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DIN Rail Universal Dimmer Crestron DIN-1DIMU4
Auto Load Detection
Each channel of the DIN-1DIMU4 is capable of auto-detecting the
dimmable load type connected to it and selecting the appropriate
operating mode to control that load. Reverse phase (trailing edge) mode
supports incandescent and electronic low-voltage load types, while
forward phase (leading edge) mode handles magnetic low-voltage, neon
and other inductive load types. A non-dim mode is also selectable for
switching of non-dimmable lighting fixtures. Any channel may be set for
any mode, allowing one dimmer module to handle any combination of
lighting types on four separately controlled circuits.
Wilson Filter
A Crestron
®
proprietary zero cross filter technology, known as a Wilson
filter, provides superior immunity to noise on the power line, eliminating
lamp flicker and compensating for variations in the line voltage and
frequency.
Short Circuit Protection
Built-in OCP (over current protection) prevents failure of the
DIN-1DIMU4 caused by excessive loads or improper wiring of the
outputs.
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.
DIN Rail Installation
The DIN-1DIMU4 is designed to snap onto a standard DIN rail for
installation in a wall mount enclosure. Wiring connections are made
using detachable screw terminals and captive screws 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-1DIMU4’s front panel stays accessible while the connections are
concealed.
2 • DIN Rail Universal Dimmer: DIN-1DIMU4 Operations & Installation Guide – DOC. 6668A