WiFi Smart Switch
Smart control for your AC and geyser
A heavy-duty 25A WiFi module that brings app, voice and automation to your AC, geyser or other big appliance — installed behind your existing switch, no rewiring.
25ARelay
4000WMax load
3yrWarranty
What the hardware does
Single 25A channelOne channel built for a heavy appliance.
25A relayRuns ACs and geysers directly — up to 4000W.
Isolated SMPSSafe, stable power with under 0.8W standby draw.
Surge protection2.5KV rated, tested up to 4KV.
2-way switchingWorks with existing two-way wiring.
WiFi — no hubConnects straight to the cloud; no extra gateway.
What the app does
AutomationPut your AC or geyser on an auto-off timer that fires even from the wall switch, add daily schedules and countdown timers, and include it in whole-home routines and scenes.
SafetySafe Mode disconnects your heavy appliance above 280V or below 200V — important protection for an AC or geyser. Lock Room sends WhatsApp alerts, and it runs offline.
MonitoringTrack running hours and estimated energy cost for your heavy appliance, with a full ON/OFF history and usage-based service reminders.
ConvenienceSwitch your AC or geyser with Siri, Google or Alexa, trigger it with an NFC tap, or add a one-tap home-screen shortcut.
Full specification
| Operating voltage | 240V AC, 50/60Hz |
|---|---|
| Module dimensions | 40 × 25 × 77mm (H × W × L) |
| Channels | 1 |
| Relay rating | 25A |
| Max load — resistive | 4000W |
| Max load — inductive | 2000W |
| Power supply | Isolated SMPS |
| Standby power | Less than 0.8W |
| Operating temperature | 0°C to 70°C |
| Surge protection | 2.5KV rated, tested to 4KV |
| 2-way switching | Supported |
| Connectivity | WiFi 2.4 GHz (802.11 b/g/n) — direct to cloud, no hub |
| Offline control | Yes — schedules, timers, wall switch |
| Voice assistants | Google, Alexa, Siri |
| Warranty | 3 years |
Common questions
Does the NEXA HD 25A need a neutral wire?
Yes. Every Beakn product needs a neutral wire at the switchboard. Most Indian homes built in the last 15 years have one. If you are not sure, send us a photo of your switchboard on WhatsApp and we will check it for you.
Does it work without internet?
Yes — schedules, timers, wall switch
Which voice assistants does it work with?
Google, Alexa, Siri.
Do I need a separate hub or gateway?
WiFi 2.4 GHz (802.11 b/g/n) — direct to cloud, no hub
What warranty does it come with?
3 years
What power supply does it need?
It runs on 240V AC, 50/60Hz.
Ask about the NEXA HD 25A
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