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DIN Rail Dimmer, 1 feed, 4 channels


4 channels of dimmingPhase-Synchronous Detection Circuitry 120 to 277 Volt 50/60 Hz operationVisit the Crestron® Lighting Fixture Compatibility page to find out which Crestron lighting devices have been tested and are compatible with third party lighting fixtures.

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Key Features

  • 4 channels of dimming
  • 120 to 277 Volt 50/60 Hz operation
  • Selectable non-dim mode
  • Master air-gap relay
  • Override input
  • Cresnet® communications
  • Setup via front panel or software
  • Programmable functionality via DIN-AP3
  • 12M wide DIN rail mounting
  • CEC Title 24 2013 Compliant

Product Overview

The DIN-1DIM4 is a DIN rail mounted lighting control module with four channels of dimming. A single model supports both 120 and 220-277 Volt electronic and magnetic low-voltage, incandescent, neon/cold cathode, 2-wire dimmable fluorescent, and non-dimmable lighting loads up to 5 Amps per channel, 10 Amps total.

Phase-Synchronous Detection Circuitry

Proprietary zero cross filter technology from Crestron® provides superior immunity to noise on the power line, reducing lamp flicker and compensating for fluctuations in line voltage and frequency.

Master Air-Gap Relay

When all four channels are turned fully off, the internal master relay automatically opens providing air-gap isolation to allow safe servicing and changing of light bulbs on all four controlled circuits.

Override Input

An override input is provided to allow an external contact closure to momentarily override the control system program and set each channel output to its override preset level. Levels can be adjusted and saved locally from the front panel, or remotely via software.

DIN Rail Installation

The DIN-1DIM4 is designed to snap onto a standard DIN rail for installation in a wall mount enclosure. Wiring connections are made using screw terminals positioned along the bottom, clearly accessible from the front for easy installation and servicing. All setup controls and indicators are positioned on the center front panel. When installed in an enclosure utilizing 45 mm cutouts, the DIN-1DIM4's front panel stays accessible while the connections are concealed.


The DIN-1DIM4 communicates with a DIN-AP3 Automation Processor, or other Crestron 3-Series® control systems, via the Cresnet control network. A pair of Cresnet ports on the DIN-1DIM4 allows for easy daisy-chaining of several DIN Rail Series automation control modules.

  1. Captive screw terminals accept up to 12 AWG (2.5 mm²) wires per terminal.
  2. Unit dissipates significant heat when fully loaded and should be mounted in an enclosure that is sufficiently ventilated to maintain an ambient temperature not exceeding 104°F (40°C). Maintain 4 inches (102 mm) minimum spacing above and below for proper ventilation and heat dissipation, 6 inches (153 mm) spacing recommended.

This product may be purchased from an authorized Crestron dealer. To find a dealer, please contact the Crestron sales representative for your area. A list of sales representatives is available online at or by calling 800-237-2041.

The specific patents that cover Crestron products are listed online at:

Crestron, the Crestron logo, 3-Series, and Cresnet are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2015 Crestron Electronics, Inc.

Product Specs

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