

High-Power Remote Switches
SWITNEX 433 MHz 30A Remote Control Switch AC 110–240V, for Water Pumps & Farm Irrigation
Remote-start water pumps, irrigation systems and farm equipment with a 30A relay receiver and long-life keyfobs.
- Factory direct: in-house production and QC, competitive pricing for wholesale and projects.
- Pre-paired kits: kits ship already coded — wire up and go; extra remotes can be added any time.
- OEM / ODM: private label, custom coding, frequency, housing colour and packaging.
Key features
- 30 A heavy-duty relay — Switches pumps, motors, heaters and other high-power equipment reliably.
- ON / OFF buttons — Factory set to latched mode: one button on, one button off.
- External antenna — Extendable antenna for better reception, > -105 dBm.
- Easy pairing — Learn or clear transmitters with one button; each receiver stores up to about 20 remotes so the whole team can share control.
Specifications
| RF frequency | 433 MHz |
| Receiving sensitivity | > -105 dBm |
| Input voltage | AC 110–240 V |
| Relay | 30 A |
| Working modes | Momentary / Toggle / Latched |
| Range | About 50 m, no obstacles |
Available kits
- With 2 transmitters
- With 3 transmitters
Installation
Receivers are compact enough to fit an existing wall box, sit next to the fixture or mount inside the distribution box. Every kit ships with an English manual and wiring diagram. Stuck? Send a photo of your wiring on WhatsApp and our engineers will confirm it for you.
Step-by-step articles and videos are in our Installation Guides.
Shipping & support
- Worldwide shipping with tracking number on every order.
- One exchange within 7 days of delivery (original packaging); refunds for faulty items.
- Wholesale, project and OEM orders — use the inquiry form or WhatsApp.


