Class 1 vs class 2 led driver

What is the difference between them and can you do this sort of job with a normal licence or is there further training you have to do. When the ballast is the sink of a class 2 limited power circuit shall be identified as such with words class 2 circuit to indicate that the ballast. In addition, confusion often exists regarding the difference. Best practices for dynamic 010vdc led lighting control overview. Now, its known that led drivers are considered constant current devices, so why do manufacturers offer constant voltage drivers for leds as well. Its especially difficult when youre specifying between class 2 and class ii. What is the difference between sae class 1, sae class 2. Power supplies convert the 120v power into low voltage 12v or 24v power. An led driver with a ul class 1 rating has a high voltage output and safety protection is required within the fixture. Suitable for class 1 or class 2 circuit gray negative driver y. Difference between ul class 1 driver and ul class 2 driver. Compare our led lighting products with the competition. Power supplies that comply with the class 2 regulation are always marked or labeled as so.

Power supplies that conform to class 2 are usually certified to ul10. This is why some of our class 2 anp90 led drivers output at 90w instead of 100w. The drivers are suitable for use in indoor dry or damplocations. Ul is pleased to offer the class p led driver program to luminaire suppliers and manufacturers as a way to allow the industry to be more flexible in the marketplace, increase speed to market, and reduce certification costs, said michael ritto, p. Best practices for dynamic 010vdc led lighting control. For power supplies to be class 2 compliant, 12v dc drivers must be 60w and under and 24v drivers must be 96w and under. Listing in sign accessory manual sam confusing to field inspectors ul class 2 defined in ul 10 load voltage class 2 led drivers our ul class 2 led power supplies meet the us power supply safety standards used to regulate low power sources. Led drivers, or led power supplies, provide led light bulbs with the electricity they require to function and perform at their best, much like a ballast does for a fluorescent lamp and a transformer does for lowvoltage bulbs. What on earth is a class 1 led product electronics forums. Our constant voltage and constant current drivers have been employed in many us domestic led sign and lighting applications.

Sae class 1 warning lights lights in this class have a candela value greater than 8100, with some reaching close to 18,000 cdsm when used to clear traffic in emergencies. A technical sales team available to help you select the ideal class 2 led power supply or class 2 led driver that meets all your. Ul class 1 driver this led driver class supports high voltage output. Sep 09, 2008 i was looking at part time work while im at college and came across a job thats asks for hgv class 1 and 2 drivers. Logitech products with a class 1 ledlaser comply with international standards en 608251. Also for nec compliance, class 1 circuits up to 600v and class 2 circuits must be separated. When working on an existing installation, it is a simple matter of identifying the power source and checking its marking. Class 1 led beacon lights are the brightest available on the market, with a minimum of four times the intensity of a class 2 led beacon light.

Class 1 led laser products logitech products with a class 1 led laser comply with international standards en 60825 1. The class 2 circuit conductors are installed as a class 1 circuit o o 010v ballasts and drivers have a minimum spacing of 0. Our constant voltage and constant current drivers have been employed in many us domestic led. Basics of class 1, class 2 and class 3 remote control. Class ii has more to do with power supplies that are likely to come into contact with a member of the public. This led class 1 driver can support more number of leds unlike class 2. Whats the difference between class 1 and 2 hgv drivers. Class 2, 7 years warranties and low cost power supplies in stock available to ship today. The bus is designed for both class 1 or class 2 installations.

Integrated explosion proof led paint spray booth light. However our regular conversations with the experts in the led lighting and signage industries have taught us the importance of pushing the class 2 led drivers to their limit. Apr 09, 2019 ul class 1 drivers have output ranges outside ul class 2 designations. Iec class ii input models feature additional safety precautions such as double insulation or. Due to this limitations, there is restriction on number of leds class 2 driver can handle. These drivers operate using less than 60 volts in dry applications, 30 volts in wet applications, less than 5.

Power supplies are generally batteries, transformers or electronic power supplies. What is the difference between sae class 1, sae class 2 and sae class 3 warning lights. Fixture whip wiring methods for class 2 led drivers frequently. This application note explains how both class 1 and 2 wiring are made and how they both meet national electric code nec regulations. To pass inspection, a junction box must be installed to encapsulate a 120v ac wire connection to a 1224v dc power converter driver. At the time of writing we are not aware of any class 4 leds. Led driver xitanium specifications wiring diagram 95w 0.

Led driver and led power supply led driver, led power. Led dimming drivers are connected together by a 2 wire lowvoltage bus. The led lighting industry is maturing and so are uls certification programs. This allows precise pairing between the driver and led module, which results in a. The largest usa stocked selection of worldclass quality class 2 led power supplies. If you are providing a driver for a webcam or a digital camcorder, consider using the systemsupplied universal serial bus usb video class driver, usbvideo. This is a 120v to 12v transformer for lowvoltage halogen lights. Separation is required because high voltage wiring may induce ac voltages on. Detects amount of power required by the lights automatically within its published operational limits. The 60825 1 standards apply equally to lasers and leds. When your led light engine needs constant current drive and control as part of the assembly, our constant current led drivers are the appropriate led driver solutions.

