Shelly 2L GEN3 Two-Channel Smart Switch tailored for Lighting control in no Neutral Wire installations
- Brand: Shelly
- Product Code: SHELLY 2L GEN3 [#17]
- sku: SHELLY 2L GEN3
- Reward Points: 4
- Availability: In Stock ✓ Ready to ship!
- Qty available: 11
R879.24 inc. VAT
- Ex VAT: R764.56
- Price in reward points: 880
The specifications below may differ from the model's specifications. Please view the above short specification block to verify which features apply in this model. E&OE.
Overview Summary:
The Shelly 2L Gen3 Smart Switch is a compact dual-channel lighting control module designed for modern smart home installations without requiring a neutral wire. It enables independent control of two lighting circuits through WiFi and Bluetooth connectivity, making it suitable for retrofit installations in existing wall switch boxes. With no hub required, it integrates directly into your home network for streamlined automation and remote access.Built for flexibility and reliability, this smart switch supports scheduling, scenes, scripting, and integration with major automation platforms. Its in-wall design allows discreet installation while maintaining powerful control over lighting loads, making it ideal for upgrading traditional switch systems into fully connected smart environments. Buy now to modernise your lighting control with a scalable and efficient solution.
Performance tier: Mid-range smart home automation module
Uses: dual lighting control, retrofit smart switching, home automation, scheduled lighting, scene-based lighting control
Overview:
What is Shelly 2L Gen3
Shelly 2L Gen3 is a compact two-channel smart switch designed specifically for advanced lighting control in installations where no neutral wire is available. It enables users to modernise existing lighting systems without rewiring, supporting direct in-wall installation behind standard switches. The device operates via Wi-Fi and Bluetooth, requires no hub, and is engineered for efficient retrofit smart home upgrades.
Description:
The Shelly 2L Gen3 delivers flexible dual-channel lighting control in no-neutral environments, making it ideal for upgrading older electrical installations. It supports independent control of two lighting circuits, stable wireless connectivity through Wi-Fi and Bluetooth, and seamless integration with leading smart home ecosystems. With built-in safety protections, scheduling capabilities, and automation support, it provides a reliable and scalable foundation for intelligent lighting control across residential and commercial spaces.
Features:
Core Lighting Control Capabilities
The Shelly 2L Gen3 (Part Number / SKU: SHELLY 2L GEN3 ) is built to manage two separate lighting channels with different load capacities, allowing tailored control of multiple light sources from a single module.
Key electrical handling includes:
- Output 1 supports up to 200 W switching power
- Output 2 supports up to 700 W switching power
- Designed for live-wire-only installations with no neutral required
- Compatible with Shelly Bypass for 1L/2L for stable low-load operation
This configuration makes it suitable for mixed lighting environments such as layered ceiling lighting, accent lighting, or dual-zone room control.
Connectivity and Smart Integration
Shelly 2L Gen3 supports modern smart home communication protocols without requiring an external hub. It integrates directly into home networks and automation platforms.
Connectivity options include:
- Wi-Fi for direct cloud or local control
- Bluetooth for fast onboarding and gateway functionality
- Compatibility with Alexa, Home Assistant, and other automation systems
- HTTPS, MQTT, and WebSocket support for advanced integrations
- KNXnet/IP support for professional building automation setups
It also functions as a Wi-Fi range extender and Bluetooth gateway, improving overall smart home network stability.
Installation Flexibility and Retrofit Design
This device is engineered for retrofit scenarios where rewiring is impractical. Its compact form factor allows installation inside wall switch boxes, making it suitable for both renovation and upgrade projects.
Practical installation advantages:
- No neutral wire required
- Designed for tight in-wall mounting spaces
- Works with existing switch infrastructure
- No minimum load required when using compatible bypass module
This makes it particularly effective in older buildings where neutral wiring is not available at switch points.
