Shelly 1PM

Device identification

Device name: Shelly 1PM
Device model: SHSW-PM
Device SSID: shelly1pm-XXXXXX

Short description

Shelly 1PM is a small form factor smart switch with power measurement, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services.

Shelly 1PM can be accessed, controlled and monitored remotely from any place where the User has internet connectivity, as long as the device is connected to a Wi-Fi router and the Internet.

It can be retrofitted into standard electrical wall boxes, behind power sockets and light switches or other places with limited space.

Shelly 1PM has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.

Main applications

Residential
MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
Government/municipal
University/college

Integrations

Google
Samsung SmartThings
Alexa

Simplified internal schematics

Device electrical interfaces

Inputs

1 switch/button input on screw terminal
3 power supply inputs on screw terminals: N (+), L, L1

Outputs

1 relay outputs with power measurement on screw terminal

Add-on interface

Shelly proprietary serial interface

⚠CAUTION! High voltage on the add-on interface when the Device is powered!

Connectivity

Wi-Fi

Safety features

Overheating protection
Overpower protection

Supported load types

Resistive (incandescent bulbs, heating devices)
Capacitive (capacitor banks, electronic equipment, motor start capacitors)
Inductive with RC Snubber (LED light drivers, transformers, fans, refrigerators, air-conditioners)

User interface

Inputs

One (Reset) button
- Press and hold for 5 seconds to enable Device access point.
- Press and hold for 10 seconds to factory reset the Device.

Outputs

LED (Red) indication
- AP (Access Point) enabled and Wi-Fi disabled:
  1 second ON / ¼ second OFF
- Wi-Fi enabled, but not connected to a Wi-Fi network:
  2 second ON / ¼ seconds OFF
- Connected to a Wi-Fi network:
  Constantly ON
- Cloud 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 second OFF
- Button pressed and held for 5 seconds:
  ¼ second ON / ¼ second OFF
- Button presses and held for 510 seconds:
  ⅛ second ON / ⅛ second 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):	36x41x17 mm / 1.42x1.61x0.67 in
Weight:
Mounting:	Wall console
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:	Red
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 / 24 - 60 VDC
Power consumption:	< 1 W
Output circuits ratings
Max switching voltage AC:	250 V
Max switching voltage DC:	60 V
Max switching current AC:	16 A
Max switching current DC:	10 A
Sensors, meters
Internal-temperature sensor:	Yes
Wattmeter (AC)	Yes
Radio
RF band:	2401 - 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)
MCU
CPU:	ESP8266
Flash:	2 MB
Firmware capabilities
Schedules:	18
Webhooks (URL actions):	6 with 5 URLs per hook
Scripting:	No
MQTT:	Yes
CoAP:	Yes

Basic wiring diagrams

Legend

Terminals		Wires
I	Load circuit input terminal	L	Live (110 - 240 VAC) wire
O	Load circuit output terminal	N	Neutral wire
SW	Switch (controlling O) input terminal	+	Positive wire
L, L1	Live (110-240 V) terminal	-	Negative wire
N	Neutral terminal