AMX RDM-ZC50 User Manual

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.

Mounting points

Line in (hot)

Load out

Zero cross relay

Low-voltage control
wiring: 4-pin controller
to AMX Lighting master
controller

FIG. 1 RDM-ZC50

High-voltage
connections

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

Pin 4 (GND)
Pin 3 (RLY)

Pin 2 (DIM)

Pin 1 (+12 V)

RDM-ZC50 4-pin module connector

3 (-)

1 (+)

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).

FIG. 2 RDM-ZC50 connections

Lighting Application Drawing

All neutrals are common
to the Neutral block in the
enclosure. Provide a
separate neutral for
each load.

Neutral

Line in (HOT)

Circuit breaker
panel

FIG. 3 RDM-ZC50 wiring configuration

Load

Fluorescent Lighting

Ballast

Load

Neutral

Neutral

Load

Neon lights

(cold-cathode, on/off)

AMX Corporation reserves the right to alter specifications without notice at any time.

For full warranty information, refer to the AMX Instruction Manual(s) associated with your Product(s).

The AMX logo is a trademark of AMX Corporation. AMX Cor poration reserves the right to alter specifications without notice at any time.

3000 research drive, richardson, TX 75082 USA • 469.624.8000 • 800.2 22.0193 • fax [phone] • technical suppor t 800.932.6993

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