Shelly Ogemray 25A Smart Relay Review: Who It Fits and Who Should Skip It
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This shelly ogemray smart relay switch review covers a compact device built for high-power loads. It supports up to 25A and 6000W, making it suitable for water heaters and industrial machines. The unit connects via Wi-Fi and Bluetooth, allowing direct network access without a hub. You can monitor real-time energy usage through its built-in power metering feature. The white relay measures just 0.33 inches in width. It includes overvoltage and overpower protection with auto recovery. This guide explains how these specs fit your specific automation needs.
What stands out
- Handles up to 25A / 6000W loads for large appliances
- Built-in power metering for real-time energy monitoring
- Wi-Fi and Bluetooth connectivity with no hub required
- Overvoltage and overpower protection with auto recovery
- Compact dimensions: 0.33 inches wide, 0.13 inches high
Who it fits
Good fit for
You should choose this relay if you need to control high-draw devices like water heaters or industrial equipment. The 25A rating handles substantial power loads safely. Real-time power metering helps you track consumption and optimize usage. Wi-Fi and Bluetooth connectivity allows you to manage the device remotely via the Shelly app. If you want to automate heating schedules or monitor energy data without a separate hub, this unit fits your setup well.
Who should skip it
Skip this option if you need a hub-free solution that also supports Zigbee or Z-Wave devices. This relay relies solely on Wi-Fi and Bluetooth for connectivity. It is not designed for low-power lighting circuits or small sensors. If you require a display on the device itself for local status checks, this compact relay lacks one. Users needing extensive local scripting without cloud dependency might find the webhooks and MQTT features insufficient for complex standalone automation.
Verdict: This relay is a practical choice for managing high-power appliances with energy tracking. Its direct Wi-Fi and Bluetooth connection simplifies integration for users with heavy-duty needs.
Key specs explained
25A / 6000W load capacity
This rating indicates the maximum electrical current and power the relay can handle. You can connect large appliances like water heaters or industrial machines without overloading the circuit. For smart home controls, this high limit allows you to manage heavy loads directly. Compare this with standard relays that often cap at 10A or 15A to ensure your high-draw devices remain safe and operational.
Wi-Fi & Bluetooth connectivity
The device uses Wi-Fi for direct network connection and Bluetooth for local pairing. You do not need a separate hub to integrate it into your smart home. This dual approach ensures reliable communication even if your network has latency. When shopping for home controls, this flexibility simplifies setup and provides a fallback connection method for initial configuration or local commands.
Built-in power metering
This feature monitors real-time energy consumption and voltage for connected devices. You can track usage patterns to optimize schedules and reduce waste. For thermostat users, this helps identify inefficiencies in heating or cooling systems. Compare this with basic switches that only turn power on or off. Metering provides data-driven insights for better energy management and informed control decisions.
Overvoltage and overpower protection
The relay includes safety mechanisms to detect voltage spikes or excessive power draw. It automatically recovers after the issue resolves, protecting your connected appliances from damage. This reliability is crucial for unattended operation of water heaters or machinery. When evaluating smart home controls, look for this protection to ensure your expensive equipment remains safe during electrical fluctuations or short circuits.
Design and build details
According to the listing, the Shelly Ogemray 25A Smart Relay has a white finish. The unit measures 0.33 inches in width, 0.22 inches in length, and 0.13 inches in height. This footprint is very small. It fits into tight electrical spaces where larger controllers cannot go. The weight is 3.53 ounces. This light mass suggests a plastic housing. It is not built for heavy industrial mounting brackets. You likely need standard DIN rail or wall mounting options.
The design prioritizes compactness over bulk. This makes it suitable for installation inside electrical panels or behind appliances. You do not need extra space for ventilation or large heat sinks. The low profile keeps it hidden from view. This is practical for residential water heaters or small industrial machines where aesthetics matter. The white color blends with most standard electrical enclosures.
Controls are handled via the Shelly Smart Control App. There are no physical buttons on the device itself. You configure settings remotely through Wi-Fi or Bluetooth. This means you do not need to open the enclosure to change modes. The lack of external switches reduces wear points. It also keeps the unit sealed against dust and moisture. You rely entirely on the digital interface for daily use. This design choice suits users who prefer app-based management over manual toggles.
Setup and everyday use guide
Setting up the Shelly Ogemray 25A Smart Relay involves connecting it to your local Wi-Fi network. The listing states that no hub is required for this process. You will use the Shelly Smart Control App to configure the device remotely. The app allows you to manage the relay and create personalized scenes by combining it with other Shelly devices. This setup enables full integration with major smart home platforms. You can also access advanced protocols like MQTT, WebSocket, HTTPS, UDP, TLS, webhooks, and scripting. The unit supports custom certificates for enhanced security. Once configured, you can control connected appliances from your phone. The relay handles loads up to 25A and 6000W, making it suitable for water heaters and industrial machines. In daily use, you can monitor real-time power consumption and voltage. This feature helps you track energy usage and optimize consumption. You can create smart schedules to heat water during off-peak hours. The built-in overvoltage and overpower protection with auto recovery helps keep your devices safe. You receive real-time notifications through the app when actions occur. The device is white and measures 0.33 inches in width, 0.22 inches in length, and 0.13 inches in height. It weighs 3.53 ounces. This compact size fits into tight electrical spaces. The Shelly brand offers a 3-year warranty and professional support. This setup provides precise control over large appliances while allowing you to monitor energy data directly.
