Installation Sheet
RDM-ZC50 Zero Cross Module
6000 W
The RDM-ZC50 Zero Cross Module is a 6000 W solid-state zero-cross
relay built for extra large loads. It is designed for use with the RDA series of
enclosures, in an AMX Lighting™ modular digital dimming system. The
RDM-ZC50 module's 120 VAC and 277 VAC ratings are CE, UL, and C-UL
approved.
RDM-ZC50 UL and C-UL Ratings
120-277 VAC, 6000 W
Suggested Switched Loads
•
Incandescent
•
Electronic transformers
•
HID ballast
•
Fluorescent ballast
Specifications
•
Dimensions (HW): 10.00" x 2.75" (25.40 cm x 6.99 cm)
•
Non-phase dependant
•
Use 75°C (167°F) copper conductors only
•
Torque terminals to 16 in-lbs. (7.25 kg-m)
•
Max. wire size: 6 AWG; 14 AWG min.
•
Wire stripping length: 0.35" (9 mm)
•
Weight: 1.0 lb. (0.45 kg)
•
BTU/hr: 400
•
Control current: 45 mA @ 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.
•
Run all low-voltage and control wires away from heat producing parts
of the dimmer.
•
Each dimming circuit must have a separate neutral connection.
•
All electrical ratings are for continuous duty.
•
AC lighting loads only.
•
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-ZC50 to the AMX Lighting Master
Lighting Application Drawing
FIG. 1 RDM-ZC50
Low-voltage control
wiring: 4-pin controller
to AMX Lighting master
controller
Zero cross relay
Line in (hot)
Load out
High-voltage
connections
Mounting points
FIG. 2 RDM-ZC50 connections
FIG. 3 RDM-ZC50 wiring configuration
Pin 4 (GND)
Pin 3 (RLY)
Pin 2 (DIM)
Pin 1 (+12 V)
3 (-)
1 (+)
RDM-ZC50 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).
Ballast
Circuit breaker
panel
Neon lights
(cold-cathode, on/off)
Neutral
Load
All neutrals are common
to the Neutral block in the
enclosure. Provide a
separate neutral for
each load.
Load
Neutral
Fluorescent Lighting
Line in (HOT)
Load
Neutral