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Shelly 1 Mini Gen4: Small Form Factor, Big Control

Mar 12, 2026 · Alan

Specifically engineered for tight spaces, the Shelly 1 Mini Gen4 is the world’s smallest smart switch. Its ultra-compact size makes it the ideal solution for South African 2×4 or 4×4 wall boxes, where space is often at a premium.

With households scrambling to save money on electricity costs ahead of Eskom’s looming price hike many are turning to Solar Systems as a solution.

The concerns with Solar are mainly around cost to install and speed of installation.

The principle around saving electricity is a simple one; “If you can measure it, you can manage and control it!”

Shelly Devices:

If your wall box is full of thick wires or you have a shallow “European style” box, the Mini is often the only device that will fit without chiseling out the wall. Photo: Stratlec

Shelly Devices also offer you a very cost effective way to constantly measure your consumption – on an entire premises OR single device basis – via your smartphone and WITHOUT ongoing monthly connection costs. Your device, your data, your privacy – sorted.

Whether you are automating a lighting circuit, a small fountain pump, or a gate motor, the Shelly 1 Mini Gen4 provides full smart functionality without requiring a major electrical overhaul. Despite its size, it supports the latest Gen4 hardware, offering faster processing, improved Wi-Fi stability, and Matter compatibility for the future.

Why Shelly 1 Mini Gen4:

  • Retrofit Friendly: Fits behind almost any existing wall switch.
  • Dry Contacts: Supports a wide range of voltages (AC and DC) for versatile applications.
  • Scripting: Run local scripts directly on the device for advanced “If-This-Then-That” logic.

The Shelly 1 Mini Gen4 is for the smart home enthusiast who wants Matter and Zigbee compatibility without the bulk. It is perfect for lighting circuits, garage door triggers, and small appliance automation where space is at a premium.

Descriptive words: Mini Smart Switch, Retrofit Home Automation, Shelly 1 Mini Gen4, Smart Lighting South Africa, Authorized Shelly Reseller.

Why Buy Shelly Products From an Authorised Reseller and Installer such as Stratlec?

As an Authorized Shelly Reseller, Stratlec ensures that every device is genuine, ICASA-approved, and backed by full technical support tailored to the South African electrical grid.

  • Local Support: Expert advice on NMBM tariff optimization.
  • Warranty: Full local warranty and replacement support.
  • Expertise: We don’t just sell the hardware; we help you build the solution.
Category: ShellyTag: Shelly

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Hexing 115KP Single Phase Prepaid Electricity Meter
R475

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Shelly 1PM Gen4
R629

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US PP Prepaid Water Meter
R3105

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Shelly Wall Display XL
R7999

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Non Return Valve
Non Return Valve
R189,75

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Shelly Pro 3
R1899

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Shelly BLU Door/Window Hinged Bracket
R79

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Shelly Pro 2
R1799

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Shelly 2PM Gen4 (4 Pack)
R3699

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Shelly Wave 1 Mini
R799

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Hexing Prepaid Water Meter
Hexing Pre-Paid Water Meter Ultrasonic
R2815

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Shelly 1 Mini Gen4 (2 Pack)
R899

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Shelly 4×2 to Euro Adapter Plate
R79

Select options This product has multiple variants. The options may be chosen on the product page

Shelly 1 Mini Gen 3 (2 Pack)
R749

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Shelly 1PM Gen3 (2 Pack)
R1049

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METSECT5ME025 Current Transformer
R807,18

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Shelly 2PM Gen4
R949

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Ogemray Smart Relay 25A
R1099

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Prepaid meter, three phase, with separate CIU
R3640

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Shelly Wave PRO 3
R2699

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Shelly 1PM Gen4 (4 Pack)
R2399

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Shelly Plus Uni
R489

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Shelly FrankEver Smart Water Valve DN25
R4499

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Shelly 2PM Gen3 (4 Pack)
R3099

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Shelly Wave PRO 1
R1599

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