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Installation Sheet
RDM-2SWM Dual Switch Module 20A
The RDM-2SWM Dual Switch Module is a 20 A general-purpose relay
module built for the economical switching of incandescent lamps, switched
low-voltage transformers, switched fans, and small motors. It uses positive
air gap relays. The RDM-2SWM is designed for use with the RDA series of
enclosures, in an AMX Lighting™ modular digital dimming system. This
module's 120, 240, and 277 VAC ratings are CE, UL, and C-UL approved.
RDM-2SWM UL and C-UL Ratings (per circuit)
• General purpose: 2400 W
• Resistive: 2400 W
• Ballast: 2400 W
• Motor: 277 VAC, 1 hp
Suggested Switched Loads
• Incandescent
• Low-voltage
• Motors
• Switched outlets
• Fluorescent
Specifications
• Dimensions (HW): 10.00" x 2.75" (25.40 cm x 6.99 cm)
• Non-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: 0.75 lbs. (0.34 kg)
• BTU/hr: 5 each, 10 total
• Control current: 85 mA per relay (170 mA total) @ 12 VDC
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 the unit.
• Keep top and bottom air vents clear at all times.
• Test loads for shorts before connecting.
• Use low-voltage wires with a 300 volt rating or greater.
• Use field installed copper conductors.
• All electrical ratings are for continuous duty.
• For indoor use only.
• This module may require extra power from the AXlink connection or an
external power supply connected to the control card.
Connecting the RDM-2SWM to the AMX Lighting Master
FIG. 1 RDM-2SWM Dual Switch Module
Relay A
Relay B
Line in (hot)
Load out
Mounting
points
Low-voltage control wiring:
4-pin connection to AMX
Lighting master controller
High-voltage
connections
FIG. 2 RDM-2SWM connections
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
3 (-)
1 (+)
RDM-2SWM 4-pin module connector
4-pin plug from 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).