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Trademaster® Wide Slide Single-Pole/3-Way, Preset CFL/LED Dimmer, White

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Works with select dimmable CFL/LED or incandescent lighting loads and features a sleek, sculpted ergonomic design for smooth, easy operation and precise control.
Application Sector Residential/Commercial
  • Residential/Commercial


  • Convenient Operation - Combines ON/OFF Decorator style switch with separate slider for dimming control.
  • Constant memory returns lights to previous level after a power failure.
  • Sleek, ergonomic design that matches well with other decorator products.
  • Higher ratings.
  • Single pole and 3-way operation.
  • Screw-pressure-plate back wire terminals to save time, space and money.
  • Rating: 450W LED & CFL: 700W Incandescent: 120VAC 60Hz.


General Info
Product Line Pass & Seymour
UPC Number 785007039375
Country Of Origin China
Application Sector Residential/Commercial
Standard cULus, RoHS
Technical Information
Wattage 450 W
Voltage 120 V


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Questions & Answers

I have 2 single gang outlet boxes in a room w/ a ceiling fan w/ light. What switches & wiring do I need to be able to turn on/off the ceiling fan light from both outlet boxes & to also have variable fan speed control from 1 of the boxes?

Asked by: Frank L
Hello Frank, Please give us a call at Pass & Seymour Technical Support to further review your request. Phone: 844-957-3783 Mon - Fri: 8am - 6pm EST (excluding holidays) Best Regards,
Answered by: Justin
Date published: 2023-01-13

Is there a list of compatible LED bulbs for this dimmer? I have been unable to find any, but the instructions say you can find a list at www.legrand.us

Asked by: Zac36
You can reach out to Technical Support and they can provide you with a list of compatible LED bulbs: Pass & Seymour products 1.800.223-4185 opt 1 Mon - Fri: 8am - 6pm EST (excluding holidays) Email Us - tech.support@legrand.us
Answered by: Legrand Technical Support
Date published: 2021-02-19

Confused by wiring instructions for single pole, which usually use brass colored screws with black screw being “common” for 3-way but this model has one of the brass screws taped off and the tape and instructions both say only use that screw for common? 

Asked by: Kevin
The wiring for a single pole application would be as follows: Hot wire to Black terminal(#1 on diagram) and Load wire to brass terminal(no tape - # 3 on diagram)
Answered by: Legrand Technical Support
Date published: 2019-10-07

Is this an ELV dimmer? Are all of your CFL/LED dimmers at this rating level, even if in different operational styles, also ELV? Same question for the dual fan control, motor load on one side for fan and ELV dimmer for LED light on fan?

Asked by: J.B.
This dimmer is not rated for ELV. This dimmer is intended for CFL and LED bulbs that screw into a medium base socket. We do not offer an ELV dimmer in this series. We do offer our Tru Universal dimmer Model RH703PTU for ELV loads. I have attached the link https://www.legrand.us/search.aspx?q=rh703ptu
Answered by: Legrand Technical Support
Date published: 2018-08-27

What is the procedure for adjusting dimmer when brightness varies at times ?

Asked by: Don D
The procedure to adjust the dimmer is as follows: Dimmer may require adjustment to the low end setting to reliably start and/or remove flickering in bulbs. To adjust, DISCONNECT POWER FROM CIRCUIT, and remove the Wallplate. Use a small insulated, flat tipped screwdriver to adjust the trim pot wheel, which is accessible via the slot (marked “CALIBRATION”) provided on the strap (Figure 1). Turn the wheel downwards to increase the minimum light intensity setting and turn the wheel upwards to decrease light intensity. Next, install the Wallplate, restore the power and test. Repeat above as necessary. If that doesn't correct the light levels, I would verify that you have the correct dimmer for your type of lighting. The WSCL453 dimmer is designed for Incandescent/CFL/LED medium base bulbs only.
Answered by: Legrand Technical Support
Date published: 2018-08-12
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