Automation, Scheduling, and Control Logic
Shelly 2L Gen3 supports advanced automation features that allow users to tailor lighting behaviour to daily routines or environmental conditions.
Capabilities include:
- Custom schedules based on time of day
- Sunrise and sunset-based automation
- Scene creation with other Shelly devices
- Local actions for offline reliability
- Scripting support for advanced logic control
These functions enable granular control over lighting environments without relying on constant cloud connectivity.
Performance, Memory, and Gen3 Architecture
Built on Shelly's Gen3 platform, the device includes upgraded hardware designed for higher performance and future expansion.
Technical platform enhancements:
- 8 MB internal memory for improved responsiveness
- Proprietary Shelly chip architecture for stability
- Internal temperature sensor for overheating protection
- Optimised for Matter readiness via firmware updates
The increased memory and processing capacity ensure smoother operation and compatibility with evolving smart home standards.
Extended Ecosystem and Virtual Control
The Gen3 series introduces virtual components within the Shelly Smart Control ecosystem, allowing integration of third-party devices into a unified control interface. This enables users to manage mixed-brand smart environments from a single dashboard, improving system cohesion and operational simplicity.
Typical Applications
Shelly 2L Gen3 is commonly used in environments requiring flexible lighting control without infrastructure changes. Typical use cases include:
- Living rooms with separate ceiling and ambient lighting zones
- Bedrooms requiring independent bedside and overhead lighting control
- Offices where task and ambient lighting need separation
- Retrofit upgrades in older properties lacking neutral wiring
Its dual-channel architecture makes it particularly effective where lighting separation improves usability or energy efficiency.
Specifications:
| Copyright belongs to the respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC , however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered. | |
| Specifications | |
| Product Code | SHELLY 2L GEN3 |
| Physical | |
| Size (HxWxD) | 37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 in |
| Weight | 28 g / 1 oz |
| Screw terminals max torque | 0.4 Nm / 3.5 lbin |
| Conductor cross section | 0.5 to 4 mm² / 20 to 11 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length | 6 to 7 mm / 0.24 to 0.24 in |
| Mounting | In-wall |
| Shell material | Plastic |
| Shell color | Cyan |
| Terminal color | Black |
| Environmental | |
| Ambient working temperature | -20 degreesC to 40 degreesC / -5 degreesF to 105 degreesF |
| Storage temperature | 10degreesC to 40 degreesC |
| Humidity | 30 % to 70 % RH |
| Max. altitude | 2000 m / 6562 ft |
| Electrical | |
| Power supply | 220-240 V~, 50Hz (Shelly Bypass is required for the load at O1) |
| Shelly Bypass included | Yes |
| Power consumption | < 1.2 W |
| Neutral not needed | Yes (Shelly Bypass is required for the load at O1) |
| Min. load without neutral and without a Bypass | No (Shelly Bypass for 1L/2L is required for the load at O1), for all LED lights. |
| No, Bypass is not needed for incandescent lights. | |
| Output circuits ratings | |
| Max. switching voltage | 240 V~ |
| Max. switching power | 200 W through O1 |
| 700 W through O2 | |
| Sensors, meters | |
| Internal-temperature sensor | Yes |
| Wi-Fi | |
| Protocol | 802.11 b/g/n |
| RF band | 2401 - 2495 ?Hz |
| Max. RF power | < 20 dBm |
| Range | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
| (Depends on local conditions) | |
| Bluetooth | |
| Protocol | 4.2 |
| RF band | 2400 - 2483.5 MHz |
| Max. RF power | < 4 dBm |
| Range | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
| (Depends on local conditions) | |
| Microcontroller unit | |
| CPU | ESP-Shelly-C38F |
| Clock frequency | 160 Mhz |
| RAM | 512 KB |
| Flash | 8 MB |
| Firmware capabilities | |
| Schedules | 20 |
| Webhooks (URL actions) | 20 with 5 URLs per hook |
| Scripting | Yes |
| MQTT | Yes |