Shelly Plus Plug US

Device identification

Name: Shelly Plus Plug US

Model: SNPL-00116US

Device SSID: ShellyPlusPlugUS-XXXXXX

BLE Model ID: –

Short description

Shelly Plus Plug US is a smart plug/outlet with power measurement and overheating protection,
enabling remote control of connected appliances via smartphone, tablet, PC, or home automation platform.
It operates standalone on a local Wi-Fi network or via cloud control and includes an embedded Web Interface
for monitoring, configuration, and automation.

Main features

• Smart plug with power monitoring
• Overheating, overvoltage, overcurrent, and overpower protection
• Local and cloud operation
• Embedded Web Interface for remote monitoring and control
• Wi-Fi and Bluetooth connectivity

Use cases

• Residential: Remote appliance control and energy management
• MDU: Apartments, condos, hotels
• Light commercial: Offices, retail stores, restaurants, gas stations
• Government/municipal: Smart infrastructure and facility automation
• University/college: Laboratory and dormitory appliance control

Integrations

Google

Samsung SmartThings

Alexa

Simplified internal schematics

Shelly Plus Plug US simplified internal schematics

Device electrical interfaces

Input: 1 NEMA 5-15 (Type-B) plug

Output: 1 NEMA 5-15 (Type-B) socket

Connectivity

Wi-Fi

Bluetooth

Safety function

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 (LED drivers, transformers, fans, refrigerators, air-conditioners)

User interface

Inputs: One push button

• Hold 5s → reboot (within 60s of plugging in)

• Hold 10s → factory reset (within 60s of plugging in)

Outputs: LED indication

• Blue flashing quickly → AP Mode

• Blue flashing slowly → Connected to Wi-Fi

• Blue steady → Connected to Shelly Cloud

• Red steady → Power supplied to appliance

• Red flashing slowly → Reboot initiated (button held 5s)

• Red flashing quickly → Factory reset initiated (button held 10s)

• Red & Blue flashing alternately → Firmware update in progress

Physical

Size (HxWxD): 38×84×52 mm ±0.5 / 1.5×3.3×2.0 in ±0.02

Weight: 70 ±1 g / 2.47 ±0.04 oz

Compatible sockets: NEMA 5-15 (Type-B)

Compatible plugs: NEMA 1-15 (Type-A) and NEMA 5-15 (Type-B)

Shell material: Plastic

Color: White

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): 120 V ±10%, 60 Hz

Power supply (DC): N/A

Power consumption: < 1 W

Output ratings

Max switching voltage AC: 140 V~

Max switching voltage DC: N/A

Max switching current AC: 15 A

Max switching current DC: N/A

Sensors & Meters

Internal temperature sensor: Yes

Voltmeter: Yes

Ammeter: Yes

Power & energy meters: 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

Flash: 4 MB

Firmware capabilities

Webhooks: 20 (up to 5 URLs each)

Scripting: Yes

MQTT: Yes

CoAP: No