Before you buy this relay
This Shelly Ogemray 25A Smart Relay is a specialized tool for high-power loads, not a central hub. It does not replace your main smart thermostat. You should use it alongside your existing climate control system to manage specific appliances like water heaters. The device connects via Wi-Fi and Bluetooth. You must have a 2.4GHz Wi-Fi network available. Check your electrical panel space. The unit is small but requires proper wiring. You need to verify that your local voltage matches the device rating. The listing mentions support for MQTT and webhooks. If you use Home Assistant or similar platforms, these protocols may help. You will need the Shelly Smart Control App for setup. Regular firmware updates are important for security. This relay fits into a broader smart home ecosystem. It handles heavy loads that standard switches cannot. Ensure your circuit breaker aligns with the 25A limit. This device is for users who want granular control over energy-intensive equipment. It complements, rather than replaces, your primary comfort controls.
Check before you buy
- Verify your electrical panel has space for this compact unit
- Confirm your Wi-Fi network supports 2.4GHz connections
- Check that your appliance load stays under 25A
- Ensure your smart home platform supports MQTT or webhooks
The product at a glance
Shelly Ogemray 25A Smart Relay
Best for: monitoring energy use of high-load appliances
- Connectivity
- Wi-Fi, Bluetooth
- Hub Requirement
- No Hub Required
- Dimensions
- 0.22 × 0.33 × 0.13 inches
- Weight
- 3.53 ounces
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The Shelly Ogemray 25A Smart Relay is a compact Wi-Fi and Bluetooth switch rated for 25A and 6000W. It includes built-in power metering to track real-time energy usage and voltage. The device connects directly to your network without a hub and supports advanced protocols like MQTT. Its small footprint fits behind standard switches. It suits users managing high-load appliances like water heaters who need detailed energy data and remote scheduling.
Pros
- 25A / 6000W load capacity for large appliances
- Built-in real-time power and voltage metering
- Wi-Fi and Bluetooth connectivity without a hub
- Compact dimensions: 0.33 x 0.22 x 0.13 inches
Cons
- No Z-Wave or Zigbee radio support
- Requires professional installation for hardwiring
- No physical display for local status viewing
Good fit if
- You need to monitor energy consumption of high-wattage devices
- You want direct Wi-Fi control without extra hubs
- You require automation for water heaters or industrial machines
Skip if
- You prefer a device with a built-in screen
- You rely exclusively on Z-Wave or Zigbee networks
- You are not comfortable with electrical wiring tasks
Verdict: Shelly Ogemray 25A Smart Relay fits users who need precise energy monitoring for high-load appliances like water heaters. It is ideal for those who want direct Wi-Fi control and advanced automation protocols without a hub.
Specifications side by side
| Spec | Shelly Ogemray 25A Smart Relay |
|---|---|
| Connectivity | Wi-Fi, Bluetooth |
| Hub Requirement | No Hub Required |
| Dimensions | 0.22 × 0.33 × 0.13 inches |
| Weight | 3.53 ounces |
| Color | White |
| Model | Shelly_PbS_SW40 |
Frequently asked questions
Does the Shelly Ogemray 25A Smart Relay require a hub?
No, it does not require a hub. The device connects directly to your local Wi-Fi network. You can configure and control it remotely using the Shelly Smart Control App. This setup allows for direct network access without additional hardware. It simplifies installation by removing the need for a central bridge or gateway.
Can this relay monitor energy consumption?
Yes, it is designed for monitoring energy use of high-load appliances. The listing highlights its suitability for tracking power consumption in devices like water heaters. This feature helps you understand energy usage patterns for specific circuits. You can view this data through the companion app to manage your home's power efficiency effectively.
What is the maximum power load it supports?
It supports up to 25A and 6000W. This rating indicates the maximum electrical current and power the relay can handle safely. You can connect large appliances like industrial machines or water heaters without overloading the circuit. This high limit makes it suitable for demanding electrical loads in a smart home setup.
How small is the Shelly Ogemray relay?
The unit measures 0.33 inches in width, 0.22 inches in length, and 0.13 inches in height. This footprint is very small and fits into tight electrical spaces. The compact design allows it to be installed in standard electrical boxes where space is limited. It blends easily into existing wiring configurations.
Is Bluetooth connectivity included?
Yes, the specifications list Bluetooth as a connectivity option. This allows for local control and setup assistance near the device. You can use Bluetooth for initial configuration or local commands when Wi-Fi is unavailable. It complements the Wi-Fi connection for flexible access options in your home network.
Who is this relay best suited for?
It fits users who need precise energy monitoring for high-load appliances. It is ideal for those who want direct Wi-Fi control and advanced automation protocols. You should choose this if you manage devices like water heaters or industrial machines. It is not a central hub but a specialized tool for specific high-power circuits.