The IET is carrying out some important updates between 17-30 April and all of our websites will be view only. For more information, read this Announcement

Rules and Guidelines
Want to participate in the discussions? Please read our Community Rules and Guidelines. Need some help? Visit Support and Answers.

  • State Not Answered
  • Locked Locked
  • Replies 13 replies
  • Subscribers 13 subscribers
  • Views 5751 views
  • Users 0 members are here
Options
You may also be interested in
This discussion is locked.
You cannot post a reply to this discussion. If you have a question start a new discussion

Maximum current for a unit supplied from a 13A socket, taking supply voltages into account.

Anthony Hoare
I am currently developing a heated food merchandising unit to be supplied from a 13A three pin plug.


If the unit is designed around 230V, 13A,  do I have an issue when the supply voltage is at the top of its tolerance (230V + 10% = 257V).

As I have a purely resistive load, the current drawn would be 14.3A

Is this an accepted method or should the unit be designed around 257V 13A?


Your help would be appreciated.


Tony Hoare
  • Former Community Member
    0 Former Community Member in reply to Zoomup
    Voltages and power levels are a bit different for boilers. The Ideal 30kW combi, which means the energy consumption of 1,000 joules for 1 second, so 30kW is defined as 30,000 joules for one second.
  • Former Community Member
    0 Former Community Member in reply to Zoomup
    Voltages and power levels are a bit different for boilers. The Ideal 30kW combi, which means the energy consumption of 1,000 joules for 1 second, so 30kW is defined as 30,000 joules for one second.
  • Former Community Member
    0 Former Community Member in reply to Zoomup
    Voltages and power levels are a bit different for boilers. The Ideal 30kW combi, which means the energy consumption of 1,000 joules for 1 second, so 30kW is defined as 30,000 joules for one second.

Join us to get the best from IET EngX.

Joining EngX lets you personalise your experience so you stay up to date on the topics that interest you, plus you’ll be able to make connections who are looking to collaborate, exchange ideas and more.

Join us Not now

Community Rules & Guidelines