Shelly Pro 2 v.1 is a modification of Shelly Pro 2 (SPSW-002XE16EU)
Shelly Pro 2 is now obsolete and out of sale.
Download Shelly Pro 2 multi-language printed user manual.
Differences with Shelly Pro 2 are marked by the
≠ symbol in the text below.
Power supply: no more 12 VDC option.
Relay: no more DC switching
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 identification (≠)
Device name: Shelly Pro 2 v.1
Device model: SPSW-202XE16EU
Device SSID: ShellyPro2-XXXXXX
Shelly Pro 2 is a DIN rail mountable 2-channel smart switch with potential-free contacts. 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 2 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 2 has an embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.
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.)
Simplified internal schematics (≠)
Device electrical interfaces
2 switch/button inputs on screw terminals: SW1 and SW2
2 power supply inputs on screw terminals: 1 N and 1 L
2 relay inputs: I1 and I2
2 relay outputs: O1 and O2
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.
Shelly proprietary serial interface
⚠CAUTION! High voltage on the add-on interface when the Device is powered!
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)
One tactile dome button
Press and hold 5 sec to reboot.
Press and hold 10 sec to factory reset.
Power (red): Red light indicator will be on if power supply is connected.
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 1 (red): Red light indicator will be on if the Output 1 relay is closed.
Out 2 (red): Red light indicator will be on if the Output 2 relay is closed.
94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in
76 g / 2.68 oz
Screw terminals max torque:
0.4 Nm / 3.54 lbin
Conductor cross section:
0.5 to 2.5 mm² / 20 to 14 AWG (green connectors)
Conductor stripped length:
6 to 7 mm / 0.24 to 0.28 in (green connector)
-20 °C to 40 °C / -5 °F to 105 °F
30 % to 70 % RH
2000 m / 6562 ft
Power supply voltage AC:
110 - 240 V
Power supply voltage DC:
< 3 W
Neutral not needed:
Output circuits ratings
Max switching voltage AC:
Max switching voltage DC:
Max switching current AC:
16 A per channel, 25 A total
Max switching current DC:
2400 - 2495 MHz
Max. RF power:
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
Webhooks (URL actions):
20 with 5 URLs per hook
Basic wiring diagram (≠)
Load circuit input terminals
Load circuit 1 live (110-240 V) cable
Load circuit output terminals
Load circuit 2 live (110-240 V) cable
Switch/button input terminals
Device power supply live (110-240 V) cable
Live (110-240 V) terminal
Local Area Network RJ 45 connector