S1. E4. Ask the Experts - NEMA, IEC and DP contactors
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On July 27, 2021 Eaton’s contactor experts participated in an Ask the Experts forum to take and answer questions around the differences between NEMA, IEC and DP contactors. Discover their differences, when to select which and in-depth knowledge related to all of the different options and configurations available. At the end of the video click on a QR code to download Eaton's Contactor Selection Criteria Quick Guide. Questions Asked. 2:16 How to select a contactor? 4:13 What is the difference between NEMA IEC and DP contactors? 6:05 Can I change a DC coil to another DC voltage coil in a Freedom contactor or starter? 7:14 What is the difference between AC one and AC three, IEC contactor ratings? 10:30 What are the mounting options for freedom contactors and starters? 11:37 What can be an estimate of contact life on AC one and AC three contactors, if nearly 80% of the load is used? 14:02 When do I use KW or HP to select a contactor? 16:43 Do you see a transition to IEC in the US market? 18:12 Are there any major size differences between NEMA, IEC and DP? 23:49 What is the market for definite purpose contactors? 24:52 Is it better to use AC or DC coils? 25:56 What's the max auxiliary context you can provide on the NEMA and the IEC contactors? 27:08 When should I purchase a motor starter, versus a variable frequency drive? 28:12 What makes NEMA contactors more expensive than IEC contactors? 30:32 In a group mounting configuration of panels, it's usually for IEC. Is that applicable for NEMA too? 31:26 Get the Contactor Selection Criteria Quick Guide For more information visit https://www.eaton.com/contactors.
On July 27, 2021 Eaton’s contactor experts participated in an Ask the Experts forum to take and answer questions around the differences between NEMA, IEC and DP contactors. Discover their differences, when to select which and in-depth knowledge related to all of the different options and configurations available. At the end of the video click on a QR code to download Eaton's Contactor Selection Criteria Quick Guide. Questions Asked. 2:16 How to select a contactor? 4:13 What is the difference between NEMA IEC and DP contactors? 6:05 Can I change a DC coil to another DC voltage coil in a Freedom contactor or starter? 7:14 What is the difference between AC one and AC three, IEC contactor ratings? 10:30 What are the mounting options for freedom contactors and starters? 11:37 What can be an estimate of contact life on AC one and AC three contactors, if nearly 80% of the load is used? 14:02 When do I use KW or HP to select a contactor? 16:43 Do you see a transition to IEC in the US market? 18:12 Are there any major size differences between NEMA, IEC and DP? 23:49 What is the market for definite purpose contactors? 24:52 Is it better to use AC or DC coils? 25:56 What's the max auxiliary context you can provide on the NEMA and the IEC contactors? 27:08 When should I purchase a motor starter, versus a variable frequency drive? 28:12 What makes NEMA contactors more expensive than IEC contactors? 30:32 In a group mounting configuration of panels, it's usually for IEC. Is that applicable for NEMA too? 31:26 Get the Contactor Selection Criteria Quick Guide For more information visit https://www.eaton.com/contactors.