Goals and Symptoms Use this troubleshooting guide if you experience nuisance tripping on TeSys GV and TeSys LRD Facts and Changes Nuisance tripping, LRD, GV2, GV3, GV7 Causes and Fixes Use this troubleshooting guide if you experience nuisance tripping on TeSys GV and TeSys LRD Attachments (Removed File URL: 191721_5CB2/R030_How_to_trouble_Shoot_a_Nuisance_tripping_on_GV_and_LRD.pdf)(Removed Image URL: /PubResEXPORT.nsf/2b87ee90be777fc085257c28006ee4ef/92d280a779478116c125757d00422c40/fl_bl...
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The overload relay with the bimetal technology (Thermal Overload) only can be used in DC application. Tesys LRD Range Tesys LRD thermal overload relays can be used in a DC application. Series up the connections through the contactor and overload. Tesys LR9 Range Do not use the Tesys LR9 Electronic overload relay because under phase failure condition there will be nuisance tripping.
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The replacement for LR2D3357 is a - LRD3357 LRD350 TeSys LRD thermal overload relays - 37...50 A - class 10A For further information see:https://www.schneider-electric.com.au/en/product-range-selector/1885-tesys-lrd/?p_url=http%3A%2F%2Fwww.ops-ecat.schneider-electric.com%2Fecat%2Fbrowse.do%3Fconf%3Dnull%26el_typ%3Dproduct%26range_id%3D1885%26prd_id%3DLRD3357%26scp_id%3DAU_en
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The part number for overload 37-50A for LC1D50U7 is LRD3357 LRD3357 TeSys LRD thermal overload relays - 37...50 A - class 10A For more information see: https://eshop.schneider-electric.com/product.aspx?prod_id=LRD3357&org=21&lang=1&dist=276&tab=10&ses_id
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The overload with 55-70A range for LC1D80 contactor is LRD3361. LRD3361 TeSys LRD thermal overload relays - 55...70 A - class 10A For further information see: https://www.schneider-electric.us/en/product-range-selector/1885-tesys-lrd/?p_url=http%3A%2F%2Fwww.ops-ecat.schneider-electric.com%2Fecat%2Fbrowse.do%3Fconf%3DUS%26el_typ%3Dproduct%26range_id%3D1885%26prd_id%3DLRD3361%26scp_id%3DUS_en
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