We appreciate this relay because it’s easy to install — everything you need is in the box and there’s no scavenging for extra adapters or enclosures. Pairing it with a smart plug or automation module (Z-Wave, Zigbee, or similar) gives you remote on/off control of heavy devices like well pumps, heaters, or motors. Over years of use it’s been very reliable and rock solid, with the enclosure offering peace of mind and the plug-in cord simplifying integration.
Elk Heavy Duty Relay
Elk Heavy Duty Relay
9
10
0
1
The ELK Heavy-Duty Relay is a solid, no-nonsense relay solution for automating high-current devices in your smart home setup. Designed to handle up to 30 Amps of AC load, this relay comes housed in a sturdy lockable metal enclosure — and importantly for automation applications, it includes the power cord and integrated switch that lets you plug into a smart plug or appliance module without extra wiring hassles.
The ELK Heavy-Duty Relay is a solid, no-nonsense relay solution for automating high-current devices in your smart home setup. Designed to handle up to 30 Amps of AC load, this relay comes housed in a sturdy lockable metal enclosure — and importantly for automation applications, it includes the power cord and integrated switch that lets you plug into a smart plug or appliance module without extra wiring hassles.
9/10
Total Score
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Cost8/10More costly than getting a standalone relay
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Suitability for STRs10/10Great way to add smart control to 240v devices
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Automation Capabilities10/10Can be used with any compatible smart plug
The Good
- Complete package including enclosure and cord
- Simple installation
- Cord makes it easy to use a smart plug to control
The Bad
- Not suitable for wet locations
- Doesn't come with great instructions















