Device identification
- Device name: Shelly Plus PM Mini
- Device model: SNPM-001PCEU16
- Device SSID: ShellyPMMini-XXXXXX
Short description
Shelly Plus PM Mini (The Device) is a small form factor power meter. Enhanced with all the gen2 firmware flexibility, it provides professional integrators with additional options for end-customer solutions. It can work standalone in a local Wi-Fi network, or it can also be operated through cloud home automation services through MQTT, HTTP, and WebSocket. All inbound connections support TLS.
Shelly Plus PM Mini can be accessed, set up, and monitored remotely by the User, as well as the Device can access and communicate with an automation system, as long as they are in the same network infrastructure.
The Device has an embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.
⚠ NOTICE! The Device does not have a built-in relay.
Main applications
- Residential
- MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
- Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
Simplified internal schematics
Device electrical interfaces
Inputs
- 2 line inputs on screw terminals: 1 L and 1 N
Outputs
- 2 load circuit outputs (bridged internally): 2 O
Connectivity
- Wi-Fi
- Bluetooth (for inclusion purposes)
Each connectivity option can be enabled or disabled by the user.
Safety features
- Internal temperature sensing and reporting
Supported load types
- Resistive (incandescent bulbs, heating devices)
- Capacitive (LED light drivers, capacitor banks, electronic equipment, motor start capacitors)
- Inductive (transformers, fans, refrigerators, air-conditioners)
User interface
Inputs
- One (Reset) button
- Press and hold for 5 seconds to enable Device access point and Bluetooth connection.
- Press and hold for 10 seconds to factory reset the Device.
Outputs
- LED (monocolor) indication
- AP (Access Point) enabled and Wi-Fi disabled: 1 second ON / 1 second OFF
- Wi-Fi enabled, but not connected to a Wi-Fi network: 1 second ON / 3 seconds OFF
- Connected to a Wi-Fi network: Constantly ON
- Cloud is enabled, but not connected: 1 second ON / 5 seconds OFF
- Connected to Shelly Cloud: Constantly ON
- OTA (Over the Air Update): ½ sec ON / ½ sec OFF
- Button pressed and held for 5 seconds: ½ sec ON / ½ sec OFF
- Button pressed and held for 10 seconds: ¼ sec ON / ¼ sec OFF
The list above starts with the initial device status and the lowest priority. Every next state cancels the previous one.
Specifications
| Type | Value |
|---|---|
| Physical | |
| Size (HxWxD) | 29 x 35 x 16 ±0.5 mm / 1.11 x 1.35 x 0.63 ±0.02 in |
| Weight | 13 ±1 g / 0.46 ±0.04 oz |
| Mounting | Wall box |
| Screw terminals max torque | 0.4 Nm / 3.5 lbin |
| Conductor cross section | 0.5 to 1.5 mm² / 20 to 16 AWG |
| Conductor stripped length | 5 to 6 mm / 0.20 to 0.24 in |
| Shell material | Plastic |
| Color | Light gray |
| Environmental | |
| Ambient 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 VAC |
| External protection | 16 A, tripping characteristic B or C, 6 kA interrupting rating, Energy limiting class 3 |
| Power consumption | <1.2 W |
| Output circuits ratings | |
| Max measurement voltage | 240 VAC |
| Max measurement current | 16 A |
| Max measurement power | 3840 W |
| Power measurement | Yes |
| Voltage protection / Cutoff | No |
| Current protection / Cutoff | No |
| Max power protection / Cutoff | No |
| Radio | |
| RF band | 2400 - 2495 MHz |
| Max. RF power | <20 dBm |
| Wi-Fi protocol | 802.11 b/g/n |
| Wi-Fi Range | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
| Bluetooth Protocol | 4.2 |
| Bluetooth Range | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| MCU | |
| CPU | ESP32 |
| Flash | 4 MB |
| Firmware capabilities | |
| Webhooks (URL actions) | 20 with 5 URLs per hook |
| Scripting | Yes |
| MQTT | Yes |
| UDP | Yes |
Basic wiring diagrams
Legend
| Terminals | Description | Wires | Description |
|---|---|---|---|
| O | Load circuit output terminals (bridged internally) | L | Live (110-240 V) wire |
| L | Live (110-240 V) terminal | N | Neutral wire |
| N | Neutral terminal |
Troubleshooting
Your device is overheating
Make sure the ambient temperature does not exceed 40 °C / 105 °F. If placed in a confined space, Shelly Plus PM Mini may increase the ambient temperature above the allowed limits. Ensure ventilation of the device.
Web Interface guide
Read the Shelly Plus PM Mini web interface guide:
Printed user guide
Shelly Plus PM Mini multilingual printed user and safety guide
Compliance
- Shelly Plus PM Mini multilingual EU declaration of conformity 237 2025-12-05
- Shelly Plus PM Mini UK PSTI ACT Statement of compliance
Installation guides
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