Search results for: "LED"

Can Semper Fi transformers be used to power low voltage lighting fixtures made by another company?

posted in: Products Transformers

Click here to view answer



Do LEDs require the same transformer or power supply as low voltage incandescent lighting? 

posted in: Constant Voltage

Click here to view answer




Hello- What is the yellow and the black leads for on the 120 supply voltage side. Using a 12 vdc output transformer here to feed 12 vdc LED lighting. thank you

posted in: Transformers

Click here to view answer



What is the minimum load in watts for a 300 watt 120 volt to 12 volt 300 watt underground transformer to operate safely? We have always loaded the transformers to one third of capacity (300 watts = at least a 100 watt load)

posted in: Constant Current Constant Voltage Controls Drivers Power Modules Products Transformers

Click here to view answer




What is the difference between constant current and constant voltage?

posted in: Drivers Products Constant current

Click here to view answer




What does wiring LEDs in Parallel mean and is it recommended?

posted in: Constant Current Drivers Products

Click here to view answer



How do I determine if the fixture is current or voltage driven?  How do I select the correct Power Supply?

posted in: Constant Current Constant Voltage Controls Drivers Power Modules Products Transformers

Click here to view answer



Please help me size/select a dimmable power supply for an exterior LED flood light application .

Each LED Module is rated for 10 Watts at 12 VAC (Power Factor = 0.8)
There are 5 Fixtures being controlled together

posted in: Constant Current Constant Voltage Controls Drivers Power Modules Products Services Transformers Articles

Click here to view answer



I am reading the following on an LED spec sheet.  Under electrical, it reads  "LED is 3W. 50,000 hour LED life, 700mA constant current Power Supply. LEDs must be wired in series."  I want to select a driver to power 3 of the...

posted in: Drivers Products Constant Current

Click here to view answer



We ordered Model "S300", but received "R300" instead.  Why is this different?

posted in: Products Transformers

Click here to view answer



Every two weeks for the last 2 years, a 12 volt incandescent lamp burns out.  Voltage at lamp is 10.8 VAC typically.  We called the fixture manufacturer and they said it was a transformer issue.  How can we eliminate lamp failure?

posted in: Constant Voltage Controls Power Modules Products Services Transformers

Click here to view answer



Do the RPK LED Drivers have a Minimum Load Requirement?

posted in: Drivers Products Constant Current

Click here to view answer



How do I add LEDs to an existing installation?

posted in: Drivers Products Constant Current

Click here to view answer




How to Wire Several wire runs of LEDs using a Single Constant Current Driver?

posted in: Controls Products Constant Current

Click here to view answer



Model BVM calls out a single gang wiring box.  Can a 4x4 wiring box be used instead?

posted in: Gemini One Five LED Products

Click here to view answer



Regarding the LED steplights, would I include ?RPK? option in the model number if the customer wants a 120 VAC input?

posted in: Constant Current Constant Voltage Drivers LED Gemini One Five

Click here to view answer



Potting compound. Direct Burial transformers. What product do you recommend/supply for potting the wiring compartments.  

posted in: Articles Articles Case Studies Gemini One Five LED Products Services Transformers

Click here to view answer



I've attached a cut sheet for the fixture in question and the cut sheet of the LED lamp that will be used in it.  We need a transformer that will dim to 1%.  What is the best method?

posted in: Constant Current Constant Voltage Controls Drivers Power Modules Products Transformers LED

Click here to view answer