WS TradeMaster0-10V Dimmer - 120V 10A / 277V 5A - Tri-Color

3 Reviews
Brand: Legrand
Mfr Part Number: WS4FBL3PTC

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The Legrand WS TradeMaster WS4FBL3PTC 0-10V dimmer works with 0-10V, 4 wire fluorescent dimming ballasts and LED drivers. The WS4FBL3PTC is rated for 120V AC 10A or 277V AC 5A with 0-10V DC 30mA sink. The preset paddle switch enables easy on/off operation, plus a large slide dimmer to change the light level. This 0-10V dimmer can be wired in single pole or 3-way operation.

  • For use with 0-10V, 4 wire, 120V 10A/277V 5A LED and fluorescent dimming drivers/ballasts
  • Convenient operation - combines ON/OFF Decorator-style switch with separate slider for dimming control
  • Preset, single pole and 3-way operation
  • No need for separate power pack
  • UL listed for indoor use

Brochures & Spec Sheets

DocumentationLegrand Pass & Seymour WS4FBL3PTC BrochureDocumentationLegrand Pass & Seymour WS4FBL3PTC Installation

Electrical & Operational Information

Input Voltage277VAmps10


Color FinishIvory, Light Almond, WhiteControl OperationWired
Dimming Control0-10V, FluorescentLoad TypeFluorescent, 0-10V
Series/FamilyPass & SeymourSwitch Control TypeSingle Pole, 3-Way
Switch TypeSlide, Rocker

Warranty & Certifications

CertificationsRoHSUL Listedyes

Dimensions & Measurements

Product Length (in.)1.25Product Width (in.)1.75
Product Height (in.)4.25Overall Weight (lbs.)0.33

Ratings & Reviews

3 reviews

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nice dimmer - but...

by -

Customer and his staff like the dimmer. From a professional perspective and in view of todays technology, I feel it could do better at the "bottom range of volume". I adjusted it per instructions, but the last 30% toward zero simply is not there like an incandescent.

did good

by -

did good


by -

The LED light was exactly as described. Works perfect!