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Shelly

Shelly Pro 1 UL

Shelly Pro 1 UL

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Regular price $54.49 USD
Regular price Sale price $54.49 USD
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5 Years Manufacturer Warranty T&C apply

A 1-phase, single-channel relay with dry contact outputs, supporting up to 16A. Designed for reliable automation of lights and appliances in both homes and commercial spaces.

Key features

  • LAN, Wi-Fi, and Bluetooth connectivity
  • One output, 16 A
  • Dry contacts
  • Easy control through the Shelly app, various protocols, platforms, and voice assistants
  • Supports KNXnet/IP communication
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Technical details

Device identification


Name: Shelly Pro 1 v.1 ≠

Model: SPSW-201XE16EU ≠

Device SSID: ShellyPro1-XXXXXX ≠

Short description


Shelly Pro 1 is a DIN rail–mountable smart switch with potential-free contacts.
Enhanced with all the Gen2 firmware flexibility and LAN connectivity, it offers
professional integrators more options for end customer solutions.
It can operate standalone in a local Wi-Fi network or through cloud automation platforms.
The device can be controlled and monitored remotely from anywhere with Internet access.
An embedded Web Interface provides direct monitoring, control, and advanced settings.

Main features

  • DIN rail mountable
  • Potential-free relay contacts
  • Gen2 firmware flexibility
  • LAN connectivity
  • Embedded Web Interface
  • Remote access and monitoring

Use cases

  • Residential: Appliance and lighting automation
  • MDU: Apartments, condominiums, hotels
  • Light commercial: Small offices, retail, restaurants, gas stations
  • Government/municipal: Facility automation
  • University/college: Campus management

Integrations


Google

Alexa

Samsung SmartThings

Simplified internal schematics


Available for updated Pro 1 wiring ≠

Device electrical interfaces


Inputs: 2 switch/button inputs (SW1, SW2)

Power supply: 2 terminals (1N, 1L)

Relay input: I

Outputs: 1 relay output (O)

Ethernet port: 1 RJ45 connector


⚠ CAUTION! Plug/unplug LAN cable only when powered off. LAN connector must not expose metallic touch points.

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


Add-on interface: Shelly proprietary serial interface

Connectivity


Wi-Fi

Ethernet

Bluetooth

Safety function


Overheating protection

Supported load types

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

User interface


Inputs: One tactile dome button

• Hold 5s → reboot

• Hold 10s → factory reset


Outputs: LED indication

• Power → Red (on if power supply is connected)

• Wi-Fi → Blue (AP mode)

• Wi-Fi → Red (STA mode, not connected)

• Wi-Fi → Yellow (STA mode, connected, cloud disabled)

• Wi-Fi → Green (STA mode, connected, cloud enabled)

• Wi-Fi → Flashing Red/Blue (OTA update)

• LAN → Green (LAN connected)

• Output → Red (relay closed)

Specifications

Physical


Size (HxWxD): 94×19×69 mm ±0.5 / 3.70×0.75×2.71 in ±0.02

Weight: 63 g / 2.22 oz

Mounting: DIN rail

Screw terminals torque: 0.4 Nm (3.54 lbf·in)

Conductor size: 0.5–2.5 mm² (20–14 AWG, green connector); 0.5–1.5 mm² (20–16 AWG, blue connectors)

Strip length: 6–7 mm (0.24–0.28 in, green connector); 5–6 mm (0.20–0.24 in, blue connectors)

Shell material: Plastic

Color: Blue

Environmental


Ambient temperature: −20 °C to 40 °C (−5 °F to 105 °F)

Humidity: 30–70% RH

Max altitude: 2000 m (6562 ft)

Electrical


Power supply (AC): 110–240 V~

Power supply (DC): N/A

Power consumption: < 3 W

Neutral required: No

Output ratings


Max switching voltage AC: 240 V~

Max switching voltage DC: N/A

Max switching current AC: 16 A

Max switching current DC: N/A

Sensors & Meters


Internal temperature sensor: Yes

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; 50 m / 160 ft outdoors (depends on conditions)

Bluetooth protocol: 4.2

Bluetooth range: Up to 10 m / 33 ft indoors; 30 m / 100 ft outdoors (depends on conditions)

MCU


CPU: ESP32-D0WDQ6

Flash: 8 MB

Firmware capabilities


Schedules: 20

Webhooks: 20 (up to 5 URLs each)

Scripting: Yes

MQTT: Yes

CoAP: No

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