Due to low demand, it is uncertain when the 240v version would be available, and would be several months off at least. Why is 240V called “Single Phase”? On the same circuit layout, 240V is worse than 110V. All 18k btu and greater models require 220V. It will become 104 volts to ground and 208V line to line. US single phase line-to-line mains voltage is interchangeably referred to as 220V, 230V, and 240V. If the appliance is rated for 220, 230, or 240V, your household 240V will work just fine. With this example, if our electric pump motor draws 10.8 Amps when running on a 120V circuit, you see from the motor label that it draws 5.4 Amps when in use on a 240CV circuit. or 208, single phase, 60 HZ. if it is 220v, you can operate it from 198v (220v-22v) up to 242v (220v+22v.) or 240v. I went for all 110v this time. To this end, there is no “everyone else in the world”. And for standard power supplies of 120V and 240V, matching products are equally efficient (120V to 120V vs. 240V vs. 240V). If you start taking things into account like wiring, and transformers, this all gets a little tricky. Typically 9k btu and 12k btu units are 110V. The 230v version has a voltage tolerance of +/-10%. So if we double the voltage, we cut the amps in half. Remember, a motor draws a certain number of watts, which is volts multiplied by amps. 230V vs 240V hardwire. Very clever. There are 208/220/240 volt three phase ac systems as well as 220/240 volt single phase ac systems. I've worked throughout Nevada, California, Arizona, New York, Maryland; Colombia, and Mexico. However, base on country voltage, there are only 3 240v plugs which are G, I and D. The outlet. Aren't ovens, dryers, etc. I am replacing a hot tub that I have installed outside my house. It talks about 208v. A PSU at 230V vs … A Buyer's Guide To Heaters: 120V vs. 240V By Shakir Williams on 08/09/2017. Electrical - AC & DC - Is 220V 230V 240V the same? 230V is the standard European voltage. Motors are rated for 10% over or under the nameplate voltage listed on the motor. Actual power company voltage varies (220v / 230v / 240v) by region, but to simplify we’re going to focus on 240V. In the US 120 / 240V 1 Phase 3 Wire is the standard for homes and 240V 3 Phase Open Delta is the standard for small buildings with large loads. 480v is a lethal force. I am looking at a steam generator for a shower. This is because it started off as 220V, but was raised incrementally over time to deal with increasing demands on the grid; right now, it's said to be 240V at the service entrance, but 230V at loads to account for voltage drops in building wiring. If it had been 240v, and someone had got hurt, questions would have been asked. Suppose you wire just the 480v machines for 480v. (Side note, the UK/Europe uses 230V as house wiring, lower losses etc.) In the United States, ductless mini split systems come in either 110V or 220V. 208 vs. 230 Volts. Is the 208v a european voltage?Also, I hear most people refer to 220v but here they talk about 240v. Re: 220V vs. 240V Sat Jun 19, 2010 4:46 am Line voltage in the US was generally 220v or 230v with a center tap for 110v or 115v up until some time (2-3 decades?) We have 1200W appliance, Watts= Volts x Amps, so if we use a 120 v circuit we would be drawing 10 A (1200/120) on the single hot conductor/circuit. European voltage is delivered to the consumer as 3-phase "Wye". You'd have to be without grid power for your 230v machines not to work. Thanks. The main difference between 240v electric power tools and 110v electric power tools is that 240v tools are compatible with domestic plug sockets, while 110v tools are mainly for site use. Similar to their 220V counterparts, some of these plugs could only be found on remote corners of the world. ago. This is a NEMA requirement. Here is an example of a 1200W microwave in a 120V vs. 240V circuit. About 20% of the countries use 110-120 V and/or 60Hz to power their homes. I pulled some of my data for 120v vs 240v charging frim the API which shows miles added to 2 decimals along with actual line voltage while charging: 117v/12A: 3.8 mph = 2.7 m/kWh 235v/16A: 14.3 mph = 3.8 m/kWh So, charging at 240v takes 30% less energy than charging at 120v for adding the same distance. So, a 230 volt motor can operate as low as 207 volts. The current tub is hardwired with a 240V/50AMP 4 wire GFCI. The fact of the matter is that there are many other countries that primarily use 120V. The choice of 120v vs. 240v hot tubs depends on your requirements from the hot tub and the kind of features or specifications you need. These voltages haven't changed. I also just did a Facebook Live video this morning baring my soul on the topic of flowing nitrogen in response to an Email. that is, if you have a 230v appliance it should be able to operate at a supply from 207v (230v-23v) up to 253v (230v+23v.) First is the idea that the United States is the only country in the world to use the 120V 60Hz standard. The power at the breaker box is 240, single phase, 60 Note that it will no longer be 120V to ground as the 120/240V system originally was. gregc73. Should I replace my 230v pump with a 120v pump? I … However, 208V refers to a different system voltage level. This question is vague. 220v is the actual voltage used in most europeon countries. So if you are doing some home DIY, you should opt for the 240v version of the power tool. You don't really know where you will be in 12 months time in this trade. You’ll see references to 220V appliances, 230V, 240V, and NEMA (the National Electrical Manufacturer’s Association) connectors are even rated at 250V. The 240v plug list is pretty much the same as the 220v one. What's the difference?Thanks 11 years ago. How 120V / 240V electricity is distributed from the power station and to your property. The only time you need to wonder is if it's rated 208V, which is common for industrial 3-phase machines. The 240v versions of similar amps are sold in Australia, but only the 230v version of the one I want is currently available, and would need to be imported. February 4, 2017 Bryan Orr 3 Comments. Personally I'm glad I did. This is close enough to 240V to run 3-phase 240V machines. Reply: Donny, In the EFFICIENCY of 120V vs 240V EQUIPMENT article above be sure to read the section "So what advantages do we get from running an electric motor at 240V rather than 120V? The new tub (actually used) electrical requirements are for a 230V/50AMP 4 wire GFCI.