Ul class 1 drivers have output ranges outside ul class 2 designations. Ive seen similar statements for laserbased products such as cd players or dvd players recorders, but in those cases, it is a warning. With the class p led driver program, you can now take full advantage of all of the benefits led technology has to offer. This augments the need for class ii input models which are required under iec60601 1 for medical. All luminaires are classified according to the protection against electric shock. This class 1 requires safety protection unlike class 2. Generally speaking leds would be in the lower classes 1, 1m, 2, 2m, 3r, but very exceptionally may be class 3b. A class 2 led driver can consist of several output channels but the maximum output power of each channel wont exceed 100 watts. Ul class 1 vs ul class 2 ul class 2 drivers comply with standard ul10, meaning output is considered safe to contact and no major safety protection is required at the led luminaire level. These drivers operate using less than 60 volts in dry applications, 30 volts in wet applications, less than 5 amps, and less than 100 watts. Class 1, 2, and 3 circuits are classified as remotecontrol, signaling, and powerlimited circuits in the national electrical code nec. Nec class 2 dc power supplies revision 2 may 3, 2002 this document is proprietary. When doing 010v dimming, your driver can be class 1 or class 2.

The maximum number of leds you can run from a single driver is determined by dividing the maximum output voltage of the driver by the forward voltage of your led s. They consist of controlsready, programmable ip67 drivers that are designed to provide enhanced features for topoftheline performance. Because i know under certain circumstances you can mix high and low voltage, one of the stipulations being that you remove the class 2 labeling from the lowvoltage power source. Ecosystem and tseries bus class 1 and class 2 listing app.

For fixedmounted led modules in a class ii luminaire, a crepage distance of 5mm and aperture of 3mm applies. For example, our rugged designed anp90, anp155 and anp240 constant voltage class 2 led drivers have passed the rigorous testing of ul 10 wet certification to ensure full operation in dry, damp and wet conditions. This class 2 power unit is perfect for inhome led lighting applications and comes with a 2 year warranty. Some led applications may consist of numerous led strings and several led drivers. Whats the difference between class 2 and class ii power. Can i use a class 1 transformer in place of a class 2 transformer.

What are the difference between class1 and class2, class i. Mean well do no offer a power supply that meets ul10. Dimming circuit is classified as class 2 as stipulated in ul10. Are led driver output circuits class 1 or class 2 systems.

Our modernized led driver offerings include the latest products to help meet thd, dlc and energy star requirements. Class 2 this is to do with electrical safety compliance in the usa and affects industrial power supplies. Unlike most bulbs that operate on a higher voltage alternating current, leds run on low voltage direct current. Class 2 power supply and other than class 2 options e.

To avoid potential cable overheating due to excessive currents and electric shock, the output of the power supply is limited to 60vdc or 100va, 100w when used with an acdc power supply. In most places we have used the word laser, but it can be replaced by led. I always thought class 2 rating depended solely on the power supply. May 23, 2011 class 2 is a classification referring to the nec national electric code. Reproduction of all or any part is authorized only after written authorization by solahevi duty. If your signage or lighting application is made up of led related illumination technology, be sure to employ a class 2 led driver to power your system. Im not even sure that this unit has any leds in it, so in this case, does the word led refer to something else. Would using a 0 to 10v dimmer on multiple led drivers, still be considered class 2, assuming each driver is supplied by its own 2 wire conductor, but sum of all drivers is greater than 100m. The combination drivers are supplied with a separate hightemperature nickelcadmium battery with one simple connection point and can deliver up to 10w or 6w, depending on the model, to a class 2 led load for 90 minutes in emergency mode. Unv dimmable led driver w tuning output voltage 37v load.

Ultimately, by selecting a class 2 or class ii certified power module, you are better protecting your design against electric shock and other hazards. Class 2 drivers operate on low voltage and are used in the majority of indoor led products. The maximum available output parameters of the led output were within the maximum allowable limits for class 2, inherently limited as specified in the ul 10 standard for class 2 power units. Philips advance xitanium led drivers are manufactured to engineering standards correlating to a designed and average life expectancy of. Class 2 led driver class 2 led power supply output.

Class 1 division 2 led lighting are robust, durable industrial luminaires engineered for hazardous locations and high particulate areas such as granaries, mills, and mines, locations with gasoline vapors like gas stations, airplane hangars, or auto shops, and environments where petrochemical vapors exist. Class 1,2 and 3 wiring electrician talk professional. Apr 27, 2016 class 1, 2 and 3 circuits are defined primarily in terms of the power supply to which they are connected. We maintain a broad selection of stocked led drivers. All 010vdc wiring should be done with shielded pair wiring with the shield grounded to earth at the controller. En 620031 refers to standard en60598 1 section 11, table 11. This information is provided for educational purposes only, any application or use of this information is at the users discretion. Usb video class driver overview windows drivers microsoft. What are the difference between class1 and class2, class i and. Figurt 2 010v ballasos and drivtrs wirtd fnr class 1 led driver. For power supplies to be class 2 compliant, 12v dc drivers must be 60w and. Preco introduces its led beacons which meet sae class 1, 2 and 3 standards.

