Installation Sheet
RDA-CKM Dual Choke Module
The RDA-CKM Dual Choke Module is used for debuzzing, lamp noise
reduction, and to correct minor common neutral interactions. This unit con-
sists of dual 350 µS rise time chokes. It occupies only one enclosure space
and is useful with the RDD-DM series of integrated dimmer modules. The
module's 120 and 240-277 VAC ratings are UL and C-UL approved.
Caution Pre-Installation Notes:
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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.
Mounting points
Run all low-voltage and control wires away from heat producing parts
of the dimmer.
Line In (hot)
High-voltage
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Each dimming circuit must have a separate neutral connection.
All electrical ratings are for continuous duty.
For indoor use only.
connections
Load out
AC lighting loads only.
350 µS Choke
Mounting points
FIG. 1 RDA-CKM
RDA-CKM UL and C-UL Ratings:
Input:
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120 VAC, 50/60 Hz, 2400 W
240-277 VAC, 50/60 Hz, 2400 W
Specifications:
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Dimensions (HW): 10.0" x 2.75" (254.00 mm x 69.85 mm)
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: 6.5 lbs (2.95 kg)
BTU/hr: 300
Suggested Loads:
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Incandescent
Low-voltage
Neon, cold-cathode
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