Crestron 4 Channel Fluorescent Dimming Module CNLFDB-4 Specifications Download Page 1

Controls

ID CODE: 

(2) Rotary DIP Switches, set Cresnet ID

NORMAL/OVERRIDE: 

(1) Slide switch, OVERRIDE forces all channels to full on

LED Indicators

NET POWER: 

Indicates DC power supplied from Cresnet network

ACTIVITY: 

Indicates communication with Cresnet system

Channels 1 – 4: 

Indicate each relay is energized

Environmental

Temperature: 

32° to 104°F (0° to 40°C) 

Humidity: 

10% to 90% RH (non-condensing)

Heat Dissipation: 

17 BTU/Hr + (0.3 BTU/Hr x Load Current in Amps) + (0.02 per ballast),

40 BTU/Hr at maximum load

Enclosure

Occupies 2 module spaces in a CLC-6 cabinet (order optional MTPL-02074-1 space plate)
Occupies 1 module space in a CSTC cabinet

Weight

3.5 lbs (1.59 kg)

www.crestron.com

|

800.237.2041

The CNLFDB-4 dimming module provides 4 channels of dimming for fluorescent
lighting fixtures equipped with Lutron

®

Hi-lume

®

or Eco-10™ three-wire electronic

fluorescent dimming ballasts. The CNLFDB-4 occupies a single module space in
any CSTC cabinet, or two spaces in a CLC-6 cabinet. The unit is designed to 
communicate with the PAC2 control system, or any Crestron control system, via
the Cresnet control network.

> 4 channels of phase-controlled dimming for Lutron Hi-lume FDB

or Eco-10 ECO three-wire electronic type fluorescent ballasts

> Switch control of non-dimmable loads

> Available for 120 or 277 Volt AC

> Occupies 1 module space in a CSTC lighting cabinet

> Controlled by PAC2 or PAC2M automation control system

AVAILABLE MODELS

CNLFDB-4 

4 Channel Fluorescent Dimmer, 3-Wire Electronic, 120V

CNLFDB-4/277 

4 Channel Fluorescent Dimmer, 3-Wire Electronic, 277V

SPECIFICATIONS

Load Ratings

Dimmer Channels: 

4

Per Channel: 

16 Amps 

Module Total: 

64 Amps

Load Types: 

Hi-lume FDB or Eco-10 ECO 3-wire electronic fluorescent dimming ballasts

Load Control: 

Phase-controlled dimming signal plus air-gap relay 

Relay Rating: 

20 Amp at 277 Volts AC, 1HP at 125 Volts AC

Power Requirements

Line Power: 

120 or 277 Volts AC, 60Hz, single-phase, all feeds must be same phase

Cresnet Power Usage: 

4 Watts (0.17 Amp @ 24 Volts DC)

Connectors

NET: 

(1) 4-pin 5mm detachable terminal block, Cresnet slave port

Connects to Cresnet control network

L-IN 1 - 4: 

(4) Captive screw terminals, line power inputs

L-OUT 1 - 4: 

(4) Captive screw terminals, switch outputs

DIM 1 - 4: 

(4) Captive screw terminals, dimmer outputs

NEUT: 

(1) Captive screw terminal, neutral

Specifications subject to change without notice.   Doc.4833   12/07

©2007 Crestron Electronics, Inc. All brand names, product names and trademarks are the property of their respective owners.

Crestron Electronics, Inc. 15 Volvo Drive

l

Rockleigh, NJ 07647

Tel: 800.237.2041 / 201.767.3400

l

Fax: 201.767.1903

Crestron CNLFDB-4

4 Channel Fluorescent Dimming
Module, 3-Wire Electronic

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