1 Channel Zigbee Retrofit Relay (40A)

The 40A Retrofit Relay is engineered for heavy electrical loads that standard smart relays cannot handle — water heaters, pool pumps, HVAC compressors, and industrial equipment. It brings the same wireless smart control to high-current circuits that the standard relay brings to lighting, but with direct switching capacity rated at 40A. Installation follows the same behind-switch or DIN rail approach as the standard relay, but demands proper cable sizing and circuit protection at rated current. A qualified electrician is mandatory for installation at these power levels. Once wired, the relay communicates over Zigbee 3.0 with full mesh networking support, enabling scheduling, automation triggers, and remote monitoring of your highest-draw appliances. Works with Home Assistant natively and bridges to Matter and Apple HomeKit via a compatible hub. Particularly valuable in Indian homes where geysers, submersible pumps, and heavy AC units benefit from scheduled operation and automated safety shutoffs. Pairs naturally with Smartify sensors for temperature-triggered or occupancy-based control of high-power equipment.