Incandescent Dimmer Module RDM-INC Manuals




Installation Sheet
RDM-INC Incandescent Dimmer Module
2400 W
The RDM-INC Incandescent Dimming Module is designed for use with the 

Test loads for shorts before connecting.
RDA series of enclosures, in a AMX Lighting™ modular digital dimming 

Use low voltage wires with a 300 volt rating or greater.
system. It is a standard 2400 W incandescent dimmer. It can dim incandes-

Use field installed copper conductors.
cent lights, cold-cathode, neon and two-wire dimmable ballasts. The RDM-

Run all low-voltage and control wires away from heat producing parts 
INC module's 120, 240, and 277 VAC ratings are CE, UL, and C-UL 
of the dimmer.
approved.

Each dimming circuit must have a separate neutral connection.
Mounting

All electrical ratings are for continuous duty.
points

AC lighting loads only.

For indoor use only.
Line In
High-voltage

This module may require extra power from the AXlink connection or an 
connections
Line Out
external power supply connected to the control card.
Connecting the RDM-INC to the AMX Lighting Master
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
RDM-INC four-pin module connector
350µS
2 (-)
Choke
1 (+)
4-pin plug from a RDM series module
Note: The 4-pin plugs from the module
connector to the 4-pin connector on the
master (black plug cover facing up).

FIG. 2  Connecting the RDM-INC to the AMX Lighting Master
Lighting Application Drawing
20 A power device
All neutrals are common
to the Neutral block in the
enclosure. Provide a 
separate neutral for each
load.
Line in
Low-voltage control
(HOT)
Load
wiring: 4-pin
connector to AMX 
 
Lighting master
controller
FIG. 1  RDM-INC
 
Neutral
RDM-INC UL and C-UL Ratings:
Load

120 VAC, 50/60 Hz, 2400 W
Neon lights

240/277 VAC, 50/60 Hz, 2400 W
Circuit breaker
(cold-cathode, on/off)
panel
Suggested Dimmed Loads:

Incandescent
Neutral

Low-voltage

Neon, cold-cathode
Load

Two-wire, phase-controlled ballast
Two-wire dimmable ballast
Specifications:
FIG. 3  Sample wiring diagram

Dimensions (HW): 10.0" x 2.75" (25.4 cm x 6.985 cm)

Phase dependant

Use wires rated at 75°C (167°F)

Torque terminals to 7 in-lbs. (0.8 N/M)

Max. wire size: 10 AWG (4 mm²)

Wire stripping length: 0.28" (7 mm)

Weight: 3.7 lbs. (1.67 kg)

BTU/hr: 300

Control current: 45 mA @ 12 VDC

Choke: 350 µS Rise time @ 120 VAC
            175 µS Rise time @ 240 VAC
Caution: Pre-Installation Notes:

All Class 1 wiring must be connected to proper terminals.

All control wiring must be connected to proper terminals.

Disconnect power while installing or connecting unit.

Keep top and bottom air vents clear at all times.

Document Outline



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