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Square Dual Load  

Wireless Switch

Installation Guide

Introduction

The Control4® Square Dual Load Wireless Switch operates independently or 

as part of a Control4 home automation system. It installs in a standard square 

(UK/China-style) wall box using typical wiring standards and communicates to the 

Control4 system using a wireless connection.

IMPORTANT! 

This device must be installed in a standard square 

UK/China-style single-gang wall box and use a single-gang EU 

faceplate. It 

cannot

 be installed in a round EU-style wall box or in multi-

gang boxes.

Box contents

•  Square Dual Load Wireless Switch

•  Square Dual Load Wireless Switch Installation Guide

 (this document)

•  M3.5 machine screws (2) 
•  M4.0 machine screws (2) 

Specifications and supported load types

Model numbers

C4-SDSW240-N

Power requirements

/-10%, 50/60 Hz 
This device requires a neutral connection.

Power consumption

950mW

Load types and ratings

Supported load types

Incandescent, halogen, electronic (solid state) 
low-voltage (ELV) transformer, magnetic (iron core, 
inductive) low-voltage (MLV) transformer, compact 
fluorescent, LED, and motor.

Maximum load per output

Incandescent (tungsten)

4A

Halogen

4A

Fluorescent

3A

Compact fluorescent (CFL)

3A

LED

1A

MLV

2A

ELV

2A

Motors

1/8 HP

Environmental

Operational temperature

0˚C ~ 40˚C (32˚F ~ 104˚F)

Humidity

5% to 95% non-condensing

Storage

-20˚C ~ 70˚C (-4˚F ~ 158˚F)

Miscellaneous

Control communications

ZigBee, IEEE 802.15.4, 2.4 GHz, 15-channel spread 
spectrum radio

Wires per connector

One 0.5 mm

2

 - 2.5 mm

2

OR 
Two 0.5 mm

2

 - 1.5 mm

2

Dimensions

81 × 81 × 30 mm (3.2 × 3.2 × 1.2 in.)

Depth in wall box

25.8 mm (1.0 in)

Weight

0.113 kg (0.25 lb)

Shipping weight

0.159 kg (0.35 lb)

Warnings and considerations

WARNING! 

Turn OFF electrical power before installing or servicing 

this product. Improper use or installation can cause SERIOUS INJURY, 

DEATH or LOSS/DAMAGE OF PROPERTY.

WARNING! 

This device must be protected by a circuit breaker  

(20A max).

IMPORTANT! 

This device must be installed by a licensed electrician in 

accordance with all national and local electrical codes.

IMPORTANT! 

This device requires a standard square UK/China-style 

wall box. It cannot be installed in a round EU style wall box.

IMPORTANT! 

Use this device only with copper or copper-clad wire. Do 

not use aluminum wiring. This product has not been approved for use 

with aluminum wiring.

IMPORTANT! 

To reduce the risk of overheating and possible damage 

to other equipment, do not install to control a receptacle or a motor 

operated appliance.

IMPORTANT! 

Using this product in a manner other than outlined 

in this document voids your warranty. Further, Control4 is NOT 

liable for any damage incurred with the misuse of this product. See 

“Troubleshooting.”

IMPORTANT! 

Do NOT use a power screwdriver to install this device 

or to tighten wire screw terminals. If you do, you may overtighten the 

screws and strip them. Also, overtightening the screws may interfere 

with proper button operation. 

IMPORTANT! 

This is an electronic device with intricate components. 

Handle and install with care!

IMPORTANT! Control4 does not guarantee the performance of any 

bulb or lamp/fixture in your environment. CUSTOMER ASSUMES 

ALL RISKS, INCLUDING ANY DAMAGE TO CONTROL4 PRODUCTS, 

ASSOCIATED WITH (i) THE TYPE, LOAD RATING AND QUAILITY OF 

THE BULB AND LAMP/FIXTURE, OR (ii) ANY USE OR INSTALLATION 

NOT IN ACCORDANCE WITH THE DOCUMENTATION FURNISHED BY 

CONTROL4, EITHER WITH THE CONTROL4 PRODUCT OR AT WWW.

CONTROL4.COM.

Installing the switch

Ensure that the location and intended use meet the following criteria:

•  Do not exceed the load capacity requirements of the switch. Refer to the 

load ratings in the specifications above for details.

•  Install in accordance with all national and local electrical codes.
•  The range and performance of the wireless control system is highly 

dependent on the following: (1) distance between devices; (2) layout 

of the home; (3) walls separating devices; and (4) electrical equipment 

located near devices.

Turn off the mains electrical power at the consumer unit. To ensure the wires 

do NOT have power running to them, use an inductive voltage detector.

Prepare each wire. Wire insulation should be stripped back 7 mm from the 

wire end.

Identify your wiring application, and then see the appropriate wiring diagram 

in the “Sample wiring configurations” section below.

Connect the switch to the wall box wires as shown in the applicable wiring 

diagram. Tighten screw terminals to 4 kg-cm.

Fit the wires into the wall box.

Align the switch to the wall box as shown in Figure 1 (note the 

UP

 orientation 

arrow on the switch), then fasten the switch to the wall box using the 

included M3.5 machine screws (UK-style wall box) or M4.0 machine screws 

(China-style wall box).

Figure 1: Square wall box installation

IMPORTANT! 

Tighten the screws until the device is flush with the wall 

surface, but no further. Overtightening can warp the switch and cause it 

to malfunction.

Attach the buttons (sold separately) as described in the 

Keypad Button 

Installation Guide

.

Install the Control4 Faceplate (sold separately) by placing the top of the 

faceplate on the device (note the 

UP

 orientation arrow on the inside of the 

faceplate) and firmly pressing the bottom until the faceplate snaps into place 

against the wall.

Note: 

To remove the faceplate, use a flathead screwdriver. Insert the 

screwdriver into the small gap on the bottom between the faceplate 

and the device, then twist the screwdriver blade to pop the faceplate 

off.

10 

Turn ON mains electrical power at the consumer unit.

Operating the switch

On initial power up, all status LEDs on the switch will illuminate green, indicating 

that the device has power. To set up this switch for use with a Control4 system, 

refer to the 

Composer Pro User Guide

 (

ctrl4.co/cpro-ug

). 

To operate this switch as a stand-alone device before configuring in 

Composer Pro or Composer Express:

•  Any button in the top half of the keypad will toggle load 1 on and off.
•  Any button in the bottom half of the keypad will toggle load 2 on and off.

Button tap sequences

The button tap sequences are defined in the table below. Button tap sequences 

that require a single button should use the top-most button installed on the 

switch. Button tap sequences requiring two buttons should use the top-most and 

bottom-most buttons installed on the switch.

Function

Button tap sequence

Identify

4

ZigBee channel

7

Reboot

15

Factory reset

9-4-9

Leave mesh and reset

13-4-13

Troubleshooting

If the light does not turn on:

•  Ensure that at least one LED on the face of the switch is lit.
•  Ensure that the light bulb is not burned out and is screwed in tightly.
•  Ensure that the circuit breaker is not turned OFF or tripped.
•  Check for proper wiring (see “Sample wiring configurations”). If the Line and 

Neutral wires are reversed, the light will be on while the switch is off, and vice 

versa.

•  For help on the installation or operation of this product, email or call the 

Control4 Technical Support Center. Please provide your exact model number. 

Contact [email protected] or see the web site 

www.control4.com

.

Care and cleaning

•  Do NOT paint the switch or its wall plate.
•  Do NOT use any chemical cleaners to clean the switch.
•  Clean surface of the switch with a soft damp cloth as needed.

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