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Square Wired  
Configurable Keypad V2

Installation Guide

Introduction

The Control4® Square Wired Configurable Keypad is intended for use in a Control4 
system. It installs in a standard square (UK style) or round (EU style) wall box. 
Communication to the Control4 system is via RS-485 protocol and wiring. For RS-
485 wiring topologies, refer to the document 

Keypad Bus Wiring Guide.

Box contents

•  Square Wired Configurable Keypad 

•  Pluggable Terminal Block

• 

Square Wired Configurable Keypad V2 Installation Guide 

(this document)

• Warranty 

card

•  M3.5 machine screws (2) 

•  M4.0 machine screws (2) 

•  M3.0 thread-cutting screws (2) 

Specifications

Model number

C4-SKCB2

Power requirements

48VDC

Power consumption

Maximum 48VDC 1.2W
Minimum 48VDC 0.7W

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

RS-485

Weight

0.045 kg (0.1 lb)

Shipping weight

0.14 kg (0.3 lb)

Warnings and considerations

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. 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: 

This device must be attached to the wall box with screws. 

Wall boxes without screw holes for mounting (for example, those that 
require expansion clamps) are not compatible with this device.

Important: 

When installing the keypad in an EU-style (round) wall box, 

a Trim Ring (sold separately) must be installed between the keypad and 
the wall box. Trim Rings are available in both single-gang and dual-gang 
versions.

Caution! 

Do not exceed the number of keypads per power supply as 

indicated in the 

Keypad Bus Wiring Guide

. Exceeding the maximum 

number of keypads will result in overheating the wires, failed devices, 
and/or communication errors. 

Attention !

 Ne pas dépasser le nombre de claviers par bloc 

d’alimentation comme indiqué dans le 

Guide de câblage du clavier

Un dépassement du nombre maximal de claviers entraînera la 
surchauffe des câbles, périphériques défectueux, et/ou des erreurs de 
communication.

Installation instructions

Caution! 

When wiring the keypad, make sure that either:

• 

The Bus Power Supply is 

not

 

powered on.

- OR -

• 

The pluggable connector is disconnected from the Bus Power 
Supply.

Attention !

 Lors du branchement du clavier, assurez-vous que 

• 

Le Bus d’alimentation n’est pas sous tension ou 

• 

La prise est déconnecté de l’alimentation.

Determine whether the keypad will be installed in a UK-style (square) or EU-
style (round) wall box. If the keypad is to be installed in an EU-style (round) 
wall box, ensure that the appropriate trim ring (sold separately) is available 
before proceeding.

Prepare the cable for termination by stripping the outer sheath and 
individual wires, and then wire into the pluggable terminal block. 

Remove the pluggable terminal block from the back of the keypad, then 
connect wires to the terminal block as shown in Figure 1 below.

Figure 1: Keypad wiring

If installing in a round wall box, pull the wires and the pluggable terminal 
block through the center hole in the trim ring. Refer to Figure 3 for the 
proper front/back orientation of the trim ring.

Connect the pluggable terminal block to the keypad.

Fit the wires back into the wall box.

KeyPad

KeyPad

V+

GND

D+

D-

V+

GND

D+

D-

T

o

 Bus Ethernet 

Gateway

T

o

 Next Keypad

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