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Compact fluorescent (CFL)*

500

500

500

LED*

200

200

200

Minimum load (with neutral)

 All load types

1W

Minimum load (without neutral)

 Incandescent (tungsten)

7W

 Halogen

7W

 Fluorescent*

N/A

 Compact fluorescent (CFL)*

N/A

 LED*

N/A

Environmental

Operational temperature

32˚F ~ 104˚F (0˚C ~ 40˚C)

All load ratings are based on an ambient  
temperature of 77°F (25˚C).

Humidity

5% to 95% non-condensing

Storage

-4˚F ~ 158˚F (-20˚C ~ 70˚C)

Miscellaneous

Control communications

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

Wallbox volume

5.75 cubic inches

Weight

0.12 lb. (0.05 kg)

Shipping weight

0.22 lb. (0.10 kg)

NOTES

(1) The maximum load requirements for fluorescent, CFL and LED loads 

can vary greatly depending upon the specific fixture and/or bulb being 

used. These load types have significant in-rush current which can trip the 

protection circuitry on the device. 

(2) The quality and performance of these load types varies greatly 

from manufacturer to manufacturer. When using these load types, we 

recommend testing in advance. If problems are found, simply changing to 

a different bulb manufacturer may solve the problem.

(3) Additionally, we do not recommend the use of fluorescent, CFL, or 

LED loads without a neutral wire connected to the dimmer due to the 

capacitive nature of these load types.

(4) Wiring with a neutral is always the preferred wiring method (if 

possible). 

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.

ATTENTION!

 Coupez l’alimentation électrique avant d’installer ou de 

réparer ce produit. Une mauvaise installation ou utilisation peut entraîner 

des blessures graves, décès ou perte / dommages à la propriété.

WARNING! 

This device must be protected by a circuit breaker (20A max).

ATTENTION!

 Cet appareil doit être protégé par un disjoncteur (20A max.)

WARNING! 

Ground this device in accordance with the National Electric 

Code (NEC) requirements. DO NOT rely solely upon the yoke plate’s 

contact with a metal wallbox for adequate grounding. Use the device’s 

ground wire to make a secure connection to the safety ground of the 

electrical system.

ATTENTION! 

Cet 

appareil 

doit être en conformité avec le Code national 

de l’électricité (NEC). Ne comptez pas uniquement au contact de la 

plaque avant avec un boîtier mural métallique pour la mise à la terre 

adéquate. Utilisez cet 

appareil 

à la terre de l’appareil pour établir une 

connexion sécurisée au système électrique.

Supported models

• 

C4-KD120  Keypad Dimmer, 120V

• 

C4-KD277  Keypad Dimmer, 277V

Introduction

The Control4® Keypad Dimmer operates independently or as part of a Control4 

home automation system. It installs in a standard back box using typical wiring 

standards and communicates to the Control4 system using a wireless connection.

Box contents

• Keypad 

Dimmer

• 

Keycap Button Kit

• Wire 

nuts

• Warranty 

card

•  Keypad Dimmer Installation Guide

 (this document)

•  Keypad Button Installation Guide

Specifications and supported load types

The specifications are described below.

Model numbers

C4-KD120-xx, C4-KD277-xx

Power requirements

C4-KD120: /-10%, 50/60Hz 
C4-KD277: /-10%, 50/60Hz

This device can function with or without a 
neutral AC connection depending on load type. 
Wiring with a neutral is always the preferred 
wiring method (if possible). See load types and 
“Sample Wiring Configurations” below.

When wired without a neutral, loads may 
appear dimmer.

Power consumption

C4-KD120: 786mW; C4-KD277: 2.51W

Load types and ratings

Supported load types

Incandescent, halogen, electronic (solid state) 
low voltage (ELV) transformers, magnetic 
(iron core, inductive) low voltage (MLV) 
transformers, phase-dimmable fluorescents, 
compact fluorescents, and LEDs.

C4-KD120 maximum load

1 Gang

2 Gang

3+ Gang

Incandescent (tungsten)

600W

550W

500W

Halogen

600W

550W

500W

Fluorescent*

300W

300W

300W

Compact fluorescent (CFL)*

300W

300W

300W

LED*

120W

120W

120W

C4-KD277 maximum load

1 Gang

2 Gang

3+ Gang

Incandescent (tungsten)

1000

900

800

Halogen

1000

900

800

Fluorescent*

500

500

500

Keypad Dimmer  
Installation Guide

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