Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch

What buyers think

Buyer feedback centers on setup and practical reliability. Many reviewers describe the unit as a straightforward way to add “smart” control to systems that otherwise only had manual switching, especially when paired with existing Ethernet infrastructure. Multiple comments highlight ease of use in the app and the way the device integrates with home automation platforms, including automatic recognition in Home Assistant. Buyers also mention the dry-contact style control as a reason it works well for power sequencing and other control-oriented automation tasks. Buyer-review evidence is still limited in terms of long-term failure rates or performance under every wiring scenario, but the recurring themes are positive on usability and integration.

Who should buy the Shelly Pro 1

Choose Shelly Pro 1 if you want professional-grade, breaker-box style smart control for one AC circuit, and you care about having more than one way to connect to your network. It’s a strong fit for lighting schedules, appliance cutoffs, and automation tasks that benefit from dry-contact control logic. It can also be useful when you need to trigger events in a larger setup, such as remote power sequencing or control workflows that involve companion software.

Who should skip it

Skip Shelly Pro 1 if you need multiple independent switching channels, because this model is built for one output. Also consider passing if you do not want to touch relay logic at all, since getting the most out of advanced automation (for example, scripting/MQTT workflows) may require more than basic on/off scheduling.

Key features that matter in real installs

Wi-Fi, LAN, and a bluetooth gateway

The product is designed for networked control with both Wi‑Fi and LAN connectivity, plus a Bluetooth 4.2 gateway feature. That combination is useful when you want resilient behavior, easier setup, or compatibility with different network setups around a home or facility.

Dry contacts for flexible control wiring

Shelly Pro 1 includes a potential-free (dry contact) output. In practice, that broadens what you can automate, because it can interface with control circuits without necessarily sharing the same wiring approach as typical switched outputs.

Scheduling, timers, and automation building blocks

It supports remote control, timer schedules, and custom automation scenes. For deeper customization, it includes scripting and MQTT support, plus webhooks (URL actions). If you are building automations that go beyond simple time-based turning on and off, these features are the core reason to consider this model.

Built for DIN-rail and breaker-box environments

It’s designed to be installed on a DIN rail inside an electrical enclosure. The device includes advanced load protection features in the Pro series line, and it has an internal temperature sensor, which is helpful in professional-style installations where heat management matters.

Specs and compatibility highlights (at a glance)

• Channel count: 1 output (single-phase, 1-channel relay)
• Switching rating: up to 16A (verify against your load requirements)
• Wireless and network: Wi‑Fi 802.11 b/g/n, LAN support, Bluetooth 4.2 gateway
• Automation: scripting, MQTT, and webhooks (URL actions)
• Mounting: DIN rail mount
• Power: AC 110–240V supply
• Operating temperature range: -20°C to 40°C (-5°F to 105°F)

Pros and cons, summarized

• Best for: Buyers adding smart control to one lighting or appliance circuit, especially when you want LAN plus Wi‑Fi options and automation flexibility.
• Main tradeoff: It’s single-channel, so multi-circuit control will require multiple units or a different multi-channel model.
• When it shines: Power sequencing, control integrations, scheduled switching, and MQTT/webhook-based automation workflows.

Price and availability

Pricing and stock can vary, so check the current listing for the latest cost. If you are comparing, also consider whether you’ll need additional channels, because stepping up to a multi-output model can be more efficient than purchasing multiple single-channel units.

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FAQ

Is the Shelly Pro 1 a smart relay switch or a controller?

It’s a relay-based smart switching device built to control one AC circuit, with additional automation capabilities like scheduling and integration features such as MQTT and webhooks.

Does the Shelly Pro 1 support Ethernet (LAN) for more reliable control?

Yes, it includes LAN connectivity in addition to Wi‑Fi, which can help with reliability depending on your setup.

What does “dry contact” mean on the Shelly Pro 1?

Dry contact (potential-free) output means it can be used for control wiring scenarios where you want a separate control interface rather than a typical switched power output approach.

Can I use Shelly Pro 1 for home automation platforms like Home Assistant?

Many buyers report easy recognition and integration in common home automation setups. Your exact workflow will depend on how you wire the relay and configure your automation rules.

What size load can it switch?

It’s rated for switching up to 16A. You should verify your circuit’s voltage and current draw to ensure it’s a safe match.

Is it good for multi-room lighting?

For multi-room lighting across independent circuits, this single-channel model may require multiple units. If you need simultaneous control of several circuits, a multi-channel Shelly Pro model is often a better fit.

Final verdict

The Shelly Pro 1 is a solid choice for buyers who want a DIN-rail smart relay that combines Wi‑Fi, LAN, and Bluetooth gateway capabilities with scheduling and deeper automation options like scripting and MQTT. It’s especially compelling for professional-style installs, control-oriented automation, and projects where dry-contact output flexibility matters. If your project is single-circuit and you’re comfortable configuring automation logic, it can be an efficient “smart relay” upgrade, otherwise you’ll likely want a multi-channel alternative.