---
title: Shelly 2PM Gen3 Two-Channel Smart Switch
date: 2025-10-13T05:35:34Z
modified: 2026-05-22T10:02:28Z
permalink: "https://tech.co.za/product/shelly-2pm-gen3-two-channel-smart-switch/"
type: product
status: publish
excerpt: 2 channels on the same phase Power metering on each channel Cover (roller) control – Automate and adjust the position of roller shutters, blinds, curtains, awnings, bi-directional AC motors.
wpid: 554673
product_brand:
  - Shelly
product_type:
  - simple
product_visibility:
  - featured
product_cat:
  - Smart Home
featured_image: "https://tech.co.za/wp-content/uploads/2025/10/SHELLY-2PM-GEN3a.png"
---

### Remotely control and monitor two different electrical circuits, or roller shutters, blinds, and other bi-directional motors from anywhere, including power monitoring.

- 2 channels on the same phase
- Power metering on each channel
- Cover (roller) control – Automate and adjust the position of roller shutters, blinds, curtains, awnings, bi-directional AC motors.
- Slats angle control – use with your venetian blinds and control the tilt position (angle) of slats to adjust the amount of light in a room.
- New processor – ESP-Shelly-C38F chip with an increased memory of 8 MB
- Improved durability of terminals
- Virtual components
- Wi-Fi range extender & Bluetooth gateway
- Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS and custom certificates
- No HUB required! Easy control through Shelly Smart Control app, various home automation protocols, platforms, as well as voice assistants.





### Diagrams

**WIRING – Dual-channel switch mode, AC power supply**

![](https://shellysa.co.za/wp-content/uploads/2025/07/shelly-2PM-gen3_wiring_ac.png)

**WIRING – Dual-channel switch mode, DC power supply**

![](https://shellysa.co.za/wp-content/uploads/2025/07/shelly-2PM-gen3_wiring_dc.png)

**WIRING – Cover mode**

![](https://shellysa.co.za/wp-content/uploads/2025/07/shelly-2PM-gen3_wiring_cover.png)

### SPECIFICATIONS



| Quantity | Value |
| --- | --- |
| **Physical** |  |
| Size (HxWxD): | 37x42x16 ±0.5 mm / 1.46×1.65×0.63 ±0.02 in |
| Weight: | 30 g / 1.06 oz |
| Screw terminals max torque: | 0.4 Nm / 3.5 lbin |
| Conductor cross section: | 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length: | 6 to 7 mm / 0.24 to 0.28 in |
| Mounting: | Wall box |
| Shell material: | Plastic |
| Shell color: | Black |
| Terminals color: | Black |
| **Environmental** |  |
| Ambient working temperature: | -20°C to 40°C / -5°F to 105°F |
| Humidity: | 30% to 70% RH |
| Max. altitude: | 2000 m / 6562 ft |
| **Electrical** |  |
| Power supply: | 110 – 240 V~ / 24 V⎓ ±10% |
| Power consumption: | < 1.4 W |
| External protection: | Tripping characteristic B or C, 16A max. rated current, min. 6 kA interrupting rating, energy limiting class 3 |
| **Output circuits ratings** |  |
| Max. switching voltage: | 240 V~ 30 V⎓ |
| Max. switching current AC: | 10 A (per channel), 16 A (total), 18 A (total peak) |
| Max. switching current DC: | 10 A |
| **Sensors, meters** |  |
| Voltmeter (AC): | Yes |
| Ammeter (AC): | Yes |
| Internal-temperature sensor: | Yes |
| **Radio** |  |
| **Wi-Fi** |  |
| Protocol: | 802.11 b/g/n |
| RF band: | 2412 – 2472 МHz |
| 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: | 2402 – 2480 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 |
| Flash: | 8MB |
| **Firmware capabilities** |  |
| Schedules: | 20 |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | Yes |
| MQTT: | Yes |