SHELLY PLUS ADD-ON Shelly Add-on for Shelly Plus (excluding probes)

SHELLY PLUS ADD-ON

R 390.00

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Shelly Add-on for Shelly Plus (excluding probes)

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SHELLY PLUS ADD-ON

Home Automation / Smart home

Shelly

SHELLY PLUS ADD-ON information and overview

Shelly Add-on for Shelly Plus (excluding probes), Galvanically Isolated Sensor Interface for All Shelly Plus relays, Use IT to measure temperature and Humidity using ITS 1-wire terminals, Connect various Analog and Digital sensors for complex Automation and higher efficiency

Great value! This product is available for only R 390.

Specifications & more information about SHELLY PLUS ADD-ON, Home Automation / Smart home manufactured by Shelly

Specifications & downloads View specification Printable PDF

Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.

Overview:

What is Shelly Plus Add-on?
Shelly Plus Add-on is a galvanically isolated sensor interface for all Shelly Plus relays. Use it to measure temperature and humidity using its 1-Wire terminals, or connect various analog and digital sensors for complex automation and higher efficiency.

Features:

Shelly Plus Add-on is compatible with most Arduino sensors! Use its digital or analog inputs to measure your desired parameters and create complex automation scenes based on the sensor data.

Specifications:

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	SHELLY PLUS ADD-ON
PHYSICAL
Size (HxWxD)	37x42x15 ±0.5 mm / 1.46 x 1.65 x 0.59 ±0.02 in
Weigh	105 g / 3.70 oz
Shell material	Plastic
Screw terminals max torque	0.1 Nm / 0.89 lbIn
Conductor cross section	max. 1 mm² / 17 AWG
Conductor stripped length	4.5 mm / 0.18 in
Color	Black
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 voltage AC	N/A
Power supply voltage DC	3.3 V (from Shelly plus device)
Power consumption	< 0.5 W (without sensors)
OUTPUT CIRCUITS RATINGS
VCC max. current	10 mA
VREF OUT max. current	1 mA
VREF+R1 OUT resistor	10 kΩ
SHELLY PLUS DEVICE FIRMWARE CAPABILITIES
Shelly Plus Addon supporting devices	Shelly Plus devices:
	-Shelly Plus 1/1PM
	-Shelly Plus 2PM
	-Shelly Plus i4/i4DC
	-Shelly Plus 0-10V Dimmer PM
	-Shelly Plus RGBW PM
	Shelly Gen3 devices:
	-Shelly 1/1PM Gen3
	-Shelly i4/i4DC Gen3
	-Shelly Dimmer 0/1-10V PM Gen3
Temperature reading	Depends on the DS18B20 or DHT22 sensors
Humidity reading	Depends on the DHT22 sensor
Digital input	-15 V to 0.5 V (True) / 2.5 V to 15 V (False)
Analog input range	0 to 100%
Analog input report threshold	1%
Voltmeter range	0 to 10 V
Voltmeter report threshold	0.1 V
Analog input / Voltmeter accuracy	Better than ±5%

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The best price and guaranteed service and backup from official computer suppliers in South Africa for the SHELLY PLUS ADD-ON Shelly Add-on for Shelly Plus (excluding probes).

The Shelly SHELLY PLUS ADD-ON Shelly Add-on for Shelly Plus (excluding probes) is available for R 390. The product is sold by ComX Computers as new. Prices are valid today 2026-10-18 (before 2026-10-19, by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.

Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.

Find related SHELLY PLUS ADD-ON Shelly Add-on for Shelly Plus (excluding probes) products in our Home Automation / Smart home Category for even more options. Read reviews and find out about SHELLY PLUS ADD-ON Shelly Add-on for Shelly Plus (excluding probes). Discounts, specials and cheap prices only at ComX Computers.

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