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Shelly1 Pro 1PM WIFI Relays one phase, 1 Channel, 16A

Shelly1 Pro 1PM WIFI Relays one phase, 1 Channel, 16A

Regular price R 1,969.00 ZAR
Regular price Sale price R 1,969.00 ZAR
Sale Sold out

Shelly Pro 1PM v.1 is a modification of Shelly Pro 1PM (SPSW-001PE16EU)

Shelly Pro 1PM is now obsolete and out of sale.
Download Shelly Pro 1PM multi-language printed user manual.

Differences with Shelly Pro 1PM are marked by the  symbol in the text below.

Main changes:

  • Power supply: no more 12 VDC option.

  • Connectors: 3-terminal connectors are replaced by 2-terminal ones.

  • PCBs: relay 2-layer PCBs are replaced by 4-layer ones for better thermal performance.

  • LAN: improved high voltage electrical distances.

  • Plastics shell: improved dielectric performance.

Device indentification

  • Device name: Shelly Pro 1PM v.1

  • Device model: SPSW-201PE16EU

  • Device SSID: ShellyPro1PM-XXXXXX


Short description

Shelly Pro 1PM is a DIN rail mountable smart switch with power measurement capabilities. Enhanced with all the gen2 firmware flexibility and LAN connectivity, it provides professional integrators with many more 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.

Shelly Pro 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.

Shelly Pro 1PM has an 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.)

  • Industrial (factories, power plants, water processing, refineries, etc.)

  • Government/municipal

  • University/college


  • Google

  • Alexa

  • Samsung SmartThings

Simplified internal schematics (≠)



Device electrical interfaces (≠)


  • 2 switch/button inputs on screw terminals: SW1 and SW2

  • 2 powers supply inputs on screw terminals: 1 N and 1 L

  • 1 relay inputs: I


  • 1 relay outputs: O

Ethernet port

  • 1 RJ45 connector

⚠CAUTION! Plug in or unplug the LAN cable only when the Device is powered off! The LAN cable connector must not be metallic in the parts touched by the user to plug in or unplug the cable.

Addon interface

  • Shelly proprietary serial interface

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



  • Wi-Fi

  • Ethernet

  • Bluetooth (for inclusion purposes)

Safety features

  • Overheating protection

  • Overvoltage protection

  • Overcurrent 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


  • One tactile dome button

    • Press and hold 5 sec to reboot.

    • Press and hold 10 sec to factory reset.


  • LED indication

    • Power (red): Red light indicator will be on if power supply is connected.

    • Wi-Fi (varies):

      • Blue light indicator will be on if in AP mode.

      • Red light indicator will be on if in STA mode and not connected to a Wi-Fi network.

      • Yellow light indicator will be on if in STA mode and connected to a Wi-Fi network. Not connected to Shelly Cloud or Shelly Cloud disabled.

      • Green light indicator will be on if in STA mode and connected to a Wi-Fi network and to the Shelly Cloud.

      • The light indicator will be flashing Red/Blue if OTA update is in progress.

    • LAN (green): Green light indicator will be on if LAN is connected.

    • Out (red): Red light indicator will be on if the Output relay is closed.

Specifications (≠)





Size (HxWxD):

94x19x69 m±0.5 m / 3.70x0.75x2.71 ±0.02 in




DIN rail

Screw terminals max torque:

0.4 Nm / 3.54 lbin

Conductor cross section:

0.5 to 2.5 mm² / 20 to 14 AWG (green connector)
0.5 to 1.5 mm² / 20 to 16 AWG (blue connectors)

Conductor stripped length:

6 to 7 mm / 0.24 to 0.28 in (green connector)
5 to 6 mm / 0.20 to 0.24 in (blue connectors)

Shell material:





Ambient temperature:

-20 °C to 40 °C / -5 °F to 105 °F


30 % to 70 % RH

Max. altitude

2000 m / 6562 ft


Power supply voltage AC:

110 - 240 V

Power supply voltage DC:


Power consumption:

< 3 W

Neutral not needed:


Output circuits ratings

Max switching voltage AC:

240 V

Max switching voltage DC:


Max switching current AC:

16 A

Max switching current DC:


Sensors, meters

Voltmeter (AC)


Ammeter (AC)


Temperature sensor:



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:


Bluetooth Range:

Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)





8 MB

Firmware capabilities



Webhooks (URL actions):

20 with 5 URLs per hook







Basic wiring diagram (≠)

View full details