful pairing.
- 2CH Momentary + 2CH Latching: Press the learning key button on the receiver board five times (LED indicator on the receiver board will flash simultaneously), then press any of the remote buttons. LED indicator flashes 3 times on the receiver, indicating successful pairing.
- 2CH Toggle + 2CH Latching: Press the learning key button on the receiver board six times (LED indicator on the receiver board will flash simultaneously), then press any of the remote buttons. LED indicator flashes 3 times on the receiver, indicating successful pairing.
- 2CH Latching + 2CH Latching: Press the learning key button on the receiver board seven times (LED indicator on the receiver board will flash simultaneously), then press any of the remote buttons. LED indicator flashes 3 times on the receiver, indicating successful pairing.
- Deleting Existing Data on Remote Control: Press the learning key button on the receiver board eight times. The LED indicator on the receiver board will flash eight times, indicating all paired remote control data has been successfully deleted.
Board Layout

Pin Number | Pin Name | Description |
---|---|---|
1 | VCC | Power supply input (12V DC) |
2 | GND | Ground |
3 | IN1 | Control signal input for Relay 1 |
4 | IN2 | Control signal input for Relay 2 |
5 | IN3 | Control signal input for Relay 3 |
6 | IN4 | Control signal input for Relay 4 |
7 | NO1 | Normally Open contact for Relay 1 |
8 | COM1 | Common contact for Relay 1 |
9 | NC1 | Normally Closed contact for Relay 1 |
10 | NO2 | Normally Open contact for Relay 2 |
11 | COM2 | Common contact for Relay 2 |
12 | NC2 | Normally Closed contact for Relay 2 |
13 | NO3 | Normally Open contact for Relay 3 |
14 | COM3 | Common contact for Relay 3 |
15 | NC3 | Normally Closed contact for Relay 3 |
16 | NO4 | Normally Open contact for Relay 4 |
17 | COM4 | Common contact for Relay 4 |
18 | NC4 | Normally Closed contact for Relay 4 |
Resources
Shipping List
- 1 X 4 Channel Relay
- 1 X Cover
- 1 X 4 Button Remote
4 Channel Relay Card + Remote 12V
- Brand: Generic
- Product Code: 4CHAN-REM
- Product Status : Active
Stock
Warehouse | Stock Status | Location |
---|---|---|
Centurion | In Stock | UG083 |
Stellenbosch | In Stock | J3084 / J3085 |
We ship free of charge between branches to complete your order.
-
R189.00 (Inc Tax: R217.35)
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Tags: 4, channel, relay, card, remote, 12v, 4chan-rem, rf433, 433, rf, kr1204