Ul class 2 drivers comply with standard ul10, meaning output is considered safe to contact and no major safety protection is required at the led luminaire level. Our technical sales team can help you select the ideal class 2 led power supply or class 2 led driver that meets all your specifications. If the led driver fails prematurely, it may need to be replaced in the field. Following factors are considered while selecting led driver for use.

Bsod 1218x1w constant current 300ma high power led driver ac 85. If you want to install low voltage tape light, it too needs to be installed on a class 2 circuit and kept separate from any class 1 wiring. If it had a class 2 listing then that applied to the circuit. A wide variety of class 2 led driver options are available to you, such as ce, ccc, and bv. What is the difference between iec class i and class ii input. Difference between class 1 and class 2 transformer. Sep 12, 2017 the nec national electric code identification of class 2 refers to the output voltage and power capabilities of acdc supplies, while the iec international electrotechnical commission designator of protection, class ii, refers to a power supplys internal construction and electrical insulation. American lighting led dr12700 led constant current hardwire driver 700ma, class 2, 312 watts, nondimming. When using luxdrive drivers, you determine the maximum output voltage by subtracting 2 volts from your input voltage. If you are looking for the constant voltage output apv series, that product page is here. Class 1 division 2 led lighting, hazardous, wet locations. This is needed because the drivers need a 2 volt overhead to. This augments the need for class ii input models which are required under iec606011 for medical. The nec defines such circuits as that portion of the wiring system between the load side of the overcurrent protection device ocpd or the powerlimited supply and all connected equipment.

Basics of class 1, class 2 and class 3 remote control, signaling and powerlimited circuits. The biggest problem is that people dont realise that class 2 and class ii are 2 entirely different things. Also for nec compliance, class 1 circuits up to 600v and class 2 circuits must. This page compares ul class 1 driver vs ul class 2 driver and describes difference between led driver class types viz. A class 1 driver can accommodate more leds, making it more efficient than a class 2 driver. Mar 23, 2020 if you are getting confused about class 2 power supplies and class ii power supplies. One important choice is that of choosing a constant current led driver versus a constant voltage led driver. Led beacons in this class are designed for use on vehicles such as fire trucks, police cars, ambulances, and other emergency vehicles that move in traffic, or clear the traffic in their path en route to. These drivers operate using less than 60 volts dry and 30 volts wet, less than 5 amps, and less than 100 watts. I was looking at part time work while im at college and came across a job thats asks for hgv class 1 and 2 drivers. Philips advance xitanium led drivers are manufactured to engineering standards correlating to. Tech talk the difference between class 2 and class ii power. Led technology not only offers greater efficiency and longer lifetimes, but it also offers greater design freedom. Drivers may be programmed or tuned to set a maximum output for the led load.

Ul is the first standards development organization to officially offer this type of program, giving luminaire suppliers and manufacturers of led drivers increased flexibility in their supply chain. When an led driver is listed as ul class 2, it complies with ul standard ul10 indicating that energy. Lighting systems operating at 30volts or less shall be listed as a complete system per nec. Led drivers also protect leds from voltage or current fluctuations. The ul class 2 standard limits the output power to be less than 100w, output current to 5a, output voltage to 60vdc and leakage current to be less than 0. With the increasing demand and requirement of class 2 drivers by nec national electrical code day after day, led world lighting has brought to you led drivers choices in 12vdc and 24vdc. Our hazardous location led lighting products are also backed with a 5 year warranty.

All users should follow the cautionary instructions below. An led driver with a ul class 1 rating has a highvoltage output and safety protection is required within the fixture. The apc mean well driver is semi potted in an ip42 rated case with ul rated 1618awg wire connections. If so what do they call a normal licence if they are looking for people with them. Understanding the difference between nec class 2 and iec class ii designated power supplies is a simple, yet important factor in ensuring the correct products are specified in user applications. The operating window optimizes coverage for class 2 in terms of power, output voltage and current. This application note explains how the bus is installed in either type of configuration. The importance of ul listed in led lighting systems gre alpha. If you are looking for the constant voltage output apv. To speak with a sales rep about our led neon flex products, contact us today. Whether you are looking for led class 2 dimmable driver or class 2 regulated power supply, you will have some better options of fulfilling your requirement. Listing in sign accessory manual sam confusing to field inspectors ul class 2 defined in ul 10 load voltage class 1 and class 2 wiring overview 010v ballasts and drivers are connected together by a 2 wire low voltage bus that is suitable for class 1 or class 2 wiring installations. Led power supply, led class 2 dimmable drivers led world. The 010v ballast and driver is labeled class 2 rather than class 1 or class 2 because the ballast is a sink of power, not a source.