Ask Experts Questions for FREE Help !
Ask
    ModiseR's Avatar
    ModiseR Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 1, 2010, 08:34 AM
    Overload setting -
    How to set the overload relay for a DOL 3phase motor starter? e.g if the motor rating is 10A. What will be the setting?
    ModiseR's Avatar
    ModiseR Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Feb 1, 2010, 08:37 AM
    Overload setting -
    How to set the overload relay for a DOL 3phase motor starter? e.g if the motor rating is 10A and connected in star. What will be the setting?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #3

    Feb 1, 2010, 10:30 AM
    Typically, an overload setting is 25% higher than the rated running load of a motor, as per the NFPA 70 National Electric Code, used in the USA.

    You need to check the datasheet of the overload relay you have. Some want the setting to be the same as the amp rating of the motor, as the increase is built in. Some require you to set it at the higher calculated setting.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

What is overload [ 6 Answers ]

What is the mean of over load in electricity?

Overload sub panel [ 8 Answers ]

We are renovating an old house and have converted it to 3 apartments. We had a 200 amp panel in the basement and a sub panel on the first floor. WE have been upgrading the wiring (most of which was knob and tube) and we have added new wiring to the sub panel box. The problem is that half of the...

Circuit Overload [ 11 Answers ]

Hi, I returned home from work last night to find a outlet about to set fire in my bedroom.I immediately turned off the circuit.The receptacle was glowing red behind the wall And the drywall was scorched just a little.There was an battery charger plugged in and I believe it may have had something...

Overload setting [ 3 Answers ]

How to set the overload for an electrical circuit?

View more questions Search