Check the listing for details. 3 Amp Variable Transformer, 300 VAC Max, 0~130V Output. Condition: New. Listed at 79.95 USD. Science Purchase Our eBay Store About Us--> Contact Us--> Add to Favorite Sellers--> Variable Transformer, 300 VAC Max, 0-130V Output, 3 Amp 79.95 --> Input: 120 volt AC, Output: 0~130 volt AC, 3 Amp Slow Blow FuseMax VA: 300VA, 3 Amp. Max (surge)A rating of 300VA means that at 100volt, the unit can sustain at maximum 3amp. If at 120 volt the unit can sustain at 2.5ampWARNING: Most devices have a surge amperage (when first turned on) that is much higher than the device's operating amp rating.EXAMPLE: A motor with a 3 amp rating may have over 5 amp surge, and you will need a 5 amp variable transformer This variable transformer is a great device for quality control testing, equipment testing on low and high voltage, control over heat, speed, and more. In order to purchase the right variable transformer, it is critical that you know the amp usage by your electronic device. It is always best to be conservative otherwise you risk destroying the variable transformer and it can be very dangerous. Most devices have a surge amperage (when first turned on) that is much higher than the device's operating amp rating. For example, if your device requires 3 amp, buy the variable transformer with up to 5 amp to account for the surge amperage. A rating of 300VA means that at 100volt, the unit can sustain at maximum 3amp. If at 120 volt the unit can sustain at 2.5amp. Note - Indoor use only. Do not operate in a condition that may cause electrocution and fire. Do not operate in a wet environment. Do not operate near flammable substance. Product Details Color Red Height 6.25" Length 4.75" Width 6.25" UPC --> Thank you for viewing our listing. If you have any questions about this item, please click the "Contact seller